• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1992

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 218721

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• PLL, Phase-locked loop

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

• Details
• Remote Control (with wire or wireless)

• Power type and voltage
• Alternating Current supply (AC) / 220-230 Volt

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

• Power out
• 110 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: Stereo Receiver SX-121 - Pioneer Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 420 x 140 x 289 mm / 16.5 x 5.5 x 11.4 inch

• Notes

• Pioneer Stereo Receiver Model SX-121.
  Tuning range: FM, MW
  FM 87,5 - 108MHz
  MW 531 - 1602kHz
  Power output:
  45 Watts per channel into 8 Ohms (Stereo)
  55 Watts per channel into 4 Ohms (Stereo)
  Frequency response: 10Hz to 50kHz
  Total harmonic distortion: 0.07%
  Input sensitivity: 2.5mV (MM), 150mV (line)
  Signal to noise ratio: 71dB (MM), 96dB (line)
  Output: 150mV (line)
  Speaker load impedance: 4Ω (minimum)
  Power Consumption: 290 Watts

• Net weight (2.2 lb = 1 kg)
• 5.3 kg / 11 lb 10.8 oz (11.674 lb)

• Source of data
• -- Original prospect or advert

• Literature/Schematics (1)
• - - Manufacturers Literature (Service Manual ARP2556)

• Other Models

• Here you find 1147 models, 1132 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