• Country
• Japan

• Manufacturer / Brand
• Onkyo, Osaka Denki Onkyo K.K.; Osaka

• Year
• 1988–1992

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 287661

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 120 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 280 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: Integra Stereo Power Amplifier M-502 - Onkyo, Osaka Denki Onkyo K.K.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 435 x 186 x 423 mm / 17.1 x 7.3 x 16.7 inch

• Notes

• Onkyo Stereo Power Amplifier Model M-502.
  Power output: 140 watts per channel into 8Ω (stereo)
  Frequency response: 20Hz to 20 kHz
  Total harmonic distortion: 0.005%
  Damping factor: 140
  Input sensitivity: 1V
  Signal to noise ratio: 120dB
  Speaker load impedance: 4Ω to 16Ω  

• Net weight (2.2 lb = 1 kg)
• 18.5 kg / 40 lb 12 oz (40.749 lb)

• Mentioned in
• - - Manufacturers Literature (Service Manual)

• Literature/Schematics (1)
• -- Original prospect or advert (Onkyo Catalogue - High Fidelity)

• Author
• Model page created by Franz Scharner. See "Data change" for further contributors.

• Other Models

• Here you find 641 models, 618 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Onkyo, Osaka Denki Onkyo K.K.; Osaka