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Technic details
Specifications
Type:
Stereo control amplifier
Rated output:
3V
Frequency response:
20Hz to 20kHz, ±0.25dB (With all filters out of the circuit)
Input sensitivity:
Phono - 6mV
AUX - 300mV
Total harmonic distortion ratio:
Less than 0.15% (20Hz to 20kHz)
Noise:
Less than any other preamplifier
Only 1µV referred (Low-level Phono input)
90dB below rated output (From high-level inputs)
Gain:
54dB - Low-level inputs
21dB - High-level inputs
Tone control:
High frequency - ±16dB at 20kHz
Low range - ±18dB at 20Hz
Attached circuit:
Loudness control
With an aural null balancer
Semiconductor used:
1 x Power transistor
22 x Low-level transistors
2 x Signal diodes
8 x Rectifier diodes
AC outlets:
Switched - 5 outlets
Unswitched 1 outlet
Power supply:
AC 110 - 120V / 220 - 240V, 50 / 60Hz (Export model only)
Power consumption:
20W
Dimensions (W x H x D):
397 x 330 x 171mm
Weight:
Around 9kg
Year:
1970
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