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Arcam C31
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1. MJ BALANCE DISPLAY ENTER etre T AU UN 9 O 9 9 9 Q p OOO Oooooooo oo ARCAM MUTE RECORD SELECT PHONO AUX CD TUNER AV DVD VCR TAPE REF TRIM PHONES POWER Switching the C31 on The power button switches the unit on and off alternatively the unit can be switched in and out of stand by mode by pressing the button on the remote control handset The power light next to the C31 Pre Amplifier text indicates the state of the amplifier 1 a red light means that the amplifier is in stand by mode 2 when you switch your amplifier on the power light glows amber for a few seconds during this time the outputs are muted 3 the light changes to green when the amplifier is ready for use The power light may flash if a fault has occurred the fault type is shown on the display See page 16 Troubleshooting for help in resolving fault situations If the fault cannot be cleared unplug your amplifier and contact your Arcam dealer Changing the volume Use the control knob in the centre of the display to change the volume Turn the knob clockwise to increase the volume anti clockwise to reduce it The output of the C31 can be muted by pressing MUTE Press MUTE for a second time or change the volume to release the muting It is important to realise that the volume indication on the display may not an accurate indication of the percentage of the amplifier power in use Your power amplifier Sel
2. Introduction The C31 allows you to customise various features of the amplifier to fit your system Use this diagram to help you navigate through the available configuration options In the diagram below the ENTER and SELECT buttons from the front panel are represented by the symbols Q and respectively The control knob is shown as O Adjusting listening settings Normally the display shows the current volume and the control knob is used to adjust this Power on state Press SELECT once to enter the configuration menu then press it repeatedly to cycle through the menu items When you have found the setting that you wish to adjust the setting is shown on the display it can be adjusted by using the control knob Press ENTER to store the change you have made and anes rente return to default volume mode or press SELECT again to move to the next Humeric setting EN Note that the menu will time out after a short period of inactivity with the display reverting to the current volume Balance The following items are available for adjustment Volume Resolution There are three volume display options to chose from Standard Fine or Reference Standard and Fine represent different levels of volume control sensitivity the Reference setting gives absolute increments in O 5dB steps Volume resolution Standard Input Trims Input trims are used to compensate for variations in Reference ue Der RUES
3. output levels of different source equipment If for example your CD player is louder at a given volume display value than other inputs you can attenuate it by using this setting so that it matches your other components Input Trimz Use the source select buttons to select the input you wish to adjust then Phono f the control knob to set increase or decrease the input volume for that Source Oa 8 source EX Max On Volume This can be used to limit the maximum volume the amplifier operates at when it is first switched on the C31 comes on at RSE ROTI the reduced Max On Volume level if the last used volume exceeds eee ma this value If this item is set to Disabled the C31 always comes on at the last used volume even if this is very loud Processor Mode Processor mode enables you to fix the gain volume setting of your C31 The C31 in combination with a power amp can Pire mode Tape then be used to drive the front left and right speakers of a surround Fixed la sound system when fed from a separate processor The volume of the EN entire system can then be controlled using the processor Feed the sound from the processor into the TAPE input then set the gain of the C31 to match the amplifiers that drive your other loudspeakers Reset this restores all amplifier settings to their factory defaults C31 P35 P1 E 8 Using the remote control CR 389 Remote Control The CR 389 remote control g
4. particularly if a tuner or satellite unplug your amplifier and contact your Arcam dealer receiver is connected If it occurs frequently or predictably please SP1 and SP2 P35 only gt contact your dealer for advice These buttons allow you to select and deselect the main SP1 and secondary SP2 sets of speakers attached to your amplifier An indicator light shows which set of speakers are currently selected Note that if both lights are out then the amplifier will appear not to work as all speakers are switched off C31 P35 P1 E 14 Technical specifications C31 Continuous power output 20Hz 20kHz at 0 5 THD per channel Both channels 82 20Hz 20kHz Single channel 80 20Hz 20kHz Both channels 42 20Hz 20kHz Single channel 40 at 1kHz Three channels 80 20Hz 20kHz Harmonic distortion 80 power 8Q at 1kHz Inputs Phono cartridge Input sensitivity Input impedance Signal noise ratio CCIR Overload margin Line and tape inputs Nominal sensitivity Input impedance Signal noise ratio CCIR Power amplifier input Nominal sensitivity Input impedance Gain Preamplifier output Nominal output level Maximum output level Output impedance Headphone output Maximum output level into 6002 Output impedance General Mains voltage Power consumption maximum Power consumption standby Dimensions W x D x H including feet Weight net Weight packed Supplied accessories E a
