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Accuphase M-100

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Technic details

Specifications

Type:
Mono Power Amplifier
Continuous average output:
1000W (2Ω, 20Hz to 20kHz, strain rate 0.01%)
800W (4Ω, 20Hz to 20kHz, strain rate 0.01%)
500W (8Ω, 20Hz to 20kHz, strain rate 0.01%)
250W (16Ω, 20Hz to 20kHz, strain rate 0.01%)
Total harmonic distortion:
0.01% (2Ω to 16Ω, 0.25W to continuous average output, 20Hz to 20kHz)
Intermodulation distortion:
0.003% (EIA)

Frequency response:
20Hz to 20kHz, ±0dB (Level control MAX at continuous average output)
0.5Hz to 400kHz, +0 -3dB (Level control MAX at 1W output)
0.5Hz to 140kHz, +0 -3dB (EIA, level control at 1W output, -6dB)
Gain:
28dB
Load impedance:
2Ω to 16Ω
Damping factor (EIA):
300 (50Hz, 8Ω)
Input sensitivity / impedance:
2.6V / 20kΩ (continuous average output)
0.12V / 20kΩ (EIA, 1W output)
Input level adjustment:
Step type attenuator
Attenuation:
0 to -20dB between 1dB step, -23dB, -30dB, -∞, 25 contacts
Error:
Within ±0.1dB
S / N (A correction):
130dB (input short circuit at continuous average output)
100dB (EIA, input 1kΩ at 1W output)
Low filter:
10Hz / 17Hz / 30Hz / 50Hz, -12dB / oct
Digital power display:
Model - Peak output at 8Ω load is displayed in watts
Display digits - 3 digits
Display range - Direct read from 0.001W to 999W by range switching
Range:
0.001 - 0.001 to 0.999W
0.01 - 0.01 to 9.99W
0.1 - 0.1 to 99.9W
1 - 1 to 999W
Semiconductor used:
Transistor - 57 pieces
FET - 5 pieces
IC - 21 pieces
Diode - 65 pieces
Power supply voltage:
AC 100V / 117V / 220V / 240V, 50Hz / 60Hz
Power consumption:
175W (No input)
490W (Electrical Appliance and Material Control Law)
780W (With 8Ω load 500W output)
Attached:
Timing cable (1.5m)
Optional:
Sidewood A-14 (with mounting bracket, ¥ 16,000)
Heat dissipating fan O-81 (complete set, ¥ 8,000)
Timing cable TC - 11 (10m, ¥ 3,000)

External dimensions (W x H x D):
480 x 232 x 476mm
Weight:
41.5kg
Year:
1981

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