Four-valve receiver

Verwer, L., Radiobouw, Nieuwolda

  • Year
  • 1929 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 129415

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Storage and/or dry batteries / 4 & 45 & 90 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Four-valve receiver - Verwer, L., Radiobouw,
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 470 x 265 x 240 mm / 18.5 x 10.4 x 9.4 inch
  • Notes
  • Front made of bended nickel plated metal sheet. The cabinet is made of oak wood. In the middle a lever that acts as wavelength switch (medium and long wave) and also operates a masking plate in front of the two small windows. In the "low" position, both windows are covered. On the left a volume control knob; on the right the feedback knob. Tuning knobs are situated on the left and right hand sides of the cabinet.
  • Source of data
  • - - Data from my own collection
  • Author
  • Model page created by John Koster. See "Data change" for further contributors.

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