Reference Phono 3 vs PH7
The PH7's signal-to-noise is 76 dB against the Reference Phono 3's 71 dB, its thd 0.005% against 0.002%, its mc gain 57.5 dB against 67 dB, and its mm gain 57.5 dB against 45 dB.
Both turn up in the same documented systems.
AI-generated product photo — not official manufacturer imagery.
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About the Reference Phono 3
The Audio Research Reference Phono 3 is a flagship hybrid phono stage from Audio Research Corporation, featuring six 6H30P dual triode tubes in the audio stage plus regulation tubes in the power supply. Introduced around 2015-2016, it supports two single-ended RCA inputs for multiple turntables, balanced XLR and single-ended RCA outputs, and offers extensive customization including high/low gain settings, multiple load impedances, and selectable RIAA, Columbia, or Decca equalization. It includes a vacuum fluorescent display, menu-driven controls via six push buttons, RS-232, IR input, and a full-function remote. The design emphasizes low distortion, ultra-low noise, and exceptional resolution, evolving from Audio Research's Reference series advancements. Note: This model has been superseded by the Reference Phono 3 SE with component upgrades.
Specifications
Analog Output
Analog signal output specifications
- THD
- 0.002%
- SNR
- 71 dB
- Output Voltage
- 2.0V RMS
- Output Impedance
- 200Ω
- Max Output Voltage
- 30.0V RMS
Phono Preamplifier
Phono stage specifications
- MM Gain
- 45 dB
- MC Gain
- 67 dB
- Adjustable Loading
- Yes
- Loading Options
- 1000Ω, 500Ω, 200Ω, 100Ω, 50Ω
- Adjustable Capacitance
- Yes
Connectivity
Input and output connections
- Analog Inputs
- RCA
- Analog Outputs
- XLR, RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 480 × 198 × 419 mm (W × H × D)
- Weight
- 16.6 kg (37 lbs)
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions