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

 

specifitations:

POWER AMPLIFIER   PREAMPLIFIER  
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
GENERAL      
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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