Audio Research PH9 Phono Preamplifier

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**Price in USD** Phono Preamplifier 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 s imple and clear signal path to provide the most transparent pre-amplification 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. Show more