FM Tuner MR 77

McIntosh Audio Company; Binghamton, NY

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  • Year
  • 1970–1978
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 211931

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

 Technical Specifications

  • Number of Tubes
  • 1
  • Valves / Tubes
  • 6HU6
  • Number of Transistors
  • 21
  • Semiconductors
  • Main principle
  • Superhet with RF-stage; ZF/IF 10700 kHz
  • Tuned circuits
  • 15 FM circuit(s)
  • Wave bands
  • FM Broadcast Band Only
  • Power type and voltage
  • Alternating Current supply (AC) / 120 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM Tuner MR 77 - McIntosh Audio Company;
  • Shape
  • Chassis only or for «building in»
  • Dimensions (WHD)
  • 16 x 5.44 x 13 inch / 406 x 138 x 330 mm
  • Notes
  • The Mcintosh Stereo Tuner MR 77 uses a rf cascode amplifier (FET and bipolar) and 5-gang tuning in the FM front end and two ICs in the FM IF amplifier. So-called IF RIMO-filters for constant time delay and low distortion. Multipath indicator provided by an electron ray indicator tube. Wood case optional available.
    Price in Germany: 5650,-DM (as of 1972).
  • Net weight (2.2 lb = 1 kg)
  • 27 lb (27 lb 0 oz) / 12.258 kg
  • Price in first year of sale
  • 699.00 $
  • Source of data
  • -- Original-techn. papers.
  • Mentioned in
  • HiFi-Jahrbuch 6, Verlag G. Braun Karlsruhe, 1972, S.386
  • Author
  • Model page created by Bernhard Nagel. See "Data change" for further contributors.

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