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AmplifiersPre-AmplifiersPhono Pre-AmpsDiscontinued
Estimated price (community-sourced)
$1,599
Around — community and catalog average, updates slowly
About the C31V
The C31V is a two-channel solid-state audio/video control center (preamplifier) with provisions for switching audio and video sources. It includes phono and high-level inputs, a five-band program equalizer, remote control capability, and switched and unswitched AC outlets. This is a historical price, not a current retail price.
Specifications
Type: 2-channel solid-state audio/video control center (preamplifier)
Frequency response: 20 Hz–20 kHz (+0, −0.5 dB)
Total harmonic distortion: 0.007% maximum
Maximum output: 8 V
Input sensitivity: Phono 2 mV; high level 200 mV
Input impedance: Phono 47 kΩ with 65 pF capacitance; high level 22 kΩ
Signal-to-noise ratio (A-weighted): Phono 90 dB below 10 mV input; high level 98 dB below rated output
Voltage gain: Phono to main 62 dB; high level to main 17.5 dB
Equalizer: Five bands at 30, 150, 500, 1,500, and 10,000 Hz; ±12 dB
AC outlets: 7 switched and 1 unswitched
Power requirement: 120 V, 50/60 Hz, 25 W
Dimensions: 5-7/16 in H × 16-1/8 in W × 13 in D behind panel
Weight: 16.5 lb
Remote: HR31V hand remote