• Country
• Singapore

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Singapore (SGP)

• Year
• 1973 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 284333

• Number of Transistors
• 6

• Semiconductors

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

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Dry Batteries / UM-3: 2 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.7 cm = 2.2 inch

• Power out
• 0.15 W (undistorted)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Transonic Solid State Multiband 7712 - Unknown - CUSTOM BUILT:

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 129 x 77 x 35 mm / 5.1 x 3 x 1.4 inch

• Net weight (2.2 lb = 1 kg)
• 0.230 kg / 0 lb 8.1 oz (0.507 lb)

• Author
• Model page created by Rachid Ddaou. See "Data change" for further contributors.

• Other Models

• Here you find 13 models, 12 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Singapore (SGP)