• Country
• Great Britain (UK)

• Manufacturer / Brand
• Eddystone (Brand), Stratton and Co., Ltd., Eddystone Radio Ltd.; Birmingham

• Year
• 1947–1949

• Category
• Amateur-Receiver (amateur bands, may include broadcast bands)

• Radiomuseum.org ID
• 112996

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

• Number of Tubes
• 9

• Valves / Tubes
• EF39 ECH35 EF39 EF39 6Q7GT 6V6GT EB34 EF39 6X5GT

• Main principle
• Superhet with RF-stage; ZF/IF 1600 kHz

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Alternating Current supply (AC) / 110-230 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: 640 - Eddystone Brand, Stratton and

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

• Dimensions (WHD)
• 426 x 222 x 254 mm / 16.8 x 8.7 x 10 inch

• Notes
• Shortwave receiver covering 1,7-32 MHz in three bands (1,7-4,5 MHz, 4,5-12,6 MHz, 12,6-32 MHz), AM, CW (BFO);
  optional separate speaker, 669 S-meter and 687 6V accumulator.

• Source of data
• Shortwave Receivers - Past & Present (3rd ed.)

• Mentioned in
• Eddystone User Group: Quick Reference Guide

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 255 models, 125 with images and 46 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Eddystone (Brand), Stratton and Co., Ltd., Eddystone Radio Ltd.; Birmingham