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Audio Research
First released in 2013
SP20
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If you make a purchase, Linephaze may receive an affiliate commission.Specifications
amplification technologyVacuum Tube
Frequency ResponseLine: ±0.3dB 2Hz–80kHz, Phono ±0.1dB, 10Hz-20kHz, Headphone: ±0.05dB 20Hz-20kHz
Input ImpedanceBalanced: 120kΩ, Unbalanced: 60kΩ
Output LevelLine: 2V RMS, Phono: 0.5V, Headphones: 6V RMS
Output ImpedanceBalanced: 500Ω, Unbalanced: 250Ω
Signal to Noise RatioLine:<101dB, Phono: <77dB, Headphones: <88dB
Total Harmonic DistortionLine: <0.003%, Pono: <0.005%, Headphones: <0.009%
Dimensions (W x H x D)483 x 133 x 420
Weight7.4 kg