Vacuum Tube Transmitter Coupler TKAD Tickler Type Transmitting Coupler

Grebe, A.H. & Co.; Richmond Hill (NY)

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  • Year
  • 1919
  • Category
  • Radio module pre 1926 (not a part, not a key)
  • Radiomuseum.org ID
  • 216279
    • Brand: Synchrophase

 Technical Specifications

  • Power type and voltage
  • No Power needed
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Vacuum Tube Transmitter Coupler TKAD [Tickler Type Transmitting Coupler] - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • 1919 Grebe Vacuum Tube Transmitter Coupler Unit Type TKAD - The type TKAD unit is a tickler type for undamped telegraph and telephone transmitters, provided with variable coupling control. The maximum wavelength obtainable with the primary when shunted with a variable capacity of .001 M.F. is 450 meters. Wavelengths up to 355 meters can be reached with the secondary, when shunted with a variable condenser of .0006 M.F.
    All inductances are wound with Litz wire of sufficient capacity to handle 50 watts, on either cellulak tubes or kiln-dried hardwood forms. Standard Grebe construction, with weathered finish quartered oak cabinets, bakelite panels, and dials, Gorton engraved.
  • Net weight (2.2 lb = 1 kg)
  • 6 lb (6 lb 0 oz) / 2.724 kg
  • Price in first year of sale
  • 18.00 $
  • Mentioned in
  • July 1919 National Radio Supply Co. catalog page 38
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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