Technics SU-A 40

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Data[edit]

General

  • Manufacturer: Technics
  • Model: SU-A 40
  • Type: Preamplifier
  • Years of manufacture: 1989 - 1991
  • Made in: Japan
  • Color: Technics Brown
  • Remote control: No
  • Power consumption: 8 W
  • Dimensions: 430 x 103 x 290 mm (WxHxD)
  • Weight: 4 kg
  • Original price approx.: 700 DM


Connections

  • Number of inputs: 6

DAT/Tape 2, sensitivity 75mV Tape 1, sensitivity 75mV

    • CD, sensitivity 75mV
    • Tuner, sensitivity 75mV

AUX, sensitivity 75mV

    • Phono, sensitivity MM 1.25mV, 1kHz, 500mV output level.
  • Number of outputs:
    • 1 Cinch


Technical Data

  • Frequency response: 0.8Hz - 150,000 Hz
  • Distortion factor: <= 0,009%
  • Signal-to-noise ratio:
  • Stereo channel separation:
  • Tone control
    • Bass: ± 5 dB
    • Treble: ± 5 dB
  • Loudness: key
  • Subsonic Filter: 20Hz, button
  • Mute: -20dB, button
  • Mono: yes, button
  • Direct/Line-Straight: yes, button
  • More data at "Hifi Engine": [1]


Special Features

  • Selector switch for IN and TAPE OUT
  • Selector switch for Tape 3 Monitor/External


Technical Details

  • Mains transformer supplies 1x22V~ without center tap
  • One half-wave rectifier each generates +/-27V
  • Internal voltage regulators 78M18, 79M18
  • Semiconductor assembly:
    • Phono input: 4x 2SK369, M5218P, M5219
    • Output: 2xNJM4580, possibly with discrete additional circuitry
    • Others: 2SK389, M5218P


Remarks[edit]



Pictures[edit]

  • Image: Technics SU-A 40

Technics SU-A 40-1.jpg


  • Picture: Technics SU-A 40

Su-a40-Front.jpg


  • Image: Technics SU-A 40

Su-a40-top.jpg


Reports[edit]

Links[edit]