Integrated Sinto-Amplifier with ITL-OTL Circuit SA-53

Panasonic, Matsushita, National ナショナル (also tubes); Osaka

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  • Year
  • 1969–1973 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 350322

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

 Technical Specifications

  • Number of Transistors
  • 53
  • Main principle
  • Superhet with RF-stage
  • Wave bands
  • Broadcast, Short Wave plus FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 50 - 60 Hz: 100; 110; 120; 200; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 42 W (60 W max.)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Integrated Sinto-Amplifier with ITL-OTL Circuit SA-53 - Panasonic, Matsushita,
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 500 x 129 x 357 mm / 19.7 x 5.1 x 14.1 inch
  • Notes

  • Hi-Fi amplifier with AM (525 - 1605 kHz) and FM (76 - 90 MHz) tuner. FM stereo/mono. AM sensitivity 20 µV. FM sensitivity 1.8 µV. Internal ferrite antenna for AM. Input for both AM and FM antennas.

    Power outptut on 4 Ω 30 + 30 W; on 8 Ω 27.5 + 27.5 W.
    Output bandwidth: 15 Hz to 70 kHz - 3 dB.
    Frequency characteristics: 20 Hz to 90 kHz +0 -3 dB.
    Input terminals:
    - Magnetic phono: 3 mV on 47 kΩ RIAA equalizer.
    - Aux: 230 mV on 35 kΩ.
    - Tape: 250 mV on 35 kΩ.
    Tone controls: Bass: ± 10 dB on 50 Hz - Treble: ± 10 dB on 10 kHz.
    Input (ITL) and output (OTL) circuits without transformers to reduce distortion.
    Remote control.

    53 Transistors and 29 Diodes, listed one per type and not all. This unit used a series of transistors not found in any databases: CS1473, CS1382, CS1452, CS1451, CS1383 and CS1472.

  • Net weight (2.2 lb = 1 kg)
  • 12.5 kg / 27 lb 8.5 oz (27.533 lb)
  • Mentioned in
  • -- Schematic (Schemario Radio Autoradio Mangianastri edizioni "Il Rostro" Italy, March 1971.)
  • Author
  • Model page created by Pier Antonio Aluffi. See "Data change" for further contributors.

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