User Manual
Contents
1. as a preamplifier connect these sockets to the input sockets POWER AMP IN or PWR AMP IN of your power amplifier If your power amplifier is an Arcam P75 P85 or Alpha series you can use it in conjunction with the power amplifiers in your integrated amplifier to bi amplify suitable loudspeakers See the section Bi wiring and bi amping loudspeakers for details TAPE RECORD OUT QO Connect these output sockets to the input sockets of your cassette deck usually labelled RECORD TAPE PLAY IN Connect these input sockets to the output sockets of your cassette deck usually labelled PLAY If you do not have a cassette deck you can use this input for other line level equipment such as a CD player tuner VCR etc but not a turntable record deck AV DVD VCR TUNER cp AV audio visual DVD digital versatile disc Connect these input sockets to the audio output sockets of the above named equipment PHONO Connect these input sockets to the leads from your turntable record deck The phono stage is suitable for moving magnet MM or high output moving coil MC cartridges If you are using a low output MC cartridge ask your dealer about a suitable external MC preamplifier Connecting to other equipment PHONO LINE switch A75 only If you don t have a record deck and therefore don t want to use the PHONO input socket press this button in with the tip of a pencil or a ball point pen to convert the PHO2. more speakers e g those in other rooms or tri amplified speakers etc Connect the extra power amplifier inputs to the MONO LINK outputs QO left to left right to right with suitable high quality phono to phono cables Connecting to a power supply Connect up following the instructions for installing the A65 and A75 integrated amplifers page 4 CIM MODULE The CIM custom install module is an optional module that enables you to adjust the gain of the left and right channels of the power amplifier independently and also to switch the power amplifier on off remotely with a 12 volt trigger The CIM module would normally be used in a multi room set up When a CIM module is fitted into a power amplifier the front panel power switch is disabled See your Arcam dealer for further information POWER fb Switches the amplifier on and off Power indicator This initially glows orange After a few seconds the colour changes to green and a slight click may be heard as the output muting relay disengages When the indicator glows orange the speakers are disconnected and an internal protection circuit is working If the indicator glows orange during normal use it may be due to an amplifier output overload Switch the amplifier off and wait for 2 3 minutes before switching on again If the indicator continues to glow orange switch the unit off remove all the speaker cables and switch on again If the
3. HANDBOOK Arcam A65 A 5 and P75 amplifiers Amplificateurs Arcam A65 A 5 et P 5 Arcam Verst rker A65 A 5 und P75 5 SEC AV PROCESSOR A65 A75 P7 vi Safety guidelines A65 A75 P75 2 Safety instructions This product is 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 this appliance Retain this handbook for future reference and adhere to all warnings in the handbook or on the appliance 2 Water and moisture The presence of electricity near water can be dangerous Do not use the appliance near water for example 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 through any openings Liquid filled objects such as vases should not be placed on the equipment 4 Ventilation Do not place the equipment 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 appliance to provide adequate ventilation 5 Heat Locate the appliance away from naked flames or heat producing equipment such as radiators stove
4. NO input to a LINE input for equipment such as a CD player tuner VCR etc Press and release the button to use as PHONO input again Ground terminal Connect the earth lead if fitted from your turntable or pick up arm to this A65 A75 P75 5 Using the amplifiers A65 A75 P75 6 Listen selector Selects the input you wish to listen to The selected input signal is also sent to the TAPE RECORD OUT sockets to allow the signal to be recorded assuming you have a tape deck connected It is also sent to the PRE AMP OUT sockets O TAPE Push this switch in to listen to playback from a cassette deck connected to the amplifier s TAPE PLAY IN sockets It also enables you to monitor the recording being made on a 3 head cassette deck Note If the tape switch is in you will be unable to listen to a source selected by the LISTEN SELECTOR VOLUME Adjusts the volume level of the loudspeakers headphone and pre amplifier out sockets The volume control is motorised and can be controlled remotely with the use of a suitable remote control handset such as the CR 389 supplied see the section Using the remote control for details DIRECT Push this switch in to bypass the bass treble and balance controls This switches these controls out of the circuit minimising the signal path and will generally give a small improvement in sound quality BASS Rotate clockwise to bo
