PR15B Dual Mono Precision Preamplifier USER MANUAL
Contents
1. SAN USER MANUAL ROKSAN AUDIO LIMITED 6 NORTHFIELD INDUSTRIAL ESTATE BERESFORD AVENUE ALPERTON MIDDLESEX HAO 1NW ENGLAND TEL 44 0 208 900 6801 44 0 208 900 6802 FAX 44 0 208 900 0734 www roksan co uk email info roksan co uk Platinum Preamplifier Congratulations on your purchase of the ROKSAN Platinum PRIS3B Preamplifier This preamplifier is designed and manufactured to the highest specification and rigorously tested to offer you unsurpassed performance for many years of trouble free pleasure Your Platinum preamplifier is at the heart of your hi fi system Correct installation set up and operation of this preamplifier and its partnering equipment will have a profound influence on the sonic performance of the entire system Please read the contents of this manual thoroughly It will help you to understand your hi fi equipment better and enhance your listening pleasure This manual is divided into the following sections Safety Instructions accompanying card Introduction Cautions Installation Setup Operation Troubleshooting Guarantee Specifications Notes UNPACKING Included in the packing of your Platinum preamplifier you will find e One mains lead fitted with the correct mains power plug for your country e One Platinum system remote handset and batteries x2 AAA size amp 2mm A F Allen Key e One information pack and warranty card After removing these items please retain all packing2. 12 Regulated Supply Rails 3dB lt 0 5Hz 110kHz 9 3dB Preamplifier lt 0 0015 1kHz lt 0 009 20kHz lt 0 015 30kHz 20 20kHz A weighted lt 95dB 1kHz A weighted lt 105dB 20 20kHz lt 90dB 100V 120V 50Hz 60Hz 220V 240V 50Hz 60Hz via Mains inlet filter lt 40 W 432 x 390 x 80 W x D x H mm 432 x 390 x 95 including feet 15 Kg Platinum Preamplifier Platinum Dual Mono Precision Preamplifier Purchase Date ROKSAN Retailer Please keep a record for future reference Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 11 ENGLISH www roksan co uk Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 12 ENGLISH
3. Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 8 ENGLISH Platinum 20 PREAMP REMOTE HANDSET Direct Access Buttons POWER Button puts the amplifier In and Out of Standby MUTE Button toggles between normal and lowered output level 20dB TAPE Button toggles between Tape In amp Out INPUT Buttons select the designated Input directly VOLUME Buttons adjust the output volume level Up 8 Down NOTE Mute function is particularly useful when you need the volume temporarily lowered for example when answering the phone When the preamplifier is set to Mute the MODE indicator on the front panel display will change to Amber See below DO AU Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 9 ENGLISH OUBLESHOOTIN Platinum Preamplifier If you suspect that your ROKSAN Platinum preamplifier is not operating properly you should check all the connections carefully Phono plugs and XLR connectors should be fully inserted a freguent cause of problems is that connectors do not make proper contact Below are some commonly encountered problems with suggestions for possible cure The list is not exhaustive If you have any unresolved problems please consult your appointed ROKSAN dealer or distributor SYMPTOM LIKELY CAU
4. front panel pulse twice The preamplifier then reverts to STANDBY and the MODE indicator light 3 will glow GREEN The amplifier is now ready for use Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 6 ENGLISH You can activate your Platinum preamplifier in two ways 1 Press the MODE button 2 once 2 Rotate the INPUT selector 1 in either direction NOTE The remote handset will activate the amplifier by pressing the Power button The preamplifier will wake up and the MODE indicator light 3 and the Volume indicator will glow RED It will automatically select the CD input and the CD input indicator light 4 will also glow USING THE CONTROLS MODE CONTROL The MODE button toggles the preamplifier in and out of Standby NOTE When you bring the preamplifier out of STANDBY having switched it ON at the Mains the input selector will default to CD as described previously When however the preamplifier has been put into Standby from the MODE or the remote Power button bringing it out of Standby will restore previously selected input tape and mute values Bringing the preamplifier out of Standby by moving the INPUT Selector one step in either direction also leaves these amplifier settings unaffected INPUT SELECTOR SWITCH The INPUT Selector is an endless rotary switch that moves round one clic
