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Audio Research PH9 Phono Stage
Audio Research PH9 Phono Stage - Image 2
Audio Research PH9 Phono Stage - Image 3

Audio Research PH9 Phono Stage

$24,000.00 inc. GST

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Description

Vacuum tube phono stage

The PH9 phono preamplifier is a great pairing with most cartridge and turntable combinations. A trio of 6H30 vacuum tubes are at the core of a simple and clear signal path to provide the most transparent preamplification possible. Five different impedance settings allow for cartridge loading, which can be changed on the fly with the included metal remote. Cartridge impedance, tube hours, auto shutdown, and other features are included in the menu system.

Exceptional clarity

The PH9 phono preamplifier is a great pairing with most cartridge and turntable combinations. A trio of 6H30 vacuum tubes are at the core of a simple and clear signal path to provide the most transparent preamplification possible. Five different impedance settings allow for cartridge loading, which can be changed on the fly with the included metal remote. Cartridge impedance, tube hours, auto shutdown, and other features are included in the menu system.

The Foundation series

Audio Research is pleased to introduce the Foundation Series. From the same engineering and design team responsible for the award-winning Reference Series, the Foundation family of vacuum tube components has been created to provide incredible musical experiences. Spatial definition, dynamics and detail abound while providing the most natural musical experience.

Specifications

Frequency Response: ±.2 dB of RIAA, 5 Hz to 20kHz; 1 dB points below 0.3Hz and above 80 kHz

Distortion: Less than .015% at 3V RMS 1kHz output

Gain: 58 dB at 1 kHz

Input Impedance selectable loads: 47k, 1000, 500, 200, 100 Ohms

Output Impedance: 200 ohms. Recommended load 50k-100k Ohms and 100 pF. (10k Ohms minimum and 2000 pF maximum).

Output Polarity: Non-inverting

Maximum Input: 80 mV RMS at 1kHz

Rated Outputs: 0.5V RMS 10 Hz to 60 kHz, into 100K ohm load (maximum balanced output capability is 0.46V RMS at less than 0.5% THD at 1kHz)

Controls: 6 Push Buttons: Power, Menu, Option, Enter, Input, Mute

Power Supplies: Electronically regulated low and high voltage supplies. Automatic 2 minute warm-up/brown-out mute. Line regulation better than .01%

Noise: 77 dB, shorted inputs

Tube Complement: (3)-6H30P dual triodes, plus (1 each) 6550WE and 6H30P in power supply

Power Requirements: 100-125VAC 60Hz (200-250VAC 50/60Hz) 120 watts maximum. Standby: 2 watts

Dimensions (W x H x D): 48cm x 13.7cm x 34.8cm
Handles extend 4 cm forward of the front panel
Weight: 7 kg Net; 10.7 kg Shipping

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