Onkyo TX-31

Data

General

• Manufacturer: Onkyo
• Model: TX-31

Type: Receiver

• Years of manufacture: 1982 - 1984
• Made in: Japan
• Color: Silver
• Remote control: no
• Power consumption:
• Dimensions: 418 x 112 x 391 mm (WxHxD).
• Weight: 8,5 Kg
• Original price approx.: 700 DM

Connections:

• Number of inputs: 3
  • Phone: 2,5 mV 50 kOhm
  • Tape 1: 150 mV 50 kOhm
  • Tape 2: 150 mv 50 kOhm
• Number of outputs: 5
  • Speaker A
  • Speaker B
  • Rec Out 1
  • Rec out 2
  • Headphones (6.3 mm jack)

Technical Data

Amplifier:

• Continuous power (at distortion):
  • 8 Ohm: 2 x 30 Watt

4 Ohm: 2 x 45 Watt

• Total harmonic distortion: 0.06 % at 30 Watt into 8 Ohm
• Attenuation factor: 35 into 8 ohms
• Frequency response: 20- 20,000 Hz (± 1 dB)

Signal-to-noise ratio: Phono 85 dB, Tape 95 dB

• Stereo channel separation:
• Tone control:
  • Bass: ± 12 dB at 100 Hz

Treble: ± 10 dB at 10 kHz

• Loudness:
  • + 9 dB at 40 Hz
  • + 5 dB at 20 kHz

Tuner:

• Reception: FM / AM
• FM frequencies: 87.5 - 108 MHz
• Frequency response: 30- 15.000 Hz
• Input sensitivity:
  • Mono: 2.2 µV

Stereo: 5 µV

• Distortion factor:
  • Mono: 0.2 %

Stereo: 0.4

• Signal-to-noise ratio:
  • Mono: 71 dB

Stereo: 66 dB

• Channel separation: 55 dB
• AM frequencies: 525 - 1,620 kHz
• Input sensitivity: 30 µV
• Distortion factor: 0.8

Comments

• Other models in the same series:
• Onkyo TX-11
• Onkyo TX-21
• Onkyo TX-31
• Onkyo TX-41
• Onkyo TX-51
• Onkyo TX-61

Pictures

• [[Picture: Onkyo TX-31