5. materials Correct packing is necessary for transportation of your preamplifier MAINTENANCE After disconnecting the preamplifier from the mains supply the cabinet and front panel may be cleaned with a lightly dampened soft cloth Avoid using abrasives or solvents EU DIRECTIVES This product is designed to comply with the legal provisions of EU Directives 89 3336 EC and 72 23 EC The standards which have been applied are those which were in force at the time of the introduction of this product This product bears the CE mark This product is compliant to EN 60065 This product must be earthed Please ensure that other equipment connected to it is earthed according to the manufacturer s instructions Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 2 ENGLISH Platinum Preamplifier AC MAINS SUPPLY Your Platinum preamplifier is set to operate from a fixed supply voltage which is marked on a label next to the mains input plug Before connecting the mains lead please check that your mains supply corresponds to this label as below 230V Products Voltage Range 220V 240V 115V Products Voltage Range 100V 120V 100V Products Voltage Range 90V 110V The mains lead supplied with this product has an IEC mains socket which plugs into the IEC connector on the unit s rear panel The other end is normally attached to
6. the TAPE Indicator light glows and the selected source Indicator remains illuminated The input selector remains functional when the Tape Monitor is ON allowing a range of sources to be recorded Pressing the TAPE Button toggles between Tape Monitor ON and OFF REMOTE HANDSET The Platinum System Remote Handset uses two AAA size 1 5V batteries These are housed in the battery compartment on bottom end of the handset Carefully remove the battery compartment cover using the 2mm Allen Key supplied by unscrewing the M3 Counter sunk Stainless Steel Screw as shown below Gently pull out the Battery Holder and insert the supplied batteries in place observing polarity Replace the cover The handset is now ready for use The front panel controls of the preamplifier are replicated on the remote handset Inputs are accessed directly except Tape Monitor Mute and Power were the buttons toggle between Tape In amp out Mute On amp Off and Preamp On amp Standby respectively NOTE In Multi Room or Installations where the front display is not seen remote Power On amp Standby can be achieved by programming two hidden codes that are already incorporated into the internal controller of the preamplifier These codes are as follows POWER ON 99 66 20 POWER OFF 99 66 21 Please note when using the preamplifier in such installations Mute and Tape Monitor functions should not be programmed in Roksan Audio Itd Platinum Preamplifier User
7. the appropriate mains plug for your country In the UK this is the standard UK13A plug This plug should ordinarily not be removed from the lead If you do remove it please dispose of it safely so that it cannot be plugged into a mains socket whilst in a potentially dangerous condition We suggest that you obtain from your dealer a complete replacement lead Should you move to another area where either the mains voltage or the mains plugs are different from those as supplied with your preamplifier please contact the appointed ROKSAN distributor for assistance Please observe correct mains polarity at all times The preamplifier mains fuses are located on the rear panel next to the IEC mains connector These must only be replaced by the fuse type and rating as described on the fuse rating label on the rear panel of the unit If the equipment is likely to be unused for some time unplug it from the mains supply GENERAL CAUTIONS FCC WARNING This equipment may generate or use Radio Frequency energy The user may lose the right to operate this equipment if unauthorised modifications are made INTERFERENCE Properly installed this unit should not cause harmful interference to radio communications There is however no guarantee that such interference will not occur in a specific installation If interference arises which you can determine by switching the unit off and on you could try to remedy this problem by the following e Re orient
