• Country
• United States of America (USA)

• Manufacturer / Brand
• Roland Radio Corporation; Mount Vernon (NY)

• Year
• 1957 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 269707

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

• Number of Transistors
• 6

• Semiconductors
• GT760 GT761 GT760 GT20_USA GT20_USA GT20_USA 1N60

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 6 x AA 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: All Transistor 66 6TR - Roland Radio Corporation;

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

• Dimensions (WHD)
• 4.75 x 6.25 x 2.625 inch / 121 x 159 x 67 mm

• Notes

• This model has both tan and black leather versions.

  See also Firestone 66.

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

• Price in first year of sale
• 60.70 $

• Mentioned in
• Collector's Guide To TrR1 Bunis trans.94 (1966, page 232)

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 347 Folder 15 Date 2-57)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 68 models, 57 with images and 62 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Roland Radio Corporation; Mount Vernon (NY)