• Country
• Hong Kong

• Manufacturer / Brand
• Suma (Coronet Industries Ltd.); Hong Kong

• Year
• 1964 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 111680

• Number of Transistors
• 7

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Dry Batteries / 3 × 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: TR7-L - Suma Coronet Industries Ltd.;

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

• Dimensions (WHD)
• 160 x 95 x 40 mm / 6.3 x 3.7 x 1.6 inch

• Notes
• Transistors: 2SA49, 2× 2SA52, 2SA53, 2SA54, 2× 2SA56.

• Net weight (2.2 lb = 1 kg)
• 0.5 kg / 1 lb 1.6 oz (1.101 lb)

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

• Other Models

• Here you find 3 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Suma (Coronet Industries Ltd.); Hong Kong