5. d by your dealer and capable of being used for bi wiring in one length How to bi wire loudspeakers 1 Remove the terminal links on the rear of your loudspeakers WARNING This step is essential or damage to your amplifier may result which is not covered under warranty 2 Connect the cables as shown in the diagram below ensuring correct polarity at all times Arcam A65 or A75 amplifier Bi wiring using one set of connections on amplifier Bi wiring and bi amping loudspeakers Bi amping your system The performance of your system can be further enhanced over that achieved with bi wiring by extending the principle one stage further to include separate amplification for the low and high frequency drive units in each loudspeaker enclosure Connect the amplifier to the high frequency HF terminals and connect the power amplifier to the low frequency LF terminals You will need Speakers with four input terminals each as with bi wiring these will be marked HF High Frequency and LF Low Frequency Two amplifiers one of these would be the A65 or A75 and the other an Arcam power amplifier e g P75 Loudspeaker cables one pair of cables per loudspeaker or a suitably terminated cable set a loom probably prepared by your dealer and capable of being used for bi amping in one length Interconnect cables one pair of high quality interconnect cables How to set u
6. ed if you need to do so The use of high quality interconnect cables to and from other hi fi equipment is recommended to ensure the best sound quality sonic performance Ask your Arcam dealer s advice on cable selection AV PROCESSOR TAPE switch A75 only If you are using the amplifier with an external processor such as a Dolby Pro Logic or Dolby Digital decoder you should select the AV processor Connect the left and right audio output sockets of your processor to the corresponding AV DVD input Press and hold the TAPE MONITOR switch for five or more seconds the amplifier switches to a fixed gain This allows the volume control of your processor to act as a master control and adjust the sound level of the speakers attached to both the A75 and the processor simultaneously If you then switch back to another input for example CD the volume control is switched back in circuit again and the amplifier functions as normal You may hear a slight click when you switch to another input This is normal WARNING If the AV PROCESSOR TAPE switch is set to AV PROCESSOR and the LED is illuminated do not use the AV DVD socket for any equipment except a processor with its own volume control Otherwise this could result in a signal being sent to your loudspeakers at high levels which may damage the loudspeakers PRE AMP OUT You will only need to use these sockets if you have a separate power amplifier To use your amplifier
7. he Contents list on this page to guide you to the relevant sections Models covered This handbook covers two integrated amplifiers A65 A75 and one power amplifier P75 These amplifiers have many features in common Both the A65 and A75 have remote controlled input selection and a motorised volume control which can be operated by the CR 389 remote control handset supplied Safety Safety guidelines are set out on the inside front cover of this handbook Many of these items are common sense precautions but for your own safety and to ensure that you do not damage the unit we strongly recommend that you read them Contents Safety guidelines Safety instructions Safety compliance Using this handbook Models covered Safety Installation A65 and A75 Positioning the unit Connecting to loudspeakers Connecting to a power supply Connecting to other equipment Using the amplifiers Recording onto tape Using a remote control Using the remote control CR 389 remote control Installation P75 Loudspeaker connection Connecting to other equipment Connecting to a power supply Using the power amplifier Bi wiring and bi amping loudspeakers Before you start Bi wiring your loudspeakers Bi amping your system Technical specifications Guarantee On line registration OOOO CO WOO OO NN DAD oO ARAARA WBWW NNN Dane 6 A65 A75 P75 3 A65 A75 P75 4 Installation A65 and A 5 Positioning the unit Place your amp
8. indicator goes green on switching on there is a problem with the speakers or speaker cables Check the speakers and speaker cables for short circuits before reconnecting them If the indicator continues to glow orange with no speakers connected contact your Arcam dealer Before you start WARNING Do not make any connections to your amplifier while it is switched on or connected to the mains supply Before switching on please check all connections thoroughly making sure bare wires or cables are not touching the amplifier in the wrong places which could cause short circuits and you have connected positive to positive and negative to negative Always ensure that the volume control on your amplifier is set to minimum before starting these procedures Bi wiring your loudspeakers Bi wiring improves the sound of your system because it divides the high and low frequency signal currents into separate speaker cables This avoids signal distortions arising from the high and low frequency currents interacting with one another within a single cable as in conventionally wired systems You will need Speakers with four input terminals each these will be marked HF High Frequency and LF Low Frequency Loudspeaker cables two pairs of cables per loudspeaker which may be joined at the amplifier end if your amplifier has only one pair of output terminals per channel Or a suitably terminated cable set a loom probably prepare
9. lack negative terminals on the amplifier Ensure that no stray strands of inner wires are allowed to touch another cable or the amplifier s casing This can cause a short circuit and damage your amplifier Two pairs of speakers may be connected at the same time provided each pair is rated between 8 and 160 If one or both pairs have an impedance of less than 8Q the combined load on the amplifier falls below 4Q and could cause an overload If so the overload protection circuit engages and the amplifier will not work Arcam A65 or A75 amplifier Ellen BE men Left speaker Right F speaker Wiring your loudspeakers SP1 DIRECT terminals Are switched off when a headphone jack plug is inserted in the headphone socket 24 on the front of the amplifier or by pressing the MUTE button on the remote control handset SP2 SWITCHED terminals Are switched off when a headphone jack plug is inserted in the headphone socket 24 on the front of the amplifier or by pressing the MUTE button on the remote control handset If you want to connect speakers for occasional use perhaps in another room connect them to these terminals They can be turned off easily by releasing the front panel switch GB Volume control settings It is important to realise that the position of the volume control is not an accurate indication of the power delivered to your loudspeakers The amplifier will often deliver its full p
10. lifier 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 ventilation slots Connecting to loudspeakers Your amplifier is fitted with loudspeaker terminals to BFA British Federation of Audio standard specification lt BFA loudspeaker terminals The terminal will accept spade terminals bare wires or a BFA plug BFA plugs are available from your Arcam dealer To connect a bare wire or spade terminal unscrew the red or black part of the loudspeaker terminal first Insert the wire or spade terminal and screw it back up CAUTION Do not over tighten the loudspeaker terminals or use a wrench pliers etc as this could cause damage to the terminals which will not be covered under warranty Connect the right hand speaker to the terminals on the back of your amplifier marked R and the left speaker to the terminals marked L Connect your loudspeakers so that the red positive terminal on each loudspeaker is connected to the red positive terminal on the amplifier Your loudspeaker cables may be marked to show polarity negative and positive if not then the positive terminal can usually be identified by a ridge or coloured marking Now connect your loudspeakers black negative terminals to the b
11. ost the bass response and anti clockwise to cut the bass response For a flat response leave in the central click position TREBLE amp Rotate clockwise to boost the treble response and anti clockwise to cut the treble response For a flat response leave in the central click position The range of the tone controls has been deliberately limited to approximately plus or minus 6dB decibels at the frequency extremes This is usually sufficient to correct small deficiencies in recordings or speakers BALANCE amp Rotate clockwise or anti clockwise to move the position of the stereo image This may be necessary if it is not possible to sit centrally between the speakers In normal use leave in the central click position SP2 amp Push the button in to select the loudspeakers connected to the SP2 speaker terminals To disconnect the speakers release the switch again HEADPHONE socket amp Accepts headphones rated between 8Q and 2kQ fitted with a 6 3mm stereo jack plug If your headphones are fitted with a different plug contact your dealer for a suitable adaptor Inserting a headphone jack plug automatically mutes i e cuts off the loudspeakers but does not mute the PRE AMP OUT sockets O POWER amp Switches the amplifier on and off Power indicator When the amplifier is switched on this will initially glow orange After a few seconds it will glow green and a
12. ower long before the volume control reaches its maximum position particularly when listening to heavily recorded compact discs However the amplifier also has to be capable of giving full power output from much lower level sources such as tuners and cassette decks Using these sources the volume control setting may be much higher before distortion audible overload sets in Connecting to a power supply Wrong plug Check that the plug supplied with the unit fits your supply and that your mains supply voltage agrees with the voltage setting 120V or 230V indicated on the rear panel of the unit If your mains supply voltage or mains plug is different consult your Arcam dealer or Arcam Customer Support on 44 0 1223 203203 Mains lead The appliance is normally supplied with a moulded mains plug already fitted to the lead If for any reason the plug needs to be removed it must be disposed of immediately and securely as it is a potential shock hazard when inserted into the mains socket Should you require a new mains lead contact your Arcam dealer Plugging in Push the plug IEC line socket of the power cable supplied with the unit into the socket in the back of the unit Make sure it is pushed in firmly Put the plug on the other end of the cable into your power supply socket and switch the socket on All of the input sockets except PHONO have the same sensitivity and may be used with equipment other than that labell
