• Country
• United States of America (USA)

• Manufacturer / Brand
• Marantz (Sound United LLC); Vista, CA

• Year
• 1977

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 245818

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 110-240 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 100 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Console Stereo Amplifier 1090-T - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 415 x 160 x 325 mm / 16.3 x 6.3 x 12.8 inch

• Notes

• Power output at 1% Distortion: 77 watts per channel into 4Ω (stereo)
  Rated Power Output at 1kHz: 62W
  total Harmonic Distortion at rated power output 1kHz: 0.1%
  I.M. Distortion at rated power output 300Hz and 10kHz mixed 4:1 : 0.1%
  Power Bandwith 1/2 rated power output: 10Hz-30kHz
  Load Impedance: 4 Ohms

  Power output at 1% Distortion: 67 watts per channel into 8Ω (stereo)
  Rated Power Output at 1kHz: 50W
  total Harmonic Distortion at rated power output 1kHz: 0.1%
  I.M. Distortion at rated power output 300Hz and 10kHz mixed 4:1 : 0.1%
  Power Bandwith 1/2 rated power output: 10Hz-70kHz
  Load Impedance: 8 Ohms

  Damping Factor SP Output: 40Hz - 35, 1kHz-35, 12.5kHz-30
  Signal-to-Noise Ratio at 1kHz: Phono-78dB, AUX-91dB, MAIN IN-55dB
  Input sensitivity: Phono-2.0mV, AUX-200mV, MAIN IN-1500mV
  Input impedance 1kHz: Phono-47kOhms, AUX-20kOhms
  Phono equivalent Input Noise: 1.0uV
  Phono Dynamic Range: 95dB
  Phono Input Capacitance: 100pF
  Channel Balance: Phono-0-40dB 2.5dB AUX-40Hz-16kHz 2.0dB MAIN IN-1.0dB

   

   

• Net weight (2.2 lb = 1 kg)
• 9 kg / 19 lb 13.2 oz (19.824 lb)

• Author
• Model page created by Bartosz Szwed. See "Data change" for further contributors.

• Other Models

• Here you find 568 models, 559 with images and 90 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA