• Country
• Great Britain (UK)

• Manufacturer / Brand
• RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 94193

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

• Number of Tubes
• 7

• Valves / Tubes
• ACVP2 ACTH1 ACVP2 TDD4 TV4 or TV4A AC4/Pen UU4

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)

• Wave bands
• Broadcast, Long Wave and Short Wave.

• Power type and voltage
• Alternating Current supply (AC) / 200-250 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 718 AC - RGD Brand, Radio Gramophone

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Dimensions (WHD)
• 420 x 450 x 260 mm / 16.5 x 17.7 x 10.2 inch

• Notes
• Large aeroplane dial, with extra vernier pointer. Magic eye.

• Literature/Schematics (1)
• Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) (403)

• Other Models

• Here you find 148 models, 115 with images and 66 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from RGD (Brand), Radio Gramophone Development Co. Ltd.; Birmingham