FM/AM Stereophonic Tuner Model 115

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1972
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 161956

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Superheterodyne (common); ZF/IF 10700/455 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 Model 115 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 15.375 x 5.75 x 11.8125 inch / 391 x 146 x 300 mm
  • Notes

  • A hi-fi AM/FM stereo tuner with an analogue dial housed in a wood finish metal case (wooden outer case optional). With Gyro-touch tuning, FM Tuning and Signal Strength meters, Stereo indicator, rotary controls for Output and Muting, push button switches for Hi-Blend, FM, AM, Mono and Muting. On the back, an AM ferrite rod aerial, terminals for AM and FM aerials, RCA phono Line Output sockets, terminals for FM Quadradial output and an unswitched AC outlet (200 watts max.).

    Specification  
    FM Section  
    Tuning Frequency Range 88-108MHz
    IHFM Usable Sensitivity 2.3µV
    IHFM Selectivity 60dB
    Capture Ratio 1.6dB
    Image Rejection Ratio at 106MHz 70dB
    Signal to Noise Ratio 70dB (Mono), 60dB (Stereo)
    Total Harmonic Distortion 0.15% (Mono), 0.3% (Stereo)
    Frequency Response 50Hz-15kHz, ±1dB
    Stereo Separation at 1kHz 42dB
    AM Section  
    Tuning Frequency Range 535-1605kHz
    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
    110/120/220/240V AC 50/60Hz switchable internally

    Power consumption: 25 Watts

    Designed in USA, Produced in Japan

  • Net weight (2.2 lb = 1 kg)
  • 7.9 kg / 17 lb 6.4 oz (17.401 lb)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Marantz model 115)
  • Author
  • Model page created by Franz Scharner. See "Data change" for further contributors.

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