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Marantz 7-7t stereo preamplifier
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Классика
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Marantz 7-7t stereo preamplifier
Marantz 7-7t stereo preamplifier
Marantz 7-7t stereo preamplifier
Marantz 7-7t stereo preamplifier
Marantz 7-7t stereo preamplifier
Marantz 7-7t stereo preamplifier
Here are the specifications from the original Handbook of Instructions:
Microphone input to main input: 61.5 ± 1.0dB
Phono input to main output: 63.5 ± 1.0dB
Tape-Head input to main input: 63.5 ± 1.0dB
Phono input to recording output: 42.0 ± 0.2dB
High level input to main output: 21.5 ± 0.8dB
Frequency Response: ±0.5dB, 20 to 20,000 Hz
IM Distortion: 0.15% at 10 volts rms equivalent peak output
Total Harmonic Distortion: 1 volt @ 2kHz non-measurable
5 volts @ 2kHz 0.02%
10 volts @ 2kHz 0.03%
Dynamic Range (phono input to recording output at 1 kHz and at rated distortion): 100dB, typical
Total Noise: .1 micro volt equivalent input
Input Impedance: Phono 1 and Phono 2: 47K ohms
Microphone and Tape-Head: approximately 450K
High level: approximately 200K
Power requirements: 105 to 130 volts, rms
50 to 60 Hz
9 watts
Dimensions: Panel Width: 15 3/8 inches
Panel Height: 5 3/4 inches
Depth behind panel: 8 inches
Clearance for panel and knobs: 7/8 inch
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