• Country
• Japan

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

• Year
• 1979 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 140369

• 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) / 220 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ultimate Stereophonic Preamplifier P-303 - Onkyo, Osaka Denki Onkyo K.K.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 450 x 83 x 330 mm / 17.7 x 3.3 x 13 inch

• Notes
• ONKYO P-303 Preamplifier
  Distortion: 0.006% MC preamplifier integrated Phono Headroom: 330 mV Frequency response tuner / tape: 3.5 Hz-200 kHz Signal to noise ratio: 100 dB

• Net weight (2.2 lb = 1 kg)
• 6.5 kg / 14 lb 5.1 oz (14.317 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Peter Böhm. See "Data change" for further contributors.

• Other Models

• Here you find 639 models, 616 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