Sharp Cassette Deck RT-12 RT-12H

MRI Thorn (Brand) Mowat Radio Industries Ltd; Thorn Radio Industries Ltd; Mangere Bridge Auckland

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  • Year
  • 1982 ??
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 368823

 Technical Specifications

  • Number of Transistors
  • Semiconductors present.
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Details
  • Cassette-Recorder or -Player
  • Power type and voltage
  • Alternating Current supply (AC) / 50-60 Hz, 110; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Sharp Cassette Deck RT-12 RT-12H - MRI Thorn Brand Mowat Radio
  • Dimensions (WHD)
  • 390 x 115.5 x 216 mm / 15.4 x 4.5 x 8.5 inch
  • Notes

  • Sharp RT-12 Cassette Deck

    Power source: AC 110; 220; 240 V 50-60 Hz

    Power consumption:10 w

    Semiconductors: 

    • 6 ICs (Integrated Circuit}
    • 11 transistors
    • 11 diodes
    • 11 LEDs (Light Emitting Diode)

    Dimensions: Width; 390 mm (153/8"}, Height; 115.5 mm, Depth; 216 mm (8-1/2")

    Weight: 2.7 kg (6.0 lbs.}

    Tape: Philips standard compact cassette tape

    Tape speed 4.8 cm/sec. (1-7/8 ips.)

    Frequency response:

    •      Normal tape;                       30 - 14,000 {40 - 12,000 ± 3dB) 
    •      TDK Metal tape;                 30 - 16,000 Hz {40 - 14,000 ± 3dB)

    SIN ratio: (MAXELL LIDXLII tape)

    • Dolby NR off;                  52 dB
    • Dolby NR on; 62 dB {at over 5 kHz

    Input sensitivity and input impedance:  

    •    Microphones;                       0.2 mV (6.8k ohms)
    •    Line In;                                 50 mV {58k ohms)

    Output level and loaded impedance;

    • Headphones; 46 mV ("0" dB), 8 ohms.
    • Line Out; 550mV ("0" dB), 50k ohms

    Has been paired with Sharp SA-11H Stereo Receiver and Sharp CP-11X Speakers.

    Manufactured in New Zealand by Thorn EMI Consumer Electronics NZ Ltd.

  • Net weight (2.2 lb = 1 kg)
  • 2.7 kg / 5 lb 15.2 oz (5.947 lb)
  • Mentioned in
  • - - Manufacturers Literature (Service Manual RT-12)
  • Author
  • Model page created by Brian Stevens. See "Data change" for further contributors.

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