• Country
• Japan

• Manufacturer / Brand
• Sansui Electric Co., Ltd.; Tokyo

• Year
• 1974 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 201663

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

• Number of Transistors
• 28

• 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) / 100; 117; 220; 240 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: AM/FM Stereo Tuner TU-505 - Sansui Electric Co., Ltd.;

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 407 x 115 x 278 mm / 16 x 4.5 x 10.9 inch

• Notes

• A hi-fi AM/FM stereo tuner with an analogue dial housed in a metal case with wooden side panels. With rotary Tuning control, Signal strength meter, FM Stereo indicator, on/off switches for Power, Noise Suppression and FM Muting and a rotary Selector switch (AM, FM Auto, FM Mono). On the back, an adjustable ferrite rod AM antenna, terminals for AM and FM antennae and Ground, RCA Phono sockets for Tape Rec output and Line output, an FM Local/Distant switch and an unswitched AC outlet.

  Specification
  FM SECTION
  TUNING RANGE	88-108MHz
  SENSITIVITY (IHF)	2.5µv
  TOTAL HARMONIC DISTORTION	MONO < 0.6%, STEREO < 0.8%
  SIGNAL TO NOISE RATIO	> 65dB
  SELECTIVITY	> 50dB
  CAPTURE RATIO (IHF)	< 2.5dB
  IMAGE FREQUENCY REJECTION	> 50dB at 98MHz
  IF REJECTION	> 60dB
  SPURIOUS RESPONSE REJECTION	> 60dB
  STEREO SEPARATION	> 35dB at 400Hz
  SPURIOUS RADIATION	< 34dB
  FREQUENCY RESPONSE	30-15,000Hz +1dB,-2.5dB
  ANTENNA INPUT IMPEDANCE	300Ω balanced, 75Ω unbalanced
  ANTENNA ATT.	20dB
  AM SECTION
  TUNING RANGE	535-1,605kHz
  SENSITIVITY (Bar Antenna)	50dB/m
  SELECTIVITY	> 25dB
  IMAGE FREQUENCY REJECTION	> 80dB/m at 1,000KHz
  IF REJECTION	> 80dB/m
  OUTPUT	1V
  TAPE REC OUTPUT	0.4V

  Semiconductors: Transistors 27; FET 1; Diodes 19; IC 1
  Power Requirements: 100, 117, 220, 240V 50/60Hz with voltage selector
  Power Consumption: 16VA (Max.) , 14 Watts (Rated)

• Net weight (2.2 lb = 1 kg)
• 5.5 kg / 12 lb 1.8 oz (12.115 lb)

• Price in first year of sale
• 848.00 DM

• Source of data
• -- Original-techn. papers.

• Literature/Schematics (1)
• - - Manufacturers Literature (Operating Instructions and Service Manual Sansui TU-505)

• Author
• Model page created by Víctor Caselli-Diaconescu. See "Data change" for further contributors.

• Other Models

• Here you find 435 models, 421 with images and 133 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sansui Electric Co., Ltd.; Tokyo