680 680X prototype
Eddystone (Brand), Stratton and Co., Ltd., Eddystone Radio Ltd.; Birmingham
- Country
- Great Britain (UK)
- Manufacturer / Brand
- Eddystone (Brand), Stratton and Co., Ltd., Eddystone Radio Ltd.; Birmingham
- Year
- 1947
- Category
- Commercial Receiver (may include amateur bands)
- Radiomuseum.org ID
- 112999
Click on the schematic thumbnail to request the schematic as a free document.
- Main principle
- Superhet with RF-stage; ZF/IF 450 kHz
- Wave bands
- Broadcast plus more than 2 Short Wave bands.
- Power type and voltage
- Alternating Current supply (AC) / 110, 200, 230 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: 680 680X [prototype] - 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
- Communications receiver covering 480 kHz - 30,5 MHz in five bands, AM, CW (BFO).
This prototype presented at Radiolympia Exhibition proved to generate too much heat and reappeared in 1949, headphone socket on front panel.
- 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