Vacuum Tube Adjustable Inductance TLAD Four Point Adjustable Inductance

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
  • 216277
    • 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 Adjustable Inductance TLAD [Four Point Adjustable Inductance] - Grebe, A.H. & Co.; Richmond
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Notes
  • 1919 Grebe Vacuum Tube Transmitter Adjustable Inductance Type TLAD - The Type TLAD unit is arranged for use with the TKAD Tickler Coupler Unit for use in radio telephone and undamped telegraph transmission. When connected in series with the secondary of the TKAD and the two are shunted with a variable capacity of .0006 M.F. wavelengths oscillations can be produced of varying wavelengths up to 750 meters. It is provided with a four point switch as shown in the illustration.
    All inductances are wound with Litz wire of sufficient capacity to handle 50 watts, on either cellulak tubes. 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
  • 17.00 $
  • Mentioned in
  • July 1919 National Radio Supply Co. catalog page 39
  • Author
  • Model page created by Alan Larsen. See "Data change" for further contributors.

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