• Country
• Great Britain (UK)

• Manufacturer / Brand
• Marconi's Wireless Telegraph Co. Ltd.

• Year
• 1920 ??

• Category
• Commercial Transmitter (TX not Transceiver)

• Radiomuseum.org ID
• 306745

• Number of Tubes
• 1

• Valves / Tubes
• MT5 or MT5B

• Main principle
• Transmitter

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

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Transmitter X.A.3.B - Marconi's Wireless Telegraph

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 330 x 300 x 170 mm / 13 x 11.8 x 6.7 inch

• Notes

• Transmitter for professional use

• Net weight (2.2 lb = 1 kg)
• 5.7 kg / 12 lb 8.9 oz (12.555 lb)

• Author
• Model page created by Musée des Radios Museum. See "Data change" for further contributors.

• Other Models

• Here you find 94 models, 92 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marconi's Wireless Telegraph Co. Ltd.