5. adhere to all warnings in the handbook or on the product itself 2 Water and moisture The presence of electricity near water can be dangerous Do not use these appliances near water next to a bathtub washbowl kitchen sink in a wet basement or near a swimming pool etc 3 Object or liquid entry Take care that objects do not fall and liquids are not spilled into the enclosure of a unit through any openings Liquid filled objects such as vases should not be placed on these products 4 Ventilation Do not place these units on a bed sofa rug or similar soft surface or in an enclosed bookcase or cabinet since ventilation may be impeded We recommend a minimum distance of 50mm 2 inches around the sides and top of the each unit to provide adequate ventilation 5 Heat Locate these products away from naked flames or heat producing equipment such as radiators stoves or other appliances including other amplifiers that produce heat 6 Climate These products have been designed for use in moderate climates 7 Racks and stands Only use a rack or stand that is recommended for use with audio equipment If the equipment is on a portable rack it should be moved with great care to avoid overturning the combination 8 Cleaning Unplug a unit from the mains power supply before cleaning The cases should normally only require a wipe with a soft damp lint free cloth Do not use paint thinners or other chemical solve
6. is intended for general use Connect the audio outputs of same characteristics and each may be used with any unit with a line level output tape deck tuner etc to this input any line level product D PHONO if fitted As standard no phono input is fitted to the C31 Phono inputs are provided on a separate plug in module which your Arcam dealer or distributor can supply and fit This module is compatible with most high output moving coil and moving magnet cartridges MM and low output moving coil cartridges MC Once the module is fitted MM or MC is selected via the MM MC back panel switch Why is this useful The phono module or an external phono amplifier is required if you wish to connect a record player to the C31 This is because the low voltage output of a record player requires a pre amplification stage before the signal can be used If you have already an external phono amplifier that you wish to use connect this to one of the line level inputs such as the AV input C31 P35 P1 E 4 Recording loops The C31 is equipped with two recording loops for use with recording devices such as cassette decks MiniDisc players VCR s etc TAPE PROC RECORD OUT Connect these output sockets to the input sockets of your recording device usually labelled RECORD or IN Q TAPE PROC PLAY IN Connect the output sockets of your recording device usually labelled PLAY or OUT to these inputs If you do not have a record
7. responsibility for damage or loss occurring during transit to or from the person claiming under the guarantee The warranty covers parts and labour costs for two years from the purchase date five years upon registration After this time you must pay for both parts and labour costs The warranty does not cover transportation costs at any time Claims under guarantee This equipment should be packed in the original packing and returned to the dealer from whom it was purchased or failing this directly to the Arcam distributor in the country of residence It should be sent carriage prepaid by a reputable carrier not by post No responsibility can be accepted for the unit whilst in transit to the dealer or distributor and customers are therefore advised to insure the unit against loss or damage whilst in transit For further details contact Arcam at Arcam Customer Support Department Pembroke Avenue Waterbeach CAMBRIDGE CB5 9QR England Problems Always contact your dealer in the first instance If your dealer is unable to answer any query regarding this or any other Arcam product please contact Arcam Customer Support at the above address and we will do our best to help you On line registration You can register your Arcam product on line at www arcam co uk C31 P35 P1 E 17 ARCAM PEMBROKE AVENUE WATERBEACH CAMBRIDGE CB5 9QR ENGLAND www arcam co uk Issue 1 SH163
8. the temperature of the internal heatsink rises above a safe level then a thermal cut out inside the amplifier will operate During this time the power indicator on the front panel flashes and the protection system temporarily removes the power to the speakers The system will reset itself as the heatsink cools down With two pairs of low impedance speakers connected 6 or less overloads are more likely Overloading the amplifier may cause it to shut down because of overheating Note that due to the high output voltage from a CD player it is possible to drive your amplifier at full power even though the volume is not set at maximum See page 6 Amplifier does not switch back on All the amplifiers detailed in this handbook have a protection mechanism which is activated if you switch the unit on immediately after turning it off If this mechanism activates wait 30 seconds then try again to switch the unit on Guarantee Worldwide Guarantee This entitles you to have the unit repaired free of charge during the first two years after purchase at any authorised Arcam distributor provided that it was originally purchased from an authorised Arcam dealer or distributor This period can be extended to five years if the completed registration card is returned to Arcam Arcam can take no responsibility for defects arising from accident misuse abuse wear and tear neglect or through unauthorised adjustment and or repair neither can they accept
9. work Power Stand by Toggles the C31 between stand by mode and full power mode The power indicator light on the front panel is red if the C31 is in stand by amber while it is powering up this takes only a few seconds and green when the C31 is operational SP1 and SP2 These buttons are for use with the P35 amplifier to allow you to select and deselect the main SP1 and secondary SP2 sets of speakers attached to it see page 14 for further information DISP display Cycles through the settings Off Dimmed and Bright Turning the display Off may give a slight improvement in sound quality Volume and amp mute Press to increase volume or to decrease the output volume of the amplifier Press to mute the pre amp outputs of the C31 Note that both recording outputs will remain active Mute is disabled by either pressing amp again or adjusting the volume CD controls These offer basic control of Arcam CD players If you wish to use the same remote control for both your C31 and your DT91 tuner please use the CR 389D remote control shipped with the tuner instead of the remote control described here C31 P35 P1 E 9 Installation P35 and P1 power amplifiers R CH1 L CH2 4 16 OHMS VOLTAGE CLASSES LAS LA DO QE R hv dU BD NYI POWER INLET R CH1 L CH2 P35 Power Amplifier rear pan
10. ARCAM M Pre Amplifier C31 Power Amplifier P35 Power Amplifier P1 Safety guidelines CAUTION ATTENTION SHOCK DO NOT OPEN NE PAS OUVRIR CAUTION To reduce the risk of electric shock do not remove cover or back No user serviceable parts inside Refer servicing to qualified service personnel WARNING To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product CAUTION In Canada and the USA to prevent electric shock match the wide blade of the plug to the wide slot in the socket and insert the plug fully into the socket Important safety instructions These products are designed and manufactured to meet strict quality and safety standards However you should be aware of the following installation and operation precautions 1 Take heed of warnings and instructions You should read all the safety and operating instructions before operating these products Retain this handbook for future reference and
11. book is printed in the U K on recycled paper and is itself fully recyclable and biodegradeable The paper used is from the Revive range of papers manufactured in the U K by Robert Horne In Revive 75 of the paper is de inked post consumer waste with the remaining 25 being mill broke and virgin fibre The recycled pulps used in the production of this paper are a combination of Totally Chlorine Free TCF giving zero AOX and Elemental Chlorine Free ECF giving a resultant AOX level of less than 0 5Kg per 1000Kg of pulp C31 P35 P1 E 3 Installation C31 pre amplifier PHONO CE r POWER INLET 115 230V re 3 recto RU RECORD Q x Dunk DRM E NC EE 1 2 3 4 op r O GO UD D US HW AE 16 Positioning the unit Place your amplifier on a level firm surface Avoid placing the unit in direct sunlight or near sources of heat or damp Ensure adequate ventilation Do not place the unit in an enclosed space such as a bookcase or cabinet as both of these will impede air flow through the unit Connecting to other equipment The connections on the rear of the C31 fall into four groups 1 dedicated audio inputs 2 recording loops 3 connections for power amplifiers 4 remote control and trigger connections These groups are described below General advice on connecting to other equipment We recommend the use of high quality interconnect cables to and from your amplifier to
12. e 16 13 CD select 16 7 Volume up 16 16 AUX select 16 8 Volume down 16 17 The following tables give commands accepted by the P35 Power commands Speaker control commands Command Decimal Code Command Decimal Code Power toggle 16 12 Speaker 1 toggle 16 35 Power on 16 123 Speaker 2 toggle 16 39 Power off 16 124 Speaker 1 on 16 43 Speaker 1 off 16 44 Speaker 2 on 16 45 Speaker 2 off 16 46 The following table gives commands accepted by the P1 Power commands Command Decimal Code Power toggle 16 12 Power on 16 123 Power off 16 124 Note that the C31 also responds to code 20 53 the PLAY command for an Arcam CD player The C31 swiches automatically to CD input on receiving this command C31 P35 P1 E 16 Troubleshooting If you are having trouble with your amplifier check the following items No sound Check the following Both the pre and power amplifiers are switched on The pre amp is not muted indicated on the C31 by Muted being shown on the front panel The selected source is generating audio e g if CD is selected then the CD is playing The tape input is not selected on the C31 indicated by the light above the TAPE button being illuminated instead of the expected source In this case press TAPE again to de select the tape input The speaker outputs are enabled on the P35 as indicated by the lights above the SP1 and or SP2 buttons as appropriate being illuminated Sound cuts out unexpectedly If
13. ecting an audio source may deliver its full power long before the volume control reaches A source selection button is used to select the source that is connected to the its maximum position particularly input corresponding to the button A light above the relevant button indicates which when listening to loud inputs input is selected and this information will also be shown on the display such as CD s In contrast lower level inputs such as tuners and TAPE cassette decks will sound quieter To listen to the device connected to the tape input press the TAPE button for the same shown volume level To compensate for this to make Note that two source lights will be illuminated when the TAPE button is pressed the i all inputs the same loudness for ene pd icd isl an es ub bed as is being s to a given value on the display the e tape outputs for recording purposes To change this recording source please input levels of each source may see below be adjusted This is done using To de select the tape input press the TAPE button for a second time the product configuration menu described on page 8 C31 P35 P1 E 6 Product configuration Recording an audio source The C31 allows listening to and recording from the same source or listening to one source whilst recording another The signal to be recorded is sent to both the TAPE and VCR output sockets Selecting the source for recording The recording output
