Stereo Preamplifier TA-2000

Sony Corporation; Tokyo

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  • Year
  • 1968–1971
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 27714

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 31
  • Semiconductors
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 117; 220; 240 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Stereo Preamplifier TA-2000 - Sony Corporation; Tokyo
  • Shape
  • Book-shelf unit.
  • Dimensions (WHD)
  • 400 x 145 x 315 mm / 15.7 x 5.7 x 12.4 inch
  • Notes

  • A professional hi-fi stereo preamplifier. With two VU level meters (Left and Right channel), rotary controls for Volume, Bass, Treble, Balance and Headphone volume, rotary Mode switch and rotary Function switch with Function Selector switch, switches for Meter Test, Low and High filters, Tone Cancel, and Tape Monitor. Jacks for Line Out, Headphone, Aux2, and Microphone (Left and Right) and on the back, a ground terminal, RCA phono sockets for input Tape Head, Phono1, Phono2 (with Low/Normal Level switch), Tuner, Aux1 and Tape1 (each with a Level adjuster) and for output Rec Out, DIN socket for REC/PB, RCA phono sockets for two Line Outputs (with output level switch (0.3V/1V)) and for Centre Channel Output (with a Level adjuster), 3 switched and 1 unswitched AC outlets.

    Specification  
    Circuit system All silicon transistor stereo preamplifier
    31 Transistors, 9 diodes
    Frequency responses  
     TUNER, AUX-1, AUX-2, TAPE IN
     PHONO-1, PHONO-2    		 20Hz-100kHz +0,-2dB
    RIAA equalization curve tolerance within ±0.5dB
     TAPE HEAD NAB equalization curve tolerance within ±0.5dB
     (adjustable +6dB at 10kHz by semi-fixed resistor)
     MIC 20Hz-30kHz +0,-2dB
    S/N ratio (IHF)
    (short-circuited)    		  
     TUNER, AUX-1, AUX-2, TAPE IN
     PHONO-1, PHONO-2 (NORMAL)
     PHONO-2 (LOW)
     TAPE HEAD
     MIC    		 > 90dB (weighting network 'A')
    > 70dB (weighting network 'A')
    > 50dB (weighting network 'B')
    > 65dB (weighting network 'B')
    > 65dB (weighting network 'A')
    Filters HIGH FILTER ; 12dB/oct above 9kHz
    LOW FILTER ; 12dB/oct above 50Hz
    Output voltage and impedance:  
     REC OUT  120mV, 1.5kΩ (maximum 10V)
     PREAMP OUT, LINE OUT
     (switchable by slide switch)    		 1V, 10kΩ (max 2.5V)
    0.3V, 4kΩ (max 0.75V)
     CENTER OUT (adj. by slide
      switch and semi-fixed resistor)    		 1.5V, 7.5kΩ (max 5V)
    0.45V, 7.5kΩ (max 1.5V)
     HEADPHONE OUT (adj. by
     HEADPHONE LEVEL CONTROL)    		 3V, 1.5kΩ (max 10V)
     REC/PB (output) 120mV, 80kΩ (max 1V)

    Power requirements
    100, 117, 220, 240V AC 50/60Hz

    Power consumption: 10 watts (12 volt amperes)

    H-Fi-Stereo-Vorverstärker mit 9 Eingängen. Vertrieb in D über ELAC.

  • Net weight (2.2 lb = 1 kg)
  • 9 kg / 19 lb 13.2 oz (19.824 lb)
  • External source of data
  • erb
  • Mentioned in
  • -- Original prospect or advert (1971 Sony Gesamtprogramm katalog)
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Sony TA-2000 Service manual dated 1968)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (Sony TA-2000 Owner's instruction manual)

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