• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1970

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 214371

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.

• Details
• Hi-Fi equipment

• Power type and voltage
• Alternating Current supply (AC) / 110; 117; 130; 220; 240 Volt

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

• Power out
• 70 W (unknown quality)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stereo Receiver SX-990 - Pioneer Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 459 x 145 x 369 mm / 18.1 x 5.7 x 14.5 inch

• Notes
• Pioneer Stereo Receiver Model SX-990.
  2x 35 watts into 8 ohms, THD<0,5%, 10 - 100000Hz.
  Bass-, Treble-Control, Loudness, High- and Low(SubSonic)-Filter.
  Tuning Range FM 87,5-108MHz, AM 525-1605kHz.
  Inputs: Phono (MM und MC), Tape, AUX.
  Design: Front Silver.

• Net weight (2.2 lb = 1 kg)
• 11.4 kg / 25 lb 1.8 oz (25.11 lb)

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

• Other Models

• Here you find 1144 models, 1129 with images and 201 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Pioneer Corporation; Tokyo