Sansui AU-7500

Data

General

  • Manufacturer: Sansui
  • Model: AU-7500
  • Made in: Japan
  • Color: Black
  • Type: Stereo integrated amplifier
  • Construction period: about 1972 - 1975
  • Power consumption: 315 W
  • Dimensions: (WxHxD) 440 x 140 x 322 mm.
  • Weight: 12.7 kg
  • Original price approx.: 75'900 Yen (Japan, 1973), 1'668 DM


Connections

  • Number of inputs:
    • Phono 1: 2.5 mV, 50 kOhm.

Phono 2: 2.5 mV, switchable 30 kOhm, 50 kOhm, 100 kOhm

    • Microphone: 2.5 mV, 50 kOhm
    • Tuner: 100 mV, 50 kOhm
    • Aux: 100 mV, 50 kOhm
    • Tape Deck 1 & 2: 100 mV, 50 kOhm

Tape Deck 2 DIN: 100 mV, 50 kOhm

    • 4-channel adapter: 100 mV, 50 kOhm
    • Power amp input: 800 mV, 40 kOhm
  • Number of outputs:
    • Tape Deck 1 & 2 Rec: 100 mV, 1.5 kOhm
    • Tape Deck 2 Rec/Play: 30 mV, 70 kOhm
    • 4-channel adapter, 2-channel output: 100 mV, 1.5 kOhm
    • Preamp Output: 800 mV at 0.08% (Max. Level: 4 V at <0.5% THD)
    • Terminals for 4 speakers


Technical Data

  • Continuous power (at THD)
    • 8 Ohm: 2 x 43W DIN
    • 4 Ohm:
  • Dynamic power
    • 8 Ohm:
    • 4 Ohm: 150W IHF
  • Total harmonic distortion: < 0.1%
  • Attenuation factor: 40 at 8 Ohm
  • Overall frequency response: 5 - 40'000 Hz
  • Signal to noise ratio:
    • Phono 1 & 2: >75 dB
    • Microphone: >60 dB
    • Tuner: >80 dB

Aux: >80 dB

    • Power Amplifier Input: >100 dB
  • Stereo channel separation: >50 dB
  • Noise level: >75 dB
  • Tone control:
    • Bass: ± 15 dB
    • Mids: ± 5 db
    • Treble: ± 15 dB


Special Features

  • Connection for 4-channel adapter
  • 1 tape connection according to DIN.
  • Low Filter
  • High Filter
  • Loudness: + 10 dB at 50 Hz, + 8 dB at 10 kHz
  • Muting: - 20 dB
  • Pre- and power amplifier can be separated


Notes




Pictures

  • Image: Sansui AU-7500

Sansui AU-7500-1.jpg


  • Excerpt from brochure: Sansui AU-7500

Sansui AU-7500-Prospekt-1.jpg


Reports


Links

  • External Link: "Hifi Archive" website: [2]
  • External link: "Audio Heritage, Japan" website: [3]