Technics SU-A 40

Data

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

• Other models of the same series:
• Preamplifiers:
• Technics SU-A 40
• Technics SU-A 60
• Technics SU-A 80
• Technics SU-A 200

• Power Amplifier
• Technics SE-A 50
• Technics SE-A 70
• Technics SE-A 100
• Technics SE-M 100

Pictures

• Image: Technics SU-A 40

• Picture: Technics SU-A 40

• Image: Technics SU-A 40