• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1976/1977

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 135217

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Power type and voltage
• Alternating Current supply (AC) / 120; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 40 W (60 W max.)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Receiver SX-550 - Pioneer Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 448 x 141 x 307 mm / 17.6 x 5.6 x 12.1 inch

• Notes

• A stereo hi-fi receiver with an FM/MW tuner and an amplifier with output power 2 x 20 W into 8 ohms, 2 x 30 W into 4 Ohms. Phono inputs for MM cartridge and aux, phono input/output sockets for 2 tapes, DIN input for tape, input jack for microphone, 300 ohm balanced and 75 ohm unbalanced connections for FM antennae, built-in ferrite loopstick AM antenna. Terminals for 2 pairs of loudspeakers, jack for headphones.

• Net weight (2.2 lb = 1 kg)
• 9.4 kg / 20 lb 11.3 oz (20.705 lb)

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

• Mentioned in
• -- Original prospect or advert (1976-77 Pioneer Hi-Fi Stereo catalogue)

• Literature/Schematics (1)
• - - Manufacturers Literature (Service Manual SX-550 dated May 1976)

• Author
• Model page created by Klemens Rhode. See "Data change" for further contributors.

• Other Models

• Here you find 1140 models, 1125 with images and 200 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Corporation; Tokyo