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Phonostages — Audio Research PH9

Description, images, technical data and specifications

Audio Research PH9
Image source — © Audio Research

The PH9 is a phono stage from Audio Research, built with a wide bandwidth and substantial gain. The PH9 brings Audio Research's considered engineering to dedicated phono preamplification.

Key specs that matter

One single-ended input is provided. MC current-sensing input impedance is 47,000 ohms. Output impedance is 200 ohms. Gain is a substantial 58dB. Frequency response spans a wide 0.3Hz to 80,000Hz within plus-or-minus 3dB. Total harmonic distortion plus noise is under 0.015%. At 480 x 137 x 348mm and 7kg, the PH9 maintains a manageable phono-stage chassis reflecting Audio Research's considered American engineering standards.

Sound and use context

Expect a clean, dependable phono-stage performance reflecting the wide 0.3Hz-80kHz bandwidth combined with the substantial 58dB gain.

Pairing

Audio Research's own amplifier catalogue offers natural, brand-coherent pairings within the same broader catalogue.

Alternatives

Audio Research's own Reference Phono 10 offers a considerably more accomplished flagship-tier alternative within the same broader phono-stage catalogue.

Specifications

  • Model name

    PH9

  • Inputs (balanced)

    N/A

  • Inputs (single-ended)

    1

  • MC current-sensing input impedance (Ω)

    47 000

  • MM/MC voltage input impedance (Ω)

    N/A

  • Output impedance (Ω)

    200

  • Gain (dB)

    58

  • Playback EQ curves accuracy (dB)

    N/A

  • Frequency response low +/- 3dB (Hz)

    0.3

  • Frequency response high +/- 3dB (Hz)

    80 000

  • Total Harmonic Distortion + Noise (%)

    <0.015%

  • Dimensions (mm)

    480 × 137 × 348

  • Weight (kg)

    7

  • Official link

    https://audioresearch.com/new_website/audio-research-ph9-phono-stage/

Audio Research Reference Phono 3SE

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