Fm / Am Stereophonic Tuner Model 120

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1971–1973
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 161958

 Technical Specifications

  • Number of Tubes
  • 1
  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common)
  • Wave bands
  • Broadcast (BC) and FM or UHF.
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 100; 120; 200; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Fm / Am Stereophonic Tuner Model 120 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 391 x 147 x 300 mm / 15.4 x 5.8 x 11.8 inch
  • Notes

  • A hi-fi stereo AM/FM stereo tuner with an analogue dial, housed in a metal case (wooden case optional). With Gyro-Touch tuning, a CRT Oscilloscope for FM and AM Tuning etc., rotary Vertical and Horizontal Scope Centering controls, push button switches for Scope Display (On, External, Audio, Tuning, Multipath), Mode Selection (FM, AM, Mono, Muting, Hi Blend).

    On the back, an AM ferrite rod antenna, terminals for AM and FM antennae, antenna attenuation switch, RCA phono sockets for Line output, Tape output, FM Quadradial output and Scope input, adjusters for Scope Focus and Brightness, Muting Level and Output Level (L and R), switched and unswitched AC outlets.

    Specification  
    FM Section 88MHz-108MHz
    IHF Usable Sensitivity  2.3µV
    IHF Selectivity 80dB
    Capture Ratio 1.6dB
    Image Rejection Ratio at 106MHz  93dB
    Signal to Noise Ratio 70dB (Mono), 60dB (Stereo)
    Total Harmonic Distortion 0.15% (Mono), 0.3% (Stereo)
    Frequency Response 50Hz-15kHz ±1dB
    Stereo Separation 42dB at 1kHz
    26dB at 10kHz
    36dB at 200Hz
    AM Section 540kHz-1605kHz
    Usable Sensitivity 20µV
    Selectivity 26dB
    Image Rejection Ratio at 1400kHz 70dB
    Signal to Noise Ratio 46dB
    Frequency Response, -3dB down 50Hz-4kHz
    Total Harmonic Distortion 1%

    Versions/Power requirements
    120V AC 50/60Hz
    100/120/200/220/240V AC 50/60Hz switchable internally

    Power consumption:  40 watts

    Designed in USA, Produced in Japan

  • Net weight (2.2 lb = 1 kg)
  • 21 lb 0 oz (21 lb) / 9.534 kg
  • Price in first year of sale
  • 395.00 $
  • Mentioned in
  • -- Original prospect or advert (1973 Marantz We Sound Better catalogue)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (1971 Marantz Brochure models 120, 3300, 250, 110, 1030)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Handbook of instructions Marantz 120)
  • Literature/Schematics (3)
  • - - Manufacturers Literature (Service Manual Marantz 120)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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