Pre Amp Accuphase C-230

Model rating
Model Stereo control center
Frequency characteristics (new IHF) High-level input: 20Hz to 20000Hz +0 -0.2dB
Disk input: 20Hz to 20000Hz ±0.2dB
Harmonic distortion rate (new IHF, THD+N) 0.005% or less (20Hz to 20000Hz)
Input sensitivity/input impedance
(Rated/New IHF) DISC (HEAD AMP:OFF): 2.5mV/0.96mV/100, 47k, 82k, 150kΩ
DISC(HEAD AMP:ON):0.125mV/0.05mV/100Ω
AUX, Tuner, Tape, Play: 160mV/62mV/47kΩ
Rated output/output impedance Output:1.3V/20Ω
Tape Rec:160mV/200Ω
headphones Output impedance: 0.3Ω
Output (8Ω load): 0.25W, 1kHz
Distortion (THD+N): 0.01%
S/N (A-correction)/Input conversion noise
At the time of rated input, input short
Tuner, AUX, Tape Play: 112dB -128dBV
DISC (HEAD AMP OFF): 87dB -139dBV
DISC (HEAD AMP ON): 74dB -152dBV
New IHF
Tuner, AUX, Tape Play: 92dB
DISC (HEAD AMP OFF): 85dB
DISC (HEAD AMP ON): 76dB
Maximum output level 8.0V or more
Distortion (THD+N): 0.005% (20Hz to 20000Hz)
Maximum disk input
HEAD AMP OFF: 300mVrms, 1kHz
Distortion (THD+N): 0.005%
HEAD AMP ON: 15mVrms, 1kHz
Distortion (THD+N): 0.005%
Minimum load impedance Outputs:1kΩ
Tape Rec:10kΩ
Gain
From Tuner, AUX, Tape Play
Tape Rec: 0dB
Outputs: 18dB
HeadPhones: 18dB
From DISC (HEAD AMP OFF)
Tape Rec: 36dB
Outputs: 54dB
HeadPhones: 54dB
(+26dB when DISC input HEAD AMP ON)
Tone control Step type with 11-point rotary switch
Bass 500Hz: ±10dB (100Hz)
200Hz: ±10dB (50Hz) 2dB step
2dB step
high tone 2kHz: ±10dB (10kHz)
7kHz: ±10dB(50kHz) 2dB step
2dB step
Loudness concealer sweater COMP1:+6dB(50Hz)
COMP2:+9dB(50Hz)
COMP3: +10dB (50Hz), +6dB (20kHz)
(Volume control, at -30dB)
Subsonic filter 17Hz, -12dB/oct
Attenator -20dB
Semiconductor used 85Tr, 16FET, 5IC, 22Di
Power supply 100V, 117V, 220V, 240V/50Hz, 60Hz
Power consumption 35W
External dimensions Width 445 x Height 128 (including legs) x Depth 370mm
Weight 10.0kg