FM/AM Stereophonic Tuner 105B

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1974 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 277212

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 455/10700 kHz
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: FM/AM Stereophonic Tuner 105B - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 360 x 120 x 280 mm / 14.2 x 4.7 x 11 inch
  • Notes

  • A hi-fi 2 band AM/FM stereo tuner with an analogue dial. With FM/AM Tuning meter, Gyro-Touch Tuning wheel, push button switches for FM, AM, Mono and Muting, on the rear an AM rod aerial, terminals for FM and AM antennae, RCA Phono sockets for Line Output and FM Quadradial Output and an unswitched AC outlet (200 watts max.). 

    Specification  
    FM SECTION  
    Tuning Frequency Range 88-108MHz
    IHFM Usable Sensitivity 3.0µV
    IHFM Selectivity 48dB
    Capture Ratio 3dB
    Image Rejection Ratio at 106MHz 50dB
    Signal to Noise Ratio (Mono) 65dB
    Signal to Noise Ratio (Stereo) 55dB
    Total Harmonic Distortion (Mono) 0.5%
    Total Harmonic Distortion (Stereo) 0.8%
    Frequency Response 30Hz-15kHz, ±2dB
    Stereo Separation at 1kHz 40dB
    AM SECTION  
    Tuning Frequency Range 540-1605kHz
    Usable Sensitivity 25µV
    Selectivity 20dB
    Image Rejection Ratio at 1400kHz 40dB
    Signal to Noise Ratio 45dB
    Frequency Response, -3dB down 50Hz-3.3kHz
    Total Harmonic Distortion 1%

    Versions/Power requirements
    USA, Canada / 120V AC 50/60Hz
    Europe / 110; 120; 220; 240V AC 50/60Hz with voltage selector

    Power consumption:  15 Watts

    Designed in USA, Produced in Japan

    There is another version of the Marantz 105B FM/AM Stereophonic Tuner with SW instead of MW.

  • Net weight (2.2 lb = 1 kg)
  • 5.5 kg / 12 lb 1.8 oz (12.115 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service Manual 105B)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Handbook of Instructions 105B)
  • Author
  • Model page created by Bartosz Szwed. See "Data change" for further contributors.

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The model FM/AM Stereophonic Tuner is part of the collections of the following members.

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