14. el SPEAKERS CE AR KAS REMOTE ei e IN gt BALANCED AUDIO UT vOUTAGE e e wv o POWER INLET OUT IN 4 16 OHMS P1 Power Amplifier rear panel Positioning your power amplifier Place your amplifier on a firm level surface Avoid placing the unit in direct sunlight or near sources of heat or damp Ensure adequate ventilation Do not place the your amplifier in an enclosed space such as a bookcase or cabinet as both of these will impede air flow through the unit which is necessary for cooling In most situations there are two choices for getting signals from the P35 to the speakers the P35 can be situated remotely from the speakers and longer speaker cables used or the P35 can be situated locally to the speakers by using longer line level cables from the pre amplifier Over long distances 5m the sound quality will generally be better using the low current line level pre amplifier cabling than high current speaker post amplifer cabling due to otherwise high losses in the speaker cabling Connecting to other equipment The P35 and P1 amplifiers provide the following connections AUDIO IN P35 AUDIO IN and BALANCED AUDIO IN P1 Connect the output sockets of your pre amp or the PRE OUT sockets of an integrated amplifier to one of these inputs Please read the information on page 5 Power amplifier connections which details the type of connection that should be used Mono L
15. ensure the best sound quality cheap bell wire interconnects may seem to be a good alternative but they will reduce the overall quality of your system and are a false economy Make sure that audio and power cables are kept as far apart from each other as possible This reduces the risk of noise from the power cables bleeding into those for audio Cables should be kept as short as is practical For each of the audio inputs outputs that you wish to use connect the terminal labelled L or LEFT on the device to be connected to the terminal labelled L for that input output on the C31 Similarly the terminal labelled R or RIGHT on the device should be connected to the R terminal on the C31 Conventionally stereo phono leads have plugs that are coloured red for the right channel and white or black for the left channel to aid channel identification Audio inputs D DVD This input is intended for use with a DVD player Connect the stereo audio outputs of your DVD player to these sockets D Av This input is intended for use with general audio visual equipment such as a VCR digital TV satellite receiver or Nicam tuner Connect the analogue audio outputs of the With the exception device to this input of the PHONO input B TUNER Intended for use with a radio tuner although these inputs are labelled for specific Q CD Intended for use with a CD player devices all have the B AUX As with the AV input this
16. es than the direct output but you cannot damage either your C31 or your power amp by using the wrong connection type Other connections Phono earth terminal For connecting your turntable earth lead if required Note that this terminal must not be used as a safety earth room installations TRIG OUT and REMOTE IN 12V in and out These connections are intended for use in multi j The 12V trigger uses TRIG OUT This output provides a 12V signal whenever the unit is switched on i e not off or in stand by This signal can be used to switch on power amplifiers or other equipment connected to the C31 as they will come on when the C31 is activated This is useful if the power amplifier is remote from the C31 or otherwise difficult to access REMOTE IN This allows remote control signals to be received by the C31 if the remote sensor is covered or otherwise not visible to the remote control An external sensor such as the Xantech Dinky Link is used to receive the signals from the remote control which are then fed to the C31 into this input using a suitable cable In normal use there is no need to make any connections to either of these sockets Connecting to a power supply Mains lead The appliance is normally supplied with a moulded mains plug already fitted to the lead Check that the plug fits your supply and that your mains supply voltage agrees with the voltage setting 115V or 230V indicated
17. f the unit before plugging in If your mains supply voltage or mains plug is different please consult your Arcam dealer immediately Plugging in Push the IEC plug of the power cable into the socket POWER INLET on the back of the unit making sure it is pushed in firmly Stand by power For remote stand by operation the amplifier s control power supply is kept powered up all the time the unit is connected to the mains supply The front panel power switch powers down all other circuitry and power consumption in this mode is less than 2W This means that even though the power switch is off it may be possible to hear a slight residual hum coming from the mains transformer inside the amplifier This is perfectly normal If the unit is to be left unused for an extended period however we recommend that it is disconnected from the mains supply A P35 connected to speakers using bi amping C31 P35 P1 E 13 Using your power amplifier P35 POWER AMPLIFIER 9 P35 Power Amplifier Front panel P1 POWER AMPLIFIER P1 Power Amplifier Front panel POWER button Switches the unit on and off The light indicates the status of the amplifier When you switch your amplifier on the light glows amber for a few seconds during which time the speakers are disconnected The light changes to green when the amplifier is ready for use A red light means the amplifier is in stand by mode The power light may flash if a fault has occ
18. ing device you can use this input for other line level equipment such as a CD player tuner VCR etc VCR TAPE2 RECORD OUT These output sockets can be connected to the input sockets of a second recording device D VCR TAPE2 PLAY IN Connect the output sockets of your second recording device to these inputs Alternatively this input may be used for other line level equipment such as a CD player tuner etc Power amplifier connections O Q Q PRE OUT The recommended connection between the C31 pre amplifier and your power amplifier depends on both the distance between the two and the type of power amplifier that you are using There are three options 1 Ifthe cables to be used to connect the C31 to the power amplifier are less than 3m long we recommend connecting the DIRECT sockets 9 to the input sockets of your power amplifier On the P35 and P1 connect to the socket s labelled AUDIO IN If the cables to be used to connect the C31 to the power amplifier are 3m or longer then the connection to use depends on the type of power amplifier you have 2 If your power amplifier does not have balanced inputs such as the P35 use the BUFFERED outputs 9 On the P35 connect to the sockets labelled AUDIO IN 3 If your power amplifier provides balanced inputs such as the P1 use the balanced outputs On the P1 connect to the sockets labelled BALANCED AUDIO IN The buffered and balanced outputs are designed to drive longer cabl
19. ing headphones fitted with a 6 5mm stereo jack plug The pre amp outputs are muted when headphones are The headphone socket B accepts headphones with an impedance rating between 8Q and 2kQ Did you know the plugged in original 6 5mm or The headphone socket is always active unless the volume has been muted 1 4 head phone jack dates from 1878 for use in manual telephone exchanges making The C31 has a configuration menu that allows various performance and behaviour aspects to be it possibly the oldest altered This menu is described in detail on the next page Buttons have been provided on the electrical connector front panel to allow direct access to the most important configuration menu items standard on earth BALANCE gives direct access to the Balance menu item Source en wikipedia org Q DISPLAY this changes the display brightness There are three brightness levels to chose from on dimmed and off If the C31 is switched off while the display is set to off the display will be set to dimmed when the C31 is switched on again Q REF this toggles the volume display mode between Standard Fine and Reference these are described on the next page When the Reference volume display is selected the light above the Ref button is illuminated TRIM gives direct access to the Trim menu item C31 P35 P1 E 7 Configuring your C31 pre amplifier
20. ink P35 The P35 can be adapted to provide two mono loudspeaker outputs from a single input Pull out AUDIO the link supplied on the back panel labelled link and use it to connect the L and R AUDIO OUT sockets together Using one power amplifier per loudspeaker will enable you to bi amplify bi wireable loudspeakers as described on the following page at Follow the instructions given below for bi wiring using the SP2 connections of the P35 for the high IN OUT frequency speaker and the SP1 connections for the low frequencies See also the section on Remote switching The mono link fitted Input Selector Switch P1 This switch allows either unbalanced signals through the phono connector or balanced signals through the XLR connector to be selected The switch should be pressed in to select the phono inputs and out to select the XLR connector Note that only one type of input connector will be switched to the input of the amplifier if you select for example the XLR connector then you will not be able to hear signals connected to the phono inputs C31 P35 P1 E 10 Amplifier Gain Switch P1 This switch is to allow the gain of the P1 amplifier to be changed to suit your system requirements With the switch in the gain is set to standard ARCAM gain of 31 5dB This is the normal setting which allows the P1 to be used in systems where there are other ARCAM power amplifiers excluding the Arcam P7 With the swi
21. ives access to all functions available on the front panel of the C31 It also has controls to operate Arcam CD players and tuners TUNER These buttons are used to control Arcam tuner functions Note that the FM DAB lights indicate into which mode you are switching the remote control The lights only illuminate for five seconds to conserve battery power If neither light is illuminated this does not mean that the remote control is not working V UP and DOWN These buttons are used in the configuration menu and have the same effect as turning the control knob Pressing A is the same as turning the control knob clockwise V is the same as turning the knob anticlockwise ENTER Performs the same function as the ENTER button on the front panel see page 8 SEL Select Performs same function as the SELECT button on the front panel It allows you to use the remote s volume switch in the same way you use the control dial on the front panel to adjust various amplifier settings see page 8 Pressing corresponds to turning the control knob clockwise to anticlockwise Source selection buttons These operate in the same way as the source selectors on the front panel of your C31 NOTE Remember to install the two AAA batteries supplied before trying to use your remote control Do not place anything in front of the FMJ badge on the top left of the C31 where the IR receiver is located or the remote control may not
