• Country
• United States of America (USA)

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

• Year
• 1972–1976

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 82431

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

• Number of Transistors
• 84

• Semiconductors
• TA7060

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

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

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

• Power out
• 90 W (135 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereophonic receiver 2245 - Marantz Sound United LLC;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 440 x 147 x 410 mm / 17.3 x 5.8 x 16.1 inch

• Notes

• Blue face series receiver 2 x 45 watts, "gyro tuning".

  1 IC (TA7060P, driver amp. for FM-Detector)

  Output 2 x 45 W into 4 to 8 Ohms; 2 x 25 W into 16 Ohms
  Power Bandwidth for 0.3 % THD 7 - 70'000 Hz
  Damping Factor >45
  Channel Separation >35 dB
  High Level S/N Ratio -80 dB

  Total Distortion at rated output
  - Intermodulation 0.3 %
  - Harmonic 0.3 %

  Made in Japan

• Net weight (2.2 lb = 1 kg)
• 34.5 lb (34 lb 8 oz) / 15.663 kg

• Source of data
• -- Schematic

• Other Models

• Here you find 571 models, 563 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA