• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London

• Year
• 1923 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 120831

• Number of Tubes
• 4

• Valves / Tubes

• Main principle
• TRF with regeneration

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Storage and/or dry batteries / 6; 80; Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Wooden case, TUBES VISIBLE.

• from Radiomuseum.org
• Model: V4A - Radio Instruments Ltd. &

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 455 x 380 x 380 mm / 17.9 x 15 x 15 inch

• Notes
• Mayabe identical to RI tabletop 4-valve, GPO Reg.No.0112.

• Net weight (2.2 lb = 1 kg)
• 6.9 kg / 15 lb 3.2 oz (15.198 lb)

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Martin Bösch. See "Data change" for further contributors.

• Other Models

• Here you find 49 models, 43 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London