• Country
• Hong Kong

• Manufacturer / Brand
• Unknown - CUSTOM BUILT: Hong Kong (HK)

• Year
• 1970 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 265236

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

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

• Power type and voltage
• Line / Batteries (any type) / 117 / UM3: 4 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Mason - Solid State AM/FM 1900 - Unknown - CUSTOM BUILT: Hong

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 5 x 7.5 x 3 inch / 127 x 191 x 76 mm

• Notes

• Made in Hong Kong.

• Net weight (2.2 lb = 1 kg)
• 2 lb (2 lb 0 oz) / 0.908 kg

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 816 models, 724 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Unknown - CUSTOM BUILT: Hong Kong (HK)