• Country
• Great Britain (UK)

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

• Year
• 1964–1969

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 113112

• Number of Tubes
• 18

• Valves / Tubes
• 6AM4 6AF4 12AT7 6AK5 12AT7 6BA6 6BA6 6AU6 6AU6 6AL5 6AL5 6AM6 6AU6 12AU7 12AU7 6AM5 6AM5 5Z4G VR150

• Number of Transistors
• 1

• Semiconductors

• Main principle
• Superhet, double/triple conversion; ZF/IF 50000/5200 kHz

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 110; 200; 230 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 2.5 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: 770U/MkII - Eddystone Brand, Stratton and

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

• Dimensions (WHD)
• 425 x 222 x 346 mm / 16.7 x 8.7 x 13.6 inch

• Notes
• UHF Communication Receiver covering 150 - 500 MHz in six bands (150-180 / 180-220 / 220-270 / 270-330 / 330-400 / 400-500 MHz), AM, FM.
  Improved model of 770U in new cabinet and with integrated crystal calibator, linear dial bar, push-pull audio output.
  Several variants with slight differences. 770UMkII/RM rack mount variant.

• Net weight (2.2 lb = 1 kg)
• 23.6 kg / 51 lb 15.7 oz (51.982 lb)

• 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