22. minals on the back Both amps are quite happy with single wiring however we recommend that you use the lower sets of speaker terminals labelled SP1 on the P35 in this case Similarly if your speaker has more than one pair of connecting terminals use E the terminals labelled LF or Low Frequency on the speaker Arcam P38 For the P35 connect the positive terminal of the right speaker connection on the amplifier coloured red and labelled R to the positive terminal of your right speaker Similarly connect the negative terminal of the amplifier coloured black and labelled with R to the negative terminal of your speaker Repeat the process for the left speaker using the amplifier terminals labelled L A P35 connected to speakers using single wiring For the P1 connect the positive speaker terminal coloured red and labelled to the positive terminal of the speaker to be driven Similarly connect the negative terminal of the amplifier coloured black and labelled to the negative terminal of the same speaker Repeat the process for your other P1 and speaker If your speakers support bi wiring then there is a strip of metal on the speakers connecting the low frequency terminals to those for the higher frequencies this must not be removed in a single wired system Bi wiring Bi wiring is performed in the same way as single pou wiring except that for each speaker a pair of cables are u
23. mp OE 2 7mV MM 270uV MC 47kQ MM 3009 MC 79dB MM 73dB MC 35dB 250mV 2V 22kQ 113dB 700mV 8V RMS lt 50Q 5V 4 7Q 115V or 230V 30VA 2VA 430 x 370 x 110mm 9 3kg 11 5kg mains lead CR 389 remote control 2 x AAA batteries NOTE All specification values are typical unless otherwise stated P35 100W 150W 140W 200W 90W 0 005 800mV 22kQ 110dB 800mV 22kQ 31 50 115V or 230V 800VA 950VA for P35 3 2VA 430 x 350 x 110mm 9 5kg 10 5kg for P35 3 12 5kg 13 5kg for P35 3 mains lead P1 170W 250W 0 003 906mV Arcam gain 22kQ 31 5dB Arcam gain 115V or 230V 800VA 2VA 430 x 350 x 110mm 12 5kg 15 5kg mains lead Continual improvement policy Arcam has a policy of continual improvement for its products This means that designs and specifications are subject to change without notice C31 P35 P1 E 15 Remote control codes The following tables give the IR commands accepted by the C31 Power commands Menu navigation commands Command Decimal Code Command Decimal Code Power toggle MO UP 16 32 Power on 16 123 DOWN 16 33 Power off 16 124 SELECT 16 37 ENTER 16 87 Source selection commands Command Decimal Code Display control commands PHONO select 16 1 Command Decimal Code AV select 16 2 Display 16 59 TUNER select 16 3 DVD select 16 4 Volume control commands TAPE select 16 5 Command Decimal Code VCR select 16 6 Mut
24. n sense precautions but for your own safety and to ensure that you do not damage the unit we recommend that you read them Contents Safety GuidelinGS emanate DRM de E 2 Important saietviimsbEUCEIODS 2 nn E 2 Safety compliance sess cese E E 2 USING this handbook e a Eo SA wit ocu M Mc E 3 Installation 3 199 3 NL po onec E 4 Positioning thelunit e e e ee ecce TE E 4 Connecting to other equipment E 4 Connecting to a power supply one E 5 Switeming ther ES RON een s bet E 6 Changing thevolume ss tonio does E 6 Selecting an audio SOURCE recycle eens secre E 6 sing your CS Mpre ample E 6 Recording an audio SOUTCe erc Tene E 7 Listening using headphones oes n ES E Product connguration e eenma eee a a a E 7 Configuring your es Tt pre amplifier aes E 8 TNA ROULICLIOQE ER ETE E E 8 Adj sting listening Settings esre ti Eee mesas E 8 Usingithe remote Control m r a es t E 9 Installation P35 and P1 power amplifiers E 10 Positioning your power amplifier E 10 Connecting to other equipment E 10 REMOLE SWIKCIMING Se ce Eus Connecting loudspeakers ie eremo Eee E 12 Connecting to a power Supply esee E 13 Using your power AMP 2 E 14 Technical specifications ee cedo eI Du RU E 15 Remote controll codes a Se seston anaes E 16 TEOUDIeSITOODIE Gros T E 17 G arantee reaa E EE UC Ten E 17 On line registration mecen a a ee ES E 17 Environmental matters This hand
25. nts for cleaning We do not advise the use of furniture cleaning sprays or polishes as they can cause indelible white marks if the unit is subsequently wiped with a damp cloth 9 Power sources Only connect an unit to a power supply of the type described in the operating instructions or as marked on the product itself The primary method of isolating these products from the mains supply is to remove the mains lead from the rear of the unit These products must be installed in manner that makes this disconnection possible These are Class 1 devices and must be earthed 10 Power cord protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them Pay particular attention to cords and plugs and the point where they exit from the unit 11 Grounding Ensure that the grounding means of these products is not defeated 12 Power lines Locate any outdoor antenna aerial away from power lines 13 Non use periods When using the stand by function a small amount of current will continue to flow into the unit Unplug the power cord of a unit from the outlet if it is to be left unused for a long period of time 14 Abnormal smell If an abnormal smell or smoke is detected from a unit turn the power off immediately and unplug the unit from the wall outlet Contact your dealer for further advice 15 Servicing You should not attempt to service these pr
