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enfrdeitrues

Marantz 8B

Technic details

Specifications

Type:
Tube stereo power amplifier
Rated output RMS:
35W + 35W (8Ω, 1kHz)
Total harmonic distortion factor:
Less than 0.1% (1kHz, 1W, 8Ω)
Less than 0.7% (1kHz, 35W, 8Ω)
Intermodulation distortion (60Hz : 12kHz, 4:1):
Less than 0.5% (35W, 8Ω)
Less than 0.28% (30W, 8Ω)
Less than 0.17% (20W, 8Ω)
Less than 0.11% (10W, 8Ω)

Damping factor:
20 (20Hz to 20kHz)
Frequency response:
20Hz to 40kHz, ±1dB (1W, 8Ω)
Input sensitivity / impedance:
1.3V / 250kΩ (35W)
Speaker load impedance:
4Ω to 16Ω
S / N ratio:
90dB (EIAJ, 35W)
Subsonic filter:
20Hz (Less than 1db)
Tube complement:
2x 6BH6
2x 6CG7
4x 6CA7 / EL34
Power supply voltage:
AC 100 - 120V, 50 / 60Hz
Power consumption:
170W (At zero signal)
250W (At maximum signal)

External dimensions (W x H x D):
348 x 191 x 273mm
Weight:
22.5kg
Year:
1962

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