⭕ Accuphase C-2800 Precision Stereo Preamplifier

The system is in excellent condition. Operates and looks like absolutely new. Comes in original box.

Form Stereo control amplifier
Frequency response Balanced, Unbalanced : 3Hz-200kHz+0 -3.0 dB
20Hz-20kHz+0 -0.2 dB
AD MM/36dB, MC input:20Hz-20kHz±0.2dB
AD MM/30dB input:20Hz-20kHz±0.3dB
THD 0.005%
Input sensitivity/impedance
(An Output power / 0.5V output) AD MM/30dB: 8.0mV/2.0mV/47kohm
AD MM/36dB: 4.0mV/1.0mV/47kohm
AD MC/62dB: 0.2mV/0.05 mV/10ohm, 30ohm, a 100-ohm change
AD MC/68dB: 0.1mV/0.025 mV/10ohm, 30ohm, a 100-ohm change
Balanced: 252mV/63mV/40kohm
Unbalanced: 252mV/63mV/20kohm
An Output power/impedance Balanced, Unbalanced output:2V/50 ohm
Rec (at the time of AD input): 252mV/200 ohms
S/N, input conversion noise
Input short-circuit and A-compensation EIA S/N
At the time of an Output power S/N Input conversion noise
AD MM/30dB: 95dB -137dBV 91dB
AD MM/36dB: 89dB -137dBV 92dB
AD MC/62dB: 80dB -154dBV 87.5dB
AD MC/68dB: 75dB -155dBV 88.5dB
Balanced: 111dB -123dBV 110dB
Unbalanced 111dB -123dBV 110dB

Maximum-except-take-off level Balanced, Unbalanced output:7.0V
Rec(at the time of AD input): 6.0V
The Line maximum inlet pressure Balanced, Unbalanced input:6.0V
The AD maximum inlet pressure
(1kHz, distortion 0.005%) MM(30dB/36dB) input:300mV/150mV
MC(62dB/68dB) input:7.5mV/3.75mV
Minimum load impedance Balanced, Unbalanced output: 600ohms
Rec: 10kohm
Gain
(Gain switch 18dB position) Balanced, Unbalanced input -> Balanced, Unbalanced output: 18dB
Unbalanced input -> Rec output: 0dB
AD MM(30/36dB) input -> Balanced, Unbalanced output: 48/54dB
AD MM(30/36dB) input -> Rec output: 30/36dB
AD MC(60/66dB) input -> Balanced, Unbalanced output: 80/86dB
AD MC(60/66dB) input -> Rec output: 62/68dB
* 12 / 18/24dB change is possible for a gain switch.
Compensation
(Volume -30dB) 1:+3dB(100Hz)
2: +8dB (100Hz), +6dB (20kHz)
Subsonic Filter 10Hz, -18 dB/oct
Attenuator -20dB
Power source AC100-240V, 50Hz/60Hz
Power consumption 48W
The maximum Dimensions Width 477x height 156x depth of 412mm
At the time of AD-2800 extension: Depth of 414mm
Weight 21.2kg
At the time of AD-2800 extension: 22.1kg
Attachment Remote commander RC-32
AC power cord
An audio cable with a plug (1m)

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