• Country
• Great Britain (UK)

• Manufacturer / Brand
• Burndept Ltd. London

• Year
• 1923–1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 74486

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

• Number of Tubes
• 4

• Valves / Tubes
• DE3 DE3 DE5 DE5

• Main principle
• TRF with regeneration

• Tuned circuits
• 2 AM circuit(s)

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

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

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ethophone V No. 507 Mark II - Burndept Ltd. London

• Shape
• Tablemodel, Box - most often with Lid (NOT slant panel).

• Dimensions (WHD)
• 550 x 270 x 300 mm / 21.7 x 10.6 x 11.8 inch

• Notes
• 6 Volt valves(=Mark II?) Wave change by plug in coils.
  Also with 6 Volt valves(=Mark II?): PM5 PM5 PM6 PM6.

• Price in first year of sale
• 38.00 guineas

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

• Literature/Schematics (4)
• April 14, 1923 The Wireless World & Radio Review page v

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 93 models, 61 with images and 28 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Burndept Ltd. London