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Technic details
Specifications
Type:
Stereo Power Amplifier
Continuous effective output:
100W + 100W (8Ω, both channels simultaneous operation, 20Hz to 20kHz with no more than 0.008% total harmonic distortion)
Total harmonic distortion rate:
0.005% or less (8Ω, 100W, 20Hz to 20kHz)
Intermodulation distortion rate:
No more than 0.008% (8Ω, 100W, 60Hz: 7kHz = 4: 1)
Frequency characteristic:
DC to 100kHz, -1dB
Output bandwidth:
5Hz to 100kHz, -3dB (8Ω, 0.1%)
Input sensitivity / Impedance:
890mV / 50kΩ
S / N ratio:
120dB or more (IHF-A curve correction, input short circuit)
Residual noise:
Less than 0.1mV (input short)
Crosstalk:
-100 dB or less (100Hz)
-70 dB or less (20Hz to 20kHz)
Damping factor:
80 or more (8Ω, 1 kHz)
Protection circuits:
Protection circuit DC offset sensor
Speaker protection circuit by DC drift detection
Amplifier protection circuit by heat sink abnormal high temperature detection
Eddy current prevention circuit
Other features:
Left and right channel independent VU meter
Meter range switching (0dB, -10dB)
Input capacitor IN / OUT switching
Left and right channel independent attenuator
Connection terminal for Peak indicator
Semiconductors used:
IC's x 2
Transistors x 49
Diodes x 43
AC outlet:
Unswitched - 1 line, 500W
Power requirements:
AC 100V, 50 / 60Hz
Power consumption:
450W (8Ω, simultaneous operation on both channels, at rated output)
Dimensions (W x H x D):
442 x 146 x 400mm
Weight:
19kg (Net)
21kg (Gross)
Year:
1977
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