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Audio Research PH9 Phono Stage / Preamplifier - Like New and Complete

Sale price£0.00
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Pickup currently unavailable at SkyFi 479

Audio Research Ph9 Phono Stage / Preamplifier - Like New And Complete

Audio Research PH9 Phono Stage / Preamplifier - Like New and Complete

SkyFi 479

Pickup currently unavailable

479 South Broad Street
Glen Rock NJ 07452
United States

+12018790000

This ARC Preamp will arrive at your home looking like it just left the factory.

Not a scratch or wear mark on it anywhere.

This is about the best phono preamp money can buy. All tube analog stages.

1 Year in-house warranty.

Our Testing Process for Preamplifiers (All) at SkyFi:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage. Special attention is paid to the power supply which is the most common source of failure for preamps. We then power up the unit and run a simple 1k sine wave while monitoring the low voltage output on an oscilloscope for signs of distortion or noise to get a baseline.

At this point we will lubricate and clean all switches and potentiometers (that are not sealed) with a high quality contact cleaner, and then re-test all functions for any signs of noise or scratching.

Final testing involves putting actual music through the preamplifier We have learned over time that some issues are only noticeable to a trained ear while listening to a familiar source material. Our test bench has reference vintage Kef speakers that we are super familiar with which will quickly reveal any discrepancies. Some preamps will then move into the listening room where they will be tested with our in-house reference system.

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.

Item

Included

Original Box

Yes

Manual

Yes

Remote

Yes

Cables

Yes - Power

Physical Condition

9

Working Condition

10

SKU: 101742