VAC Auricle Preamplifier User Manual
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VAC AURICLE PREAMPLIFIER SPECIFICATIONS (typical)
Type:
Vacuum tube triode preamplifier with integral triple-shielded
power transformer, remote control for volume & mute (manual
only version available by special order), and passively
equalized MM phono input.
Line stage preamplifier:
Gain:
22 dB
Maximum input signal:
Infinite (attenuation precedes line stage)
Main output:
Inverting (you may reverse speaker connections if you wish to
compensate, or set you d/a converter to phase reversal)
Tape output:
Unity gain from selector, non-inverting
Phono stage preamplifier:
Gain:
40 dB (measured at tape output)
Residual noise:
less than 3 mV at output (S/N ratio approx. 69 dB)
Overload:
117 mV @ 1 kHz = 8 volts RMS output
460 mV @ 10 kHz
Frequency response:
RIAA +/- .25 dB
Notes:
Does not invert absolute phase.
Tube compliment:
5 x 12AX7
1 x 12AU7/6189A
Warranty:
Three years parts and labor, excluding tubes.