The Gram Amp 2 Special Edition RIAA preamp was first launched in 2001 with a number of improvements over the legendary budget Gram Amp 2 “Communicator”. The Special Edition features 50 percent more gain to deliver a higher output which is a closer match to digital sources.
Originally built as an entry-level RIAA preamp for the USA market, It’s earned itself several recommendations with the American Hi-Fi press.
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: 107 x 117 x 50mm approx.
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