8. NIINE E OR es valve li PL TEEL AS ne aaa SO O00 0 00O ee 7 1200 5 8 1A 2 5 6A 7 11A 12A 13 14 15 16 1 CD RCA Input Tape Input Record 1A CD Balanced XLR Input Tape Output Playback 2 CD input RCA MUTE XLR Switch Preamp RCA Output 1 3 Tuner Input Preamp Balanced XLR Output 1 4 Video Input Preamp RCA Output 2 5 Video Line 1 Input Bypass Switch Preamp Balanced XLR Output 2 6 Line 1 RCA Input AC Mains IEC Inlet GA Line 1 Balanced XLR Input Voltage 8 Fuse Label 7 Line 1 Input RCA MUTE XLR Switch AC Mains Fuseholder 8 Line 2 Input AC Mains Power Switch Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 4 ENGLISH Platinum Preamplifier CONNECTING MAINS POWER Please refer to rear panel view on Page 4 The moulded IEC connector of the supplied mains lead should be plugged into the socket 13 on the rear of the unit first and then plugged into the mains supply The Mains power switch 16 is on the rear panel of the preamplifier This switch is normally left on If the unit is likely to be unattended for a period of time Week end Holidays etc switch it off and for absolute safety unplug the mains lead from the wall Choose a non resonant rigid shelf structure to place your preamplifier on Platinum e g dedicated High quality equipment stand with adequate ventilation Ss The P
9. SE SUGGESTED REMEDY No power AC Mains lead not inserted properly Ensure AC Mains lead is fully inserted Unit not switched on at rear panel Switch unit on at rear panel IEC mains inlet fuses blown Replace with identical fuse type and rating and try again only once No output on one or both Amplifier in stand by mode MODE light Press MODE button to set amplifier in channels GREEN operational mode MODE light RED Missing or bad input signal connection Check all input connections Wrong input selected Select correct input ascertain source is working Input switch incorrectly set Check 8 set Input switch RCA or XLR Very low sound output Tape Monitor selected Deselect Tape Monitor Amplifier set in MUTE position Deselect MUTE check volume setting first No volume control on Video Bypass switch incorrectly set Check 8 set Bypass switch RCA or or Line 1 input XLR Hum from speakers Incorrect Grounding Check Mains polarity and grounding on all connected eguipment Poor choice of interconnect cables Change the interconnect cables GUARANTEE Platinum Preamplifier There are no user serviceable parts inside your Platinum preampiifier If a fault should develop refer any servicing to your appointed ROKSAN dealer distributor or approved service agent Your ROKSAN Platinum preamplifier is guaranteed against any defect in materials and workmanship for a period of two years from the date of purchase This guarantee only becomes effectiv
10. e if the warranty card is validated by the ROKSAN retailer from whom the equipment was purchased and returned to ROKSAN within 28 days of purchase This guarantee excludes 1 Damage caused due to accident missuse neglect and incorrect installation adjustment or repair 2 Liability for damage or loss during transit from the retailer or purchaser to ROKSAN or its authorised distributor for the purposes of repair or inspection Carriage costs to ROKSAN shall be borne by the consignor All claims under this guarantee must be made through an authorised ROKSAN retailer If equipment returned for repair to ROKSAN is found on inspection to comply with the product specification ROKSAN reserves the right to make a charge for examination and return carriage Unauthorised servicing will void this guarantee Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 10 ENGLISH SPECIFICATION Line Inputs Input Impedance Outputs Power Supply Frequency response Gain Harmonic Distortion Noise Noise UNWEIGHTED Hum amp Noise Power Source Power Consumption Dimension Weight Platinum Preamplifier 5 RCA plus Tape CD 8 LINE1 inputs switch able to XLR Balanced VIDEO amp LINE1 inputs selectable for By passed 47 KQ Tape Preamplifier x2 RCA amp x2 XLR Balanced 350VA Ultra Low Noise Shielded Toroidal Transformer
11. hen simply set the BYPASS switch to NORM In the figure shown the Video Input is set Bypass BYPASS Switch set to VIDEO And the Line 1 Input is used in Balanced mode INPUT Switch set to XLR Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 5 ENGLISH Your Platinum preamplifier has four sets of Pre Outs x2 RCA and x2 Balanced XLR KKK See below All four outputs are always active and can be utilised in multi amp configurations Phono Input Connections Your Platinum preamplifier has line level inputs and you cannot connect a phono cartridge directly to it ROKSAN Phono Amplifier range accept conventional moving coil and moving magnet cartridges and has custom equalisation for the outstanding ROKSAN Shiraz MC cartridge For a demonstration of ROKSAN state of the art record players and phono amplifiers contact your authorised retailer OPERATION Platinum Preamplifier Please refer to the front and rear panel views on page 4 SWITCHING ON The Mains power switch 16 is on the rear panel of the preamplifier This switch is normally left on If the unit is likely to be unattended for a period of time Week end Holidays etc switch it off and for absolute safety unplug the mains lead from the wall When switched ON from the rear panel your Platinum preamplifier runs a self test and the indicator lights on the
