• Country
• Great Britain (UK)

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

• Year
• 1954–1961

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 113085

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

• Number of Tubes
• 7

• Valves / Tubes
• UAF42 UCH42 UAF42 UAF42 UL41 UAF42 UY41

• Main principle
• Superhet with RF-stage; ZF/IF 450 kHz

• Wave bands
• Broadcast plus more than 2 Short Wave bands.

• Power type and voltage
• AC/DC-set / 110; 200; 230 Volt

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

• Power out
• 2.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 840A - Eddystone Brand, Stratton and

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

• Dimensions (WHD)
• 425 x 222 x 254 mm / 16.7 x 8.7 x 10 inch

• Notes
• General coverage receiver, covers 480 kHz - 30 MHz in four bands (480-1400 kHz; 1.37 - 3.8 MHz; 3.7-10.6 MHz; 10.5-30 MHz), AM, CW (BFO).
  Similar to 840 / S840, but with new slide-rule dial and logging scale.

• Net weight (2.2 lb = 1 kg)
• 13.6 kg / 29 lb 15.3 oz (29.956 lb)

• Price in first year of sale
• 49.00 GBP

• 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