13. p a bi amped system 1 Remove the terminal links on the rear of your loudspeakers WARNING This step is essential or damage to your amplifier may result which is not covered under warranty 2 Connect the cables as shown in the diagram below ensuring correct polarity at all times 3 Use the interconnect cables to connect the AUDIO PRE OUT sockets of the A65 or A75 to the corresponding PWR AMP IN sockets of the power amplifier Arcam A65 or A75 amplifier N 2 I Right S O HFO Left speaker speaker z SO R Arcam P75 power amplifier Recommended bi amping configuration A65 A75 P75 9 Technical specifications A65 A75 P75 10 Output power 20Hz 20kHz 8Q continuous 8Q 1 channel IKHz 4Q 1 channel 1KHz Harmonic Distortion Rated output into 8Q at 1kHz Peak current rating L R Crosstalk Input sensitivity for rated power output Frequency response 0 25dB Inputs Line inputs Noise CCIR ref rated power Input impedance AV DVD Processor Mode Input impedance Input sensitivity Power Amplifier Input impedance Phono input Noise CCIR ref rated power Input sensitivity Input impedance Overload margin Outputs Pre amplifier output Nominal output level Maximum output level Output impedance Tape output Output impedance Headphones Maximum output level into 6000 Output impedance Mains voltage Power consumption max Phy
14. ppliance from the outlet if left unused for a long period of time 14 Abnormal smell If an abnormal smell or smoke is detected from the appliance turn the power off immediately and unplug the unit from the wall outlet Contact your dealer immediately 15 Servicing You should not attempt to service the appliance beyond that described in this handbook All other servicing should be referred to qualified service personnel 16 Damage requiring service The appliance 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 This product has been designed to meet the EN60065 international electrical safety standard Using this handbook This handbook has been designed to give you all the information you need to install connect set up and use the Arcam A65 A75 and P75 amplifiers The remote control handset supplied with the equipment is also described It may be that your amplifier has been set up as part of your system installation by a qualified Arcam dealer In this case you may wish to skip the sections of this handbook dealing with installation and setting up the unit Use t
15. s or other appliances including other amplifiers that produce heat 6 Climate The appliance has been designed for use in moderate climates 7 Racks and stands Only use arack 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 the unit from the mains supply before cleaning The case should normally only require a wipe with a soft damp lint free cloth Do not use paint thinners or other chemical solvents 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 the appliance to a power supply of the type described in the operating instructions or as marked on the appliance 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 paying particular attention to cords and plugs and the point where they exit from the appliance 11 Grounding Ensure that the grounding means of the appliance is not defeated 12 Power lines Locate any outdoor antenna aerial away from power lines 13 Non use periods If the unit has a standby function a small amount of current will continue to flow into the equipment in this mode Unplug the power cord of the a
16. sical Dimensions Wx DxH Weight net Weight packed Supplied accessories E amp OE Continual improvement policy A65 40W 50W 80W 0 01 15A 68dB 250mV 20Hz 20kHz 100dB 12kQ N A N A N A 75dB 1 9mV 47kQ 30dB 510mV 8v lt 3Q lt 3Q 40mW 809 230V 10 115V 10 370VA 430 x 330 x 85mm 5 4kg 6 9kg Mains lead CR 389 remote 2 x AAA batteries Arcam has a policy of continual improvement for its products This means that designs and specifications are subject to change without notice A75 50W 60W 90W 0 01 15A 68dB 260mV 20Hz 20kHz 100dB 12kQ 12kQ 540mV N A 76dB 2 0mV 47kQ 30dB 540mV 8V lt 32 lt 32 40mW 802 230V 10 115V 10 400VA 430 x 330 x 85mm 5 6kg 7 1kg Mains lead CR 389 remote 2 x AAA batteries P75 50W 60W 90W 0 005 15A 90dB 540mV 20Hz 20kHz 110dB 100kQ N A N A 100kQ N A N A N A N A N A N A N A N A 40mW 802 230V 10 115V 10 400VA 430 x 330 x 85mm 5 6kg 7 1kg Mains lead NOTE All specification values are typical unless otherwise stated