12. k at a time It connects each signal source to the amplifier by rotating through the Inputs with the exception of TAPE Rotating the Selector continuously clockwise will select inputs in this sequence CD TUNER VIDEO LINE1 LINE2 CD Rotating the Selector anti clockwise reverses the sequence Whenever an input is selected the appropriate indicator light will glow VOLUME CONTROL The VOLUME Control is a precision device It follows a logarithmic law so that its response approximates that of the human ear and provides more control range at lower levels There is an illuminated indicator on the volume control to clearly show the appropriate volume setting TAPE MONITOR When you select an input source the INPUT Selector connects the selected source to the preamplifier and also connects this source to the Tape Output Sockets of the Preamplifier thus enabling you to record Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 7 ENGLISH The Tape Monitor is an override Pressing the TAPE Button 10 connects the output of your tape deck to the Preamplifier overriding the selected input However the selected input is left connected to the recording input of your tape deck If you have a suitable tape deck this facility enables you to record a programme whilst monitoring its playback When the TAPE Button is depressed
13. latinum preamplifier utilises specially designed decoupling feet which reduce mechanical vibrations reaching the internals This feature enhances performance of the preamplifier See opposite SIGNAL CONNECTIONS Signal Input connections There are 5 Line Level Inputs on your Platinum preamplifier in addition to the Tape Monitor Input 6 All the inputs accept single ended RCA Phono Connectors and should be connected according to the standard convention Right Channel Red Left Channel CD amp Line 1 Inputs also accommodate Balanced XLR connectors These two inputs are provided with a selector switch at the back and can be set to single ended RCA or Balanced XLR or be Disconnected Mute ekk See below In addition either Video or Line 1 Inputs can be set as Bypass In this mode the selected Input will not go through the preamplifiers gain volume section instead the signal is connected directly to the Preamplifier outputs This is particularly useful when integrating your Audio Visual system with your main Hi Fi system In this mode the L amp R outs from your surround sound processor should be connected to either Video or Line 1 input of your Platinum preamplifier and the BYPASS switch is set to that input Now whenever that input is selecte d the signal will just pass straight through to the Pre Outs with volume controlled by the processor iki See opposite If you do not require such a combination t
14. or re locate the receiving antenna e Increase the distance between the preamplifier and receiver e Connect the unit to a different mains circuit from that of the receiver e Consult your ROKSAN appointed dealer or an experienced Radio TV technician for help and advice LOCATION Your Platinum preamplifier should be located in a well ventilated area and kept away from sources of heat dust humidity and direct sunlight The preamplifier may be positioned either as a free standing unit or alongside another audio video product Never place the preamplifier on carpet or any surface likely to hinder normal ventilation Never allow liquids or other objects to fall into the unit This unit contains no user serviceable parts Do Not remove any panels or attempt to service it yourself Unauthorised servicing will void the warranty Roksan Audio Itd Platinum Preamplifier User Manual CLASSIFICATION General Use Version 1 03 All specifications are liable to change without notice E amp OE Page 3 ENGLISH INSTALLATION Platinum Preamplifier ROKSAN Platinum Preamplifier Front Panel View 1 2 3 4 5 6 7 8 99 10 11 Input Selector Line 1 Input Indicator Mode Button Line 2 Input Indicator Mode Indicator Tape Monitor Input Indicator CD Input Indicator Tape Monitor Input Button Tuner Input Indicator Volume Control Video Input Indicator ROKSAN Platinum Preamplifier Rear Panel View 1 3 4 oO 8 9 10 11 12 4 E EEE E
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