Stereo Receiver SX-440

• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1969–1971

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 127892

• Picture
• Schematics

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

• Number of Transistors
• 32

• Semiconductors

• Main principle
• Superheterodyne (common); ZF/IF 455/10700 kHz

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

• Details
• Hi-Fi equipment

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

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

• Power out
• 24 W (30 W max.)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Stereo Receiver SX-440 - Pioneer Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 405 x 139 x 358 mm / 15.9 x 5.5 x 14.1 inch

• Notes

• A stereo hi-fi receiver with an AM/FM stereo tuner and an integrated amplifier with output power of 2 x 12 watts RMS into 8 ohms or 2 x 15 watts RMS into 4 ohms. Total music power of 2 × 20 watts (IHF) into 4 ohms. Housed in a metal case (outer wooden cabinet optional) with a front panel made of black scratch-resistant acrylic glass with engraved lettering with black metal buttons. FM input section with FETs and a 3-gang variable capacitor.

  UKW-Eingangsteil mit Feldeffekttransistoren und Dreifachdrehkondensator. Empfindlichkeit: 2,5 µV bei einer Kreuzmodulationsunterdrückung von 96 dB. Mittelwellen-Empfindlichkeit 8 µV. NF-Leistung 2× 20 Watt Musikleistung bei 4 Ohm Anpassungswiderstand.
  Frontplatte aus schwarzem, kratzfestem Acrylglas mit eingravierter Beschriftung und schwarzen Metallknöpfen.

  Specification
  Audio Section
  Rated Power Output (both channels driven)	15W + 15W into 4Ω RMS 12W + 12W into 8Ω RMS
  Music Power Output	40W total (IHF) into 4Ω 33W total (IHF) into 8Ω
  Harmonic Distortion	< 1% (at 1kHz)
  Frequency Response	20Hz - 70kHz ±3dB
  Power Bandwidth	30Hz - 20kHz (AUX)
  Inputs
  Audio Sensitivity (for rated output)
  MAGnetic PHONO TAPE MONITOR AUXiliary	3mv 130mv 130mv
  Output
  Terminals and Jacks	Speakers: 4-16 ohms Stereo headphones jack Simultaneous tape Recording jacks, equipped with TAPE MONITOR switch Tape recording/playback jack (DIN)
  Equalization Curve	PHONO: RIAA
  FM Section
  Frequency Range	87-108MHz
  IHF Usable Sensitivity	2.5µV
  Image Rejection	55dB (at 98MHz)
  S/N Ratio	50dB (IHF)
  Antenna Input	300Ω balanced
  Channel Separation	35dB (at 1kHz)
  AM Section
  Frequency Range	525 - 1605kHz
  IHF Usable Sensitivity	8µV (10µV K version)
  Image Rejection	47dB (at 1000kHz)
  Antenna Input	Built-in ferrite loopstick antenna

  Semiconductors: 1 FET, 31 Transistors, 23 Diodes

  Versions/ Power Requirements

  K	USA, Canada	117V 60Hz
  F, W	General Export	110/117/130/220/240V AC 50/60Hz with voltage selector

  Power consumption:  80 watts max.

• Net weight (2.2 lb = 1 kg)
• 7.7 kg / 16 lb 15.4 oz (16.96 lb)

• Price in first year of sale
• 887.00 DM

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

• Mentioned in
• - - Manufacturers Literature (1970 & 1971 Pioneer Stereo Components catalogues)

• Literature/Schematics (1)
• - - Manufacturers Literature (Installation, Operating and Service manual Pioneer SX-440 K & F/W versions)

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 1147 models, 1131 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