• Country
• Great Britain (UK)

• Manufacturer / Brand
• Armstrong Audio / Wireless & Television / Manufacturing; London

• Year
• 1939 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 371450

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

• Number of Tubes
• 13

• Valves / Tubes
• 6U7 6L7 6J1 6K7 6K7 6H6 6J5 6J5 6J5 6G5 6N6 6N6 5Z4

• Main principle
• Superhet with RF-stage; 3 AF stage(s)

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast, Long Wave and more than two Short Wave bands.

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

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 10 W (unknown quality)

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: Armstrong All-Wave Chassis AW125PP - Armstrong Audio / Wireless &

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 12 x 9 x 10 inch / 305 x 229 x 254 mm

• Notes

• 12‑valve superheterodyne receiver chassis with magic eye.
  Compact all‑wave receiver combining communication‑grade sensitivity with domestic audio performance. 

  Five wavebands covering LW, MW and 3×SW: approx. 24–8.6 MHz, 10–3.5 MHz, 3.75–1.2 MHz, 545–1500 kHz, 158–545 kHz.

  Three‑position selectivity control with variable coupling between IF stages; tone and sensitivity controls across output anodes.

  Push‑pull audio output approx. 10 W, intended for loudspeakers with 1000–1250 Ω field transformer.

• Mentioned in
• Wireless World (The), London (WW, 79) (Jan 5, 1939, pp. 16-18)

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 27 models, 25 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Armstrong Audio / Wireless & Television / Manufacturing; London