17. slight click may be heard as the output muting relay disengages When the indicator glows orange the speakers are disconnected and an internal protection circuit is working If the indicator glows orange during normal use it may be due to an amplifier output overload Switch the amplifier off and wait for 2 to 3 minutes before switching on again If the indicator continues to glow orange switch the unit off remove all the speaker cables and switch on again If the indicator then goes to green when switched on this indicates a problem with the speakers or speaker cables Check the speakers and speaker cables for short circuits before reconnecting them If the indicator continues to glow orange with no speakers connected contact your Arcam dealer Note that the power indicator glows orange when the amplifier is muted from the remote control Remote control receiver Make sure nothing is standing in front of the remote control receiver otherwise messages from the remote control handset cannot be received and it will appear not to work Recording onto tape To record from another piece of hi fi equipment an input source e g CD to a tape deck connected to the amplifier first select the CD input with the input selector Set your tape deck into its record mode Press PLAY on your CD player The CD signal will now be recorded onto your cassette deck If your cassette deck is a 3 head type it is possible to monitor
18. t the PWR AMP IN sockets to the PRE AMP OUT sockets on those amplifiers MONO LINK Q The P75 can be adapted to provide two mono loudspeaker outputs from a single input Pull out the U link 8 supplied and use it to connect the MONO LINK sockets together Using the power amplifier A65 A75 P75 8 SP1 DIRECT terminals Are switched off when a headphone jack plug is inserted in the headphone socket 10 on the front of the amplifier or by pressing the MUTE button sf on the remote control handset sp2 Push the button in to select the loudspeakers connected to the SP2 4 speaker terminals To disconnect the speakers release the switch again HEADPHONE socket Accepts headphones rated between 8Q and 2kQ fitted with a 6 3mm stereo jack plug If your headphones are fitted with a different plug contact your dealer for a suitable adaptor Inserting a headphone jack plug automatically mutes i e cuts off the loudspeakers Utilising one P75 power amplifier per loudspeaker will enable you to bi amplify bi wireable loudspeakers This is particularly beneficial for top quality stereo installations with a separate pre amplifier or for the left centre and right channel loudspeakers in a five speaker Dolby Pro Logic or Dolby Digital system Contact your Arcam dealer for more detailed information DAISY CHAIN The P75 is capable of driving further P75 amplifiers or any other power amplifier to drive
19. the actual recording on the tape To do this push the TAPE button in Switching this button in out enables you to do an A B comparison between the source signal and the recorded signal Using a remote control The A65 and A75 offer remote control of the input selection volume control and mute via the CR 389 remote handset supplied It may also be possible to operate these functions with other remote control handsets that use the Philips RC 5 protocol If the amplifiers are muted via remote control the power indicator glows orange To cancel the mute function press MUTE again or either of the volume up down buttons on the remote control handset If you mislay the handset after muting the amplifier turn it off with the POWER switch 25 for 20 seconds then switch it back on again to allow the internal mute system to reset Using the remote control CR 389 Remote Control The CR 389 remote control gives access to all functions available on the front panel It also has controls to operate Arcam CD players AM FM and DAB tuners Tuner controls These offer basic control of Arcam tuners Input selection buttons o O8 Not used with A65 A75 OO OO O0 O O OOO The Power Standby button does not operate with the A65 and A75 amplifiers Not used with A65 A75 These control features of other amplifiers in the Arcam range Volume and Mute 4 These operate in
20. the same way as the input selector on the front panel of your integrated amplifier NOTE Remember to install the two supplied AAA batteries before trying to use your remote control Do not place anything in front of the IR receiver on the left of the A65 or A75 or the remote control may not work OC 99 oo OO 06 OM Press to increase volume or to decrease the output volume on the amplifier Press amp to mute the speaker connections and preamp outputs Both tape outputs and the headphone socket remain active Mute is disabled either by pressing 4 again or by adjusting the volume CD controls These offer basic controls of Arcam CD players A65 A75 P75 7 Installation P75 power amplifier The P75 power amplifier can be used in conjunction with the A65 and A75 integrated amplifiers or other Arcam amplifiers to bi amplify loudspeakers that have two pairs of input connections i e are bi wireable The P75 can also be used with a pre amplifier such as the Arcam 9C or an AV processor or amplifier with PRE AMP OUT sockets Loudspeaker connections Connect up following the instructions for installing the A65 and A75 integrated amplifiers see page 4 Connecting to other equipment PWR AMP IN Connect these sockets to your preamplifier output sockets Alternatively if you are using an integrated amplifier as your pre amp such as the A65 A75 or Alpha series amplifiers connec
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