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- Page 1 Owner’s Reference ® PÊS AÊÊUÊÊDÊÊIÊÊO Owner’s Reference GCPH Phono Preamplifier Instructions for Use GCPH Phono Preamplifier 4826 Sterling Drive, Boulder, CO 80301 PH: 720.406.8946 support@psaudio.com www.psaudio.com 15-044-11-1 ©2005 PS Audio Inc. All rights reserved. Rev B...
- Page 2 This product is manufactured in the United States of America. PS Audio® is a registered trademark of PS Audio International Inc., and is restricted for use by PS Audio International, Inc., its subsidiaries, and authorized agents.
- Page 3 2 - 3 Questions and 4 - 5 Answers Troubleshooting 6 - 7 Warranty 8 - 9 4826 Sterling Drive, Boulder, CO 80301 Table of Contents PH: 720.406.8946 support@psaudio.com www.psaudio.com 15-044-11-1 ©2005 PS Audio Inc. All rights reserved. Rev B...
- Page 4 The GCPH is a high-end standalone phono preamplifier, designed for the highest quality phono reproduction possible. It is based on PS Audio’s unique Gain Cell Technology and over 30 years of designing state-of-the-art phono stages. PS Audio built its first phono stage in 1973 and has been responsible for some of the most loved vinyl amplification electronics the Audio world has ever known.
- Page 5 Accuracy Is Whatever method is employed, it is absolutely critical the curve be as exact as possible. Deviations of more than a tenth of a dB are unacceptable. The GCPH is flat to the RIAA standard by less than Critical 0.1dB.
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Page 6: Getting Started
GCPH Phono Preamplifier Location Once your new GCPH is unpacked, you’ll need to find a convenient place to set it. Keep the GCPH away from magnetic fields such as those produced by transformers, power amplifiers, etc. This is a very high gain preamplifiers and is sensitive to radiated noise. -
Page 7: Quick Start Guide
GCPH can help lower hum. Feed Either a Next, choose what the GCPH will feed. You can feed the output of the GCPH into a high level input on Preamp or a your preamplifier or integrated amplifier or you can feed its output directly into a power amplifier, using the GCPH front panel gain adjustment as a volume control. - Page 8 (it is NOT an attenuator but rather a gain adjustment of the Gain Cell). By optimizing both the input and output gain blocks for best noise and sonics, you can customize your GCPH for the best performance.
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Page 9: Questions And Answers
(turning it fully counterclockwise), is fine as this does not actually shut power off to the unit There is no harm in leaving the unit on at all times as the lifespan of the GCPH will be unaffected. Are There Any There is a replaceable internal fuse inside the GCPH. - Page 10 The GCPH is specific to your country’s voltage. Do not use the GCPH on a voltage higher than it is What Voltages rated for. For instance, do not take a 120 volt rated GCPH and attempt to use it in a 220 volt country. Can I Run GCHA Failure to observe this cautionary note will void your warranty.
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Page 11: Troubleshooting
GCPH and the front panel gain setting adjusts the output gain block (after the passive RIAA curve) of the GCPH. If the noise or hiss level of the GCPH is excessive, try raising the gain of the input gain block via the rear Too Much Hiss panel gain selectors. - Page 12 GCPH. Typically, turntables have a separate ground wire to be connected to the green binding post of the GCPH. If you are experiencing a higher level of hum than expected, try the system with and without the ground wire attached. It may be necessary to “cheat” the third wire AC ground of the GCPH with a 3 prong to 2 prong AC adapter in extreme circumstances.
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Page 13: Warranty
PS Audio. What is the Period of Coverage? This limited warranty is in effect for 3 years from the date the unit was first purchased from PS Audio or its dealers and agents. Who Pays for Shipping? You are responsible to pay for the safe and proper shipment of the warrantied product to PS Audio or its authorized repair center. - Page 14 3 year warranty period. To do this, you must contact PS Audio directly to set up transfer of registration. How Do I Get Warranty Service? To locate an authorized PS Audio repair center, for service assistance, or for help with the operation of a product or just for information, please contact PS Audio customer support.
- Page 15 Warranty Service Outside of the US PS Audio has authorized distribution in many countries of the world. In each country, the authorized importing distributor has accepted the responsibility for warranty of products sold by that distributor. Warranty service should be obtained where the product was purchased.