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VAC STANDARD PREAMPLIFIER SPECIFICATIONS (typical)
Type:
Options:
Line stage preamplifier:
Gain:
Maximum input signal:
Main output:
Tape output:
Phono stage preamplifier:
Gain:
Residual noise:
Overload:
Frequency response:
Notes:
Tube compliment:
Phono option:
Line stage:
Warranty:
Vacuum tube line stage with external power supply and home
theater (direct power amplifier) mode.
Remote control for volume & mute
Dedicated MM phono input
Dedicated MC phono input
24 dB
Essentially infinite (attenuation precedes line stage)
Inverting (you may reverse speaker connections if you wish to
compensate, or set your d/a converter to phase reversal)
Unity gain from selector, non-inverting
37 dB (measured at tape output)
3 mV at output (S/N ratio approx. 69 dB)
117 mV @ 1 kHz = 8 volts RMS output
460 mV @ 10 kHz
RIAA +/- .25 dB
Does not invert absolute phase.
2 x 12AX7 low noise (early units); 3 x 12AX7 low noise (later units)
(The phono stage is located on circuit board at left side of chassis)
2 x 12AU7/6189A & 2 x 12AX7 (line stage)
Three years parts and labor, excluding tubes.
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