Audio Research REFERENCE PHONO 10 User Manual Download Page 1 | Manualshive

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User Guide

H I G H

D E F I N I T I O N

®

REFERENCE

PHONO 10

Phono Preamplifier

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Summary of Contents for REFERENCE PHONO 10

Page 1: ...User Guide H I G H D E F I N I T I O N REFERENCE PHONO 10 Phono Preamplifier ...

Page 2: ...n of Vacuum Tubes 7 In Your System 8 Connections 9 Operation Power Up Procedure 10 Front Panel Controls 11 Remote Control Only Controls 12 Interactive Touch Screen Operation 13 15 Troubleshooting 15 Maintenance Servicing 16 Cleaning 16 Disposal and Recycling Guidelines 16 Limited Warranty 17 Specifications 18 ...

Page 3: ...ence Phono 10 has been designed to provide you many years of playback Please take a few minutes to read through this guide to help you better understand and optimize your new preamplifier If you have any questions regarding the operational functions contact your dealer or distributor for assistance Sit back and enjoy your new preamplifier and the enhancements it will bring to your system The Refer...

Page 4: ... MOISTURE UNIT MUST BE OPERATED IN A HORIZONTAL POSITION DO NOT OPERATE WITH COVERS REMOVED UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION SERIAL FROM POWER SUPPLY CABLE A FROM POWER SUPPLY CABLE B RIGHT RIGHT INPUT 1 INPUT 2 LEFT LEFT TURNTABLE GROUND SINGLE ENDED BALANCED SINGLE ENDED BALANCED LEFT OUTPUT RIGHT OUTPUT RS232 Audio Chassis ...

Page 5: ...T OPERATE WITH COVERS REMOVED UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION VOLTS SERIAL TO AUDIO CHASSIS CABLE A TO AUDIO CHASSIS CABLE B 235W MAX 50 60 HZ 6A FUSE SLO BLO T4A 230V CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE FUSE ONLY WITH SAME TYPE AND RATING Remote HOURS INPUT 1 INPUT 2 RIAA DSP DN POWER HI GAIN REFERENCE PHONO DSP UP ...

Page 6: ...o 10 chassis to provide absolute protection from electrical shock For continued protection against fire hazard replace the fuse only with the same type and rating as specified at the fuse holder The appliance coupler at the rear of this unit must be accessible for emergency power disconnect A note about packaging Save all packaging in a dry place away from fire hazard Your Reference Phono 10 pream...

Page 7: ...fter removing the top cover and the vacuum tubes packed in protective foam see the accompanying illustrated sheet fig 1 2 for instructions on installing the tubes for your Reference 10 in their proper locations in the power supply and audio chassis Note that the numbers written on each tube correspond to a V number printed on the circuit board next to each tube socket Insert each tube firmly caref...

Page 8: ... on top of a power amplifier not only could this cause overheating but hum may be introduced into the preamp from the proximity of the amplifier s power transformer Do not stack components or other objects directly on top of the Reference Phono 10 Do not place or operate your preamp on a soft or irregular surface such as a rug This will prevent proper ventilation Do not operate your preamp without...

Page 9: ...t connectors for connecting to line inputs Direct Aux Phono Tuner etc of your linestage preamplifier All input output connectors are gold plated and connect ground before hot On disconnect hot is disconnected first Note A passive line stage is not recommended for use with the Reference Phono 10 as it may not provide the gain necessary to amplify the output of the Reference Phono 10 to adequate lev...

Page 10: ...ch either remote or front panel The screen will initially display Now Loading for a few seconds after which it will display the Audio Research logo followed by Reference Phono 10 fig 3 4 The main display screen will then appear on the screen and MUTE will be flashing Once MUTE becomes solid depress the front panel MUTE button right button or touch the word MUTE on the screen to initiate normal ope...

Page 11: ...fore switching inputs changing connections or shutting down your audio system to help protect your components and speakers from unexpected signal pulses When deactivated Mute disappears from the display window allowing normal operation The Reference Phono 10 also has automatic muting to help protect system components during A C power interruptions or low line voltage When sensing these conditions ...

Page 12: ...reases display intensity offering 6 levels of brightness and display off In display off mode the display will illuminate for 10 seconds when any button except Power on off is selected allowing for control function navigation Equalization Curves RIAA COLUMBIA DECCA Select between different equalization curves for playback RIAA equaliztion introduced in 1954 is the standard with which most records h...

Page 13: ...election To change inputs touch the currently displayed input name on the screen The input bar will appear listing both input options Touch the desired input to change fig 5 Equalization Load Gain To change any of these functions touch the word you wish to affect and it will toggle between the different options for each category fig 6 Mute Operate Toggle mute on and off by touching the screen wher...

Page 14: ...back to the settings menu Tube Hours The Hours Meter displays the total number of hours the Reference Phono 10 has been running This is useful to gauge tube life and prepare for eventual replacement The hours meter may be reset after the tubes have been changed by touching the Reset button located in the bottom right of the screen About Touching the About button displays a screen with the current ...

Page 15: ...d the display will remain on for 8 seconds and then shut off To return illumination to the screen simply touch it or press a button on the remote When adjusting the brightness the words Display Intensity will reflect the overall setting seleted The display intensity can also be adjusted from the remote using the DSP UP and DSP DN buttons Troubleshooting It is possible for a static discharge to tem...

Page 16: ...lly wipe the front panel and top cover with a soft damp not wet cloth to remove dust A mild non alkaline soap solution may be used to remove fingerprints or similar smudges Cleaners containing abrasives should not be used as they will damage the anodized finish of the front panel A small soft paintbrush is effective in removing dust from bevels the recessed nameplate and other features of the fron...

Page 17: ...United States the authorized importing retailer or distributor has accepted the responsibility for warranty of Audio Research products sold by them The specific terms and remedies for fulfillment of the Limited Warranty may vary from country to country Warranty service should normally be obtained from the importing retailer or distributor from whom the product was purchased In the unlikely event t...

Page 18: ... 40V SE Power Supplies Electronically regulated low and high voltage supplies Automatic 40 sec warm up brown out mute Line regulation better than 01 Noise 0 22uV equivalent input noise IHF weighted shorted Low Gain input 73 dB below 1mV 1kHz input 0 055uV equivalent input noise High Gain 65dB below 0 1mV 1kHz input Tube Complement 8 6H30P dual triodes plus 2 each 6550C and 6H30P in power supply Po...

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