• Country
• Great Britain (UK)

• Manufacturer / Brand
• RAP (R.A.P.) Ltd., Radio Acoustic Products; Thames Ditton, Surrey

• Year
• 1946

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 103791

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

• Number of Tubes
• 8

• Valves / Tubes
• 6K7G 6K8G 6K7G 6Q7 6J5G 6V6G 6V6G 5Z4G

• Main principle
• Superheterodyne (common); ZF/IF 365 kHz

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

• Power type and voltage
• Alternating Current supply (AC) / 110-250 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 646 [All versions] - RAP R.A.P. Ltd., Radio

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 390 x 205 x 210 mm / 15.4 x 8.1 x 8.3 inch

• Notes

• Radio with modular chassis with 3 SW bands.

  Chassis Modules

  1. RF1 (6K8G) OR RF2 (6K7G 6K8G)
  2. IF1 (6K7G 6Q7)
  3. Power 1 (6V6G 5Z4G) OR Power 2 (6J5G 6V6G 6V6G 5Z4G)

  The Service manual covers all modules.

  There is also a console version, model 846, utilizing the same selection of Chassis Modules.

  Number of tubes/valves AM tuned stages and AF stages vary according to Modules fitted.

• Net weight (2.2 lb = 1 kg)
• 5 kg / 11 lb 0.2 oz (11.013 lb)

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

• Other Models

• Here you find 22 models, 15 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RAP (R.A.P.) Ltd., Radio Acoustic Products; Thames Ditton, Surrey