Phono Preamp Reviews

Description: Solid-state phono preamplifier with unbalanced inputs and both balanced and unbalanced outputs. Overall voltage gain: MM: 44dB, 50dB, 56dB. MC: 60dB, 66dB, 72dB. Input loading: MM: 47k ohms (100pf). MC: 60, 100, 200, 47k ohms, Custom, 1 ohm–1k ohms. Output impedance: unbalanced <200 ohms, balanced <200 ohms per leg. (All measurements are with both channels operating, gain set to low, and balanced outputs. Input frequency is 1kHz.) Frequency response: 20Hz–20kHz ±0.25dB. THD @0.5V, 1kHz: <0.01%. Maximum output: @1%THD: 24VRMS. Overload margin: @1kHz: >22dB. S/N ratio MM: >82dB A-weighted. MC: >74dB A-weighted. Channel separation >74dB.
Dimensions: 17" (430mm) W × 3.25" (82.5mm) H × 13" (330mm) D. Weight: 21.6lb (9.8kg).
Serial number of review samples: SPH-A-9G0363 (listening), SPH-B-9J0100 (measurements). Designed and assembled in the US.
Price: $2499. Approximate number of dealers: Sold direct.
Manufacturer: PS Audio, 4865 Sterling Drive, Boulder, CO, 80301. Web: psaudio.com.