The Gram Amp 2 Special Edition phono preamp won’t stamp any “signature” on your music so you’ll be able to hear all the qualities of your cartridge.
Supplied with a basic (“green energy”) power supply with self-adjusting voltage, and with power-pins fitted to suit your power outlet — you can upgrade by swapping over to PSU1 power as and when you’re ready.
Gram Amp 2 Special Edition Specifications
- Input range: 2mV – 10mV rms
- Output range (for above inputs): 224mV to 1120mV rms
- Gain: 41dB (Av 112) ref 1kHz
- Phase margin: 90 degrees
- Maximum input level: 41mV (ref: 1 kHz)
- Input impedance resistive: 47k Ohms
- Input impedance capacitive: 100pF
- Output noise: (CCIR Q-Pk 22Hz-22 kHz) -74dB
- Equivalent Input Noise (EIN): -115dB
- Reproduction characteristic: RIAA within 0.5dB total deviation 20Hz-20kHz
- Total Harmonic Distortion plus noise measured at 80Hz, 1kHz, 5.6 kHz and 16 kHz: < 0.05% (typically < 0.015% at 1 kHz)
- Channel balance: 0.1dB
- Channel separation: 64dB
- Size (approx.): 107 x 117 x 50mm
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