Console Stereo Amplifier Model 1050

Marantz (Sound United LLC); Vista, CA

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  • Year
  • 1978–1980
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 245819

 Technical Specifications

  • Number of Transistors
  • 45
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Hi-Fi equipment
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 120; 220; 240 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Power out
  • 50 W (60 W max.)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Console Stereo Amplifier Model 1050 - Marantz Sound United LLC;
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 416 x 146 x 240 mm / 16.4 x 5.7 x 9.4 inch
  • Notes

  • A hi-fi stereo integrated amplifier with power output of 2 x 25 watts FTC (US standard) into 8 ohms, or 2 x 30 watts FTC into 4 ohms, housed in a metal case (outer wooden case optional). Also available with an extra wide front plate with rack handles. With a rotary volume control, slider controls for Bass, Treble and Balance, rotary switches for input selector (Phono, Tuner, Aux), Tape Monitor (Tape, Source), Speakers (Off, A, B, A+B), push button switches for Low Filter, Mono and Loudness. Jack for headphones, RCA phono sockets for input Phono, Tuner, Aux, for input/output Tape, a DIN input/output socket for tape, and terminals for 2 pairs of loudspeakers (A and B).

    Specification  
    Audio Section  
    Power Output per channel into 4Ω
                                          into 8Ω    		 30W FTC (51W DIN)
    25W FTC (40W DIN)
    Total Harmonic Distortion at rated power 0.1%
    I.M. Harmonic Distortion at rated power 0.1%
    Power Bandwidth 20Hz-50kHz
    Damping Factor 8Ω 45
    Frequency Response  
      Phono (RIAA)
      Aux         		 ±0.5dB
    20Hz-50kHz ±1dB
    Input Terminals  
     Phono  
      Input Impedance
      Input Capacitance
      Input Sensitivity    		 47kΩ
    100pF
    2.1mV
     Aux  
      Input Impedance
      Input Sensitivity    		 25kΩ
    180mV
    Phono Dynamic Range 100dB
    Channel Balance
     (0 to —40 dB/40Hz-16kHz)    		  
      Phono, Aux 3.0dB
    Interchannel Crosstalk  
      Phono, 1kHz
      Aux, 1kHz
      Tape, 1kHz    		 47dB
    62dB
    62dB
    Intersource Crosstalk (Worst Point), 1kHz 55dB
    Tape Out  
      Output Voltage, 1kHz
      Output Impedance, 1kHz    		 775mV
    220ohms
    Headphone Jack Load Impedance 4Ω

    Versions/Power requirements
    E, N    /  110/120/220/240V AC 50/60Hz with voltage selector
    Others  /  110/120/220/240V AC 50/60Hz internally switchable

    Power Consumption at rated output: 110 Watts ± 20W

    Semiconductors : Transistors 45, Diodes 26

    Designed in USA, Produced in Japan

  • Net weight (2.2 lb = 1 kg)
  • 7 kg / 15 lb 6.7 oz (15.419 lb)
  • Mentioned in
  • -- Original prospect or advert (1978 Marantz We Sound Better and 1980 Marantz hi-fi catalogues)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Service manual Marantz 1072/1050)
  • Author
  • Model page created by Bartosz Szwed. See "Data change" for further contributors.

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