26. oducts beyond that described in this handbook All other servicing should be referred to qualified service personnel 16 Damage requiring service These products should be serviced by qualified service personnel when A the power supply cord or the plug has been damaged or B objects have fallen or liquid has spilled into the appliance or C the appliance has been exposed to rain or D the appliance does not appear to operate normally or exhibits a marked change in performance or E the appliance has been dropped or the enclosure damaged Safety compliance These products have been designed to meet the IEC 60065 international electrical safety standard Using this handbook Thank you for buying this quality Arcam product This handbook covers the following items C31 pre amplifier P35 power amplifier P1 power amplifier This handbook is intended to give you all the information you need to install and use these products The C31 is described first followed by the P35 and the P1 Use of the CR 389 remote control supplied with the C31 is also described If your amplifiers have been installed and set up by an authorised Arcam dealer you may wish to go directly to the sections on how to use this equipment Otherwise we recommend reading carefully the installation instructions for your products before proceeding Safety Safety guidelines are set out on page 2 of this handbook Many of these items are commo
27. on the rear panel of the unit before plugging in If your mains supply voltage or mains plug is different please consult your Arcam dealer immediately Plugging in Push the IEC plug of the power cable into the socket POWER INLET in the back of the unit making sure it is pushed in firmly Stand by power a 3 5mm mono jack plug wired as follows Sleeve Ground Tip Active When the C31 is powered on the tip carries 12V current limited to 30mA other wise the tip carries OV The remote in also uses a 3 5mm mono jack plug wired as above Remote control signals must be in modulated RC5 format with a voltage level of 5 15V Note that the remote receiver will require its own power supply Details of the Xantech Dinky Link can be found at www xantech com or ask your dealer For remote stand by operation the amplifier s control power supply is kept powered up all the time the unit is connected to the mains supply The front panel power switch powers all other circuitry down and power consumption in this mode is less than 2W This means that even though the power switch is off it may be possible to hear a slight residual hum coming from the mains transformer inside the amplifier This is perfectly normal If the unit is to be left unused for an extended period however we recommend that it is disconnected from the mains supply C31 P35 P1 E 5 Using your C31 pre amplifier C31 PRE AMPLIFIER
28. s can be configured in two ways 1 to allow recording of the source being listened to 2 to allow recording of a particular specified source regardless of what is being listened to To record the source being listened to press the RECORD button repeatedly until the display shows Record source After a few seconds the display reverts to showing the volume level and you are ready to record In this configuration selecting a different input changes the source that is routed to the recording outputs To record one source whilst listening to another press RECORD again until the display shows Record followed by the name of an input e g Aux CD Tuner etc Now press the source selector button on the front panel for the source you wish to record Your selection is shown on the display for a few seconds after which the display reverts to showing the volume level You are now ready to record Pressing a different source selection button changes the source that you are listening to but does not alter the source that is routed to the recording outputs Tape to tape copying dubbing You can perform tape dubbing from VCR to TAPE but not from TAPE to VCR For example to copy from a cassette recorder connected to the VCR socket to a cassette recorder connected to the TAPE socket first use the RECORD button as explained above and select Record VCR This routes the VCR signal to the TAPE output Listening us
29. sed to connect the amplifier to each speaker Follow the instructions given for single wiring then perform the same actions this time connecting the second set of speaker terminals labelled SP2 on the P35 to the speaker terminals labelled HF or High Frequency Please refer to the illustration Speakers that support bi wiring have a strip of metal on the speakers connecting the low frequency terminals to those for the higher frequencies this must be removed in a bi wired system A P35 connected to speakers using bi wiring C31 P35 P1 E 12 Bi amping Bi amping requires the use of a two amplifiers per Arcam C31 channel either two P35 s or four P1 s in a stereo system One P35 or two P1 s is are used to drive the high frequency treble speakers the other is used for the lower bass frequencies For the P35 s connect one P35 to the speakers as described for single wiring with the exception that the P35 should be connected to the speaker Arcam P38 terminals labelled HF or High Frequency Then in the same way connect the second P35 to the low frequency terminals Please refer to the illustration For the P1 s four P1 amplifiers are required for bi amping two speakers Two of the P1 s are used to drive high frequency treble and two are used for the lower bass frequencies Decide which amplifier is to drive which speaker element then connect the amplifier to the speaker following the ins
