marantz 1090


marantz 1090


marantz 1090 inside


marantz 1090 output transistors


marantz 1090 switch contactors


marantz 1090 swich and volume pot


marantz 1090 trafo


rear side of marantz 1090



Power output: 2 X 45 Watts RMS at 8W, 20Hz - 20KHz Phono section  
Intermodulation distortion: 0.1% Dynamic range: 96dB
Total harmonic distortion: 0.1% Equivalent Noise input: 1.5mV
Frequency response: 20Hz to 20 KHz  at +/- 2dB Frequency response: 20Hz to 60KHz at +/- 1.25dB
Power bandwidth: 20Hz - 20KHz IHF, both channels driven Sensitivity: 1.8mV
Basic Amplifier input sensitivity and impendance: 1.5V - 30 KW High level input sens.: 180mV
Damping factor: 45 into 8W Signal to noise: 88dB
Width/Height/Depth: 16-3/8"/5-3/4"/11-7/8"    
Weight: 20.9 lbs    


Power Transistor for marantz 1090 are: 2SD588 / 2SB618

The original transistors 2SD588 / 2SB618 has characteristics Vcbo=150V, Vebo=5V, Ic=7A, Pc=80W



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