The Gram Amp 2 Communicator is a phono preamp for high output cartridges (moving magnet, high output moving coil and moving iron), and is best used into a line/aux input on a preamp, integrated amp, or receiver.
It is supplied with a basic (“green energy”) power supply which self adjusts to your voltage, and has a choice of power plug types to suit your power outlets; and you can upgrade by swapping over to PSU1 power when you’re ready.
Gram Amp 2 Communicator Specifications
- Input range: 2mV to 10 mV
- Output: 168 to 841 mV for input range above
- Maximum input level: 58mV
- Input impedance resistive: 47k Ohms
- Input impedance capacitive: 220pF
- Output noise: (‘A’ weighted) -75dB
- Reproduction characteristic: RIAA within 0.5dB
- Output Slew Rate: 7.5V/µS
- Gain Bandwidth: 2.25MHz
- Gain Margin: 19dB
- Phase Margin: 78 degrees
- Total Harmonic Distortion plus noise: <0.02%
- Channel separation: 64dB
- Size: 115 x 85 x 45mm (4.5 x 3.5 x 1.75 inches) approx.
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