30. tch out the gain is set to THX standard gain Use this setting if your P1 is to be used in systems containing amplifiers with THX gain for example the Arcam P7 Daisy chaining Both the P35 and the P1 can be connected to further power amplifiers to drive more speakers e g those in other rooms tri amplified speakers etc This technique is called Daisy chaining Connect the AUDIO OUT sockets on the P35 P1 to the pre amp input of the next amplifier in series left to left right to right Remote switching By making a connection from the TRIG OUT socket of the C31 pre amp to the REMOTE IN socket of your P35 P1 you can use the C31 to switch the power amplifier on and off If configured in this way the front panel POWER button of the C31 or the POWER button on the remote control switches both amplifiers on and off together This facility allows you to position your power amplifier in a remote location such as close to the speaker it is amplifying yet still control it The connecting cable to use is a 3 bmm jack lead wired as given on page 5 It is possible to connect several power amplifiers to a C31 by daisy chaining from the TRIG OUT of one power amplifier into the REMOTE IN of the next C31 P35 P1 E 11 Connecting loudspeakers Wiring strategies There are three different wiring strategies that can be employed to connect your amplifier to your speakers The choice will be limited by what your speakers can s
31. tructions given for single wiring Note that the strip of metal on the speakers connecting the lower terminals to the upper terminals must be removed Failure to do so will result in damage to both amplifiers which will not normally be covered under warranty Notes on making speaker connections Do not make any connections to any amplifier while it is switched on We recommend that your amplifier is completely disconnected from the mains supply before starting Before switching your amplifier s on for the first time after connecting to speakers please check all connections thoroughly Ensure that bare wires or cables are not touching each other or the amplifier s chassis which could cause short circuits and that you have connected positive to positive and negative to negative Be sure to check the wiring for both the amplifier and the speaker After making connections switch the amplifier s on select a source signal then gradually increase the volume to the required listening level If you are unsure as to how your system should be connected or need advice on bi wiring or bi amping please contact your Arcam dealer who will be happy to help you Connecting to a power supply Mains lead Your amplifier is normally supplied with a moulded mains plug already fitted to the lead Check that the plug fits your supply and that your mains supply voltage agrees with the voltage setting 115V or 230V indicated on the rear panel o
32. upport Single wiring Single wiring is the conventional wiring method of running a single cable per channel between the amplifier and the speaker This is the easiest technique Bi wiring Bi wiring is running two separate cables between the amplifier and each speaker with one cable carrying the low frequency information the other the higher frequency signals The P35 and P1 are designed to allow easy bi wiring but speakers support it only if separate connection terminals are provided for the two cables the speaker will have two pairs of terminals on the back one pair labelled HF or High Frequency the other pair labelled LF or Low Frequency Why is this useful Bi wiring improves the sound of your system because the separation of high and low frequency signal currents into separate speaker cables avoids distortions caused by the different currents interacting with one another within a single cable as occurs in single wired systems Bi amping Bi amping is the separation of the amplification of low and high frequency signals over two amplifiers You will require two amplifiers to do this Why is this useful The performance of your system is enhanced over bi wiring by extending the signal separation principle to use separate amplification for the low and high frequency drivers in each speaker Single wiring Both the P35 and the P1 are designed for bi wiring which ART CS is why there are duplicate speaker ter
33. urred with the colour of the flashing light indicating the nature of the fault green a D C offset fault has occured see info box Q amber a thermal fault has occured the amplifier is too hot Ensure that your a Le offset fault is not an amplifier fault but a speaker amplifier has adequate ventillation protection mechanism If the red a short circuit fault has occured This can happen if the speaker cables amplifier is supplied with a DC are not connected correctly and are making contact with each other or with the voltage rather than the expected chassis AC voltage for an extended length of time the coils in the attached red and amber more than one fault has occured i speakers will eventually burn out Except for a thermal fault if one of the above faults is detected by your amplifier or in extreme cases catch fire the unit waits for six seconds before checking to see if the fault has cleared If Your Arcam amplifier can detect this the fault clears within six seconds the unit continues operation otherwise the condition and cut the current to the unit shuts itself down In the case of a thermal fault the unit waits until its sensor speakers temperature lowers before resuming operation DC offset faults can occur If the amplifier has shut itself down you should unplug the amplifier and leave it intermittently in all set ups for a few minutes before reconnecting If the fault cannot be cleared in this way
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