• Country
• Japan

• Manufacturer / Brand
• Pioneer Corporation; Tokyo

• Year
• 1979

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 213836

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

• Number of Transistors
• 9

• 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) / 110; 120; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Various materials

• from Radiomuseum.org
• Model: Stereo Tuner TX-608 - Pioneer Corporation; Tokyo

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 451 x 151 x 284 mm / 17.8 x 5.9 x 11.2 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial housed in a vinyl wood finish case. With signal strength and tuning meters, Stereo indicator, Function switch (FM, AM), FM Muting On/Off switch, built-on adjustable ferrite loopstick AM antenna, terminals for AM and FM (300 ohm balanced and 75 ohm unbalanced) antennae, RCA phono Line Output sockets. and on the US model an FM De-Emphasis switch (25µS/75µS).

  Specification
  Semiconductors	ICs 3, FET 1, Transistors 8, diodes 15
  FM Section
  Usable Sensitivity	Mono: 10.8dBf (1.9µV)
  50dB Quieting Sensitivity	Mono: 15dBf, Stereo: 38dBf
  S/N Ratio at 65dBf	Mono: 80dB, Stereo: 74dB
  Distortion at 65dBf:
  100Hz   1kHz   6kHz	Mono:  0.1%, Stereo: 0.2% Mono:  0.1%, Stereo: 0.2% Mono:  0.15%,  Stereo: 0.25%
  Capture Ratio	1.0dB
  Alternate Channel Selectivity	60dB
  Stereo Separation	40dB  (1 kHz), 35dB (30Hz-15kHz)
  Frequency Response	20Hz-15kHz +0.5dB,-1.0dB
  Spurious Response Ratio	70dB
  Image Response Ratio	60dB
  IF Response Ratio	80dB
  AM Suppression Ratio	55dB
  Muting Threshold	17.2dBf (4.0µV)
  Antenna Input	300Ω balanced, 75Ω unbalanced
  AM Section
  Sensitivity:	(IHF, Ferrite antenna) 300µV/m (IHF, Ext. antenna)    15µV
  Selectivity	35dB
  S/N Ratio	50dB
  Image Response Ratio	40dB
  IF Response Ratio	70dB
  Antenna	Built-in ferrite loopstick antenna
  Audio Section
  Output Level/Impedance:	650mV/4.3kΩ (FM 100% MOD)

  Versions/Power Requirements

  KU	U.S.A. model	120V only
  HE	Europe model	220V and 240V (internally switchable)
  HB	United Kingdom model	220V and 240V (internally switchable)
  HP	Oceania model	220V and 240V (internally switchable)
  S	General export model	110V, 120V, 220V and 240V (with voltage selector)
  S/G	U.S. military model	110V, 120V, 220V and 240V (with voltage selector)

  Power consumption:  14 W

  Similar to the Pioneer TX-6800 Stereo Tuner (US model).

  Made in Japan and Belgium

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

• Source of data
• - - Manufacturers Literature

• Mentioned in
• -- Original prospect or advert (1979/80 Pioneer Hi-Fi Stereo catalogue)

• Literature/Schematics (1)
• - - Manufacturers Literature (Service Manual TX-6800 TX-608 dated May 1979)

• Author
• Model page created by Víctor Caselli-Diaconescu. 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