Technics SH-9090

Data

General

• Manufacturer: Technics
• Model: SH-9090
• Type: Mono Equalizer
• Years of manufacture: 1975 - 1979
• Made in: Japan
• Color: Black
• Power consumption: 40 W
• Dimensions: 450 x 173 x 375 mm (WxHxD)
• Weight: 9.2 kg
• Original price approx.: 200,000 Yen (Japan, 1975), 2,200 DM

Connections

• Number of inputs:
  • Input (Mono):
    • Balanced: 1 V / 100 kOhm
    • Unbalanced: 1 V / 50 kOhm
• Number of outputs:
  • Output (Mono):
    • Rated:
      • Balanced: 1 V / 20 Ohm
      • Unbalanced: 1 V / 10 Ohm
    • Maximum: 7 V

Specifications

• Adjustable frequency bands: 10, 30, 60, 125, 250, 500, 1,000, 2,000, 4,000, 8,000, 16,000, 32,000 Hz.
• Center frequencies adjustable from/to:
  • 10Hz : 5Hz...20Hz

30Hz : 15Hz...60Hz 60Hz : 30Hz...120Hz 125Hz : 62,5Hz...250Hz 250Hz : 125Hz...500Hz 500Hz : 250Hz...1Khz 1Khz : 500Hz...2Khz

• • 2Khz : 1Khz...4Khz
• Control range: ± 12 dB (stepless)
• Frequency response:
  • 10 - 30,000 Hz (+0/-0.5 dB).
  • 3 - 80,000 Hz (+ 0/- 3 dB)
• Signal-to-noise ratio: 94 dB
• Signal-to-noise ratio: 90 dB (IHF A)
• Distortion factor: 0.05

Special Features

• Main level control: ± 6 dB (stepless)
• Band level control: ± 12 dB (stepless)
• Control range: ± 1 octave
• Slope adjustment: Q = 0.7 - 7

Remarks

• Single channel (mono), for stereo operation two equalizers are needed

• Other models in the same series:
• Technics SU-8600
• Technics SU-9600
• Technics SE-9600
• Technics ST-9600
• Technics SH-9090
• Technics RS-678 US
• Technics RS-7500 US
• Technics RS-9900 US

Pictures

• Technics SH-9090 mono equalizer x 2

• Technics SH-9090 mono equalizer rear panel

Links

• External link: "Audio Heritage, Japan" website: [[1]]