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Touchstone Preamplifier (Tempest Preamplifier)
Time Machine Preamplifier
6SN7 Preamplifier (Topaz Preamplifier)

6SN7 Based active pre-amplifier.
Uses valve rectifier, two 6SN7 driving output transformers (No capacitors in the signal path). Output impedance ~80 ohm.
4 Inputs, volume. 
$1495.00 (remote volume option add $255.00)
(Shown on American Oak plinth +$150.00)

Max Voltage Output ......5 volts rms. 14 volts peak.
Frequency response.......20hz to 30khz  +/- 0.25db
Separation.......……….... >55db
Signal to Noise............. >88db A Weighted
Signal to Hum…….…..... >68db
Distortion.................…..<0.05% at 0.5 volt rms output
Hum Level……………...... <0.1 millivolt  (1.2 millivolt at full volume)
Gain.............................6db
Inputs………..…………..... 4



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