Technics SU-A 4

Data

General

• Manufacturer: Technics
• Model: SU-A 4
• Type: Preamplifier
• Years of manufacture: 1980 - 1983
• Made in: Japan
• Color: Black
• Power consumption: 70 W
• Dimensions: 430 x 97 x 360 mm (WxHxD)
• Weight: 8.8 kg
• Original price approx.: 1'900 DM

Connections

• Number of inputs:
  • Phono MM: 2.5 mV / 47 kOhm
  • Phono MC: 0,1 mV / 47 Ohm
  • Tuner: 150 mV / 47 kOhm

Aux: 150 mV / 47 kOhm

• • Tape In: 150 mV / 47 kOhm
• Number of outputs:
  • Tape Out
  • Pre Out

Specifications

• Frequency Response:
  • Phono: RIAA standard ± 0.15 dB

High level: DC - 20'000 Hz (+ 0 dB, - 0,1 dB)

• Distortion factor: 0.005 %
• Signal-to-noise ratio:
• External voltage spacing: (nominal power)
  • Phono MM: 79 dB
  • Phono MC: 73 dB
  • Tuner/Aux: 98 dB
• Tone control
  • Super Bass: 20 Hz, 0 - +12 dB
    • adjustable from 50 - 200 Hz

Bass: 50 Hz, ± 5 dB

• • Treble: 20 kHz, ± 5 dB
  • Super treble: 50 kHz, ± 10 dB
• Loudness:
• High Filter: no
• Low Filter (Subsonic): 20 Hz, -12 dB/oct.

Special Features

• Gold-plated Cinch connectors

Remarks

• Other models of the same series:
• Technics preamplifier
  • Technics SU-A 2
  • Technics SU-A 4
  • Technics SU-A 6

• • [[Technics power amplifier
  • Technics SE-A 1
  • Technics SE-A 3
  • Technics SE-A 5

Pictures

• Image: Technics SU-A 4

• Excerpt from brochure: Technics combi SU-A 4 / SE-A 3

Links

• Report at "Adrian Kingston": [[1]]