Audion Receiving Set A-506

Murdock, WM.J. Co.; Chelsea

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  • Year
  • 1913 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 141112
    • alternative name: William J. Murdock Co.

 Technical Specifications

  • Number of Tubes
  • 1
  • 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
  • Loudspeaker
  • - For headphones or amp.
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Audion Receiving Set A-506 - Murdock, WM.J. Co.; Chelsea
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 18 x 12 x 9 inch / 457 x 305 x 229 mm
  • Notes
  • Murdock Audion Receiving Set No.506;
    Enhanced No.505 set features: Loose coupler with slider on primary coil and 6 times tapped on secondary coil, No.510 7-step loading inductance, variable condenser, rotary variable secondary condenser, silicon detector, testing buzzer with battery, mahogany base,
    No. 506 additional features:
    audion detector with high voltage battery and rheostat, rotary switch which permits change from silicon detector to audion and vice-versa.
    Price: US$ 80, with cover US$ 85, set without phones US$ 70, set with 3.000 ohm No.55 phones US$ 75. This set was offered with a mahogany dust cover for an additional $10.00.
  • Price in first year of sale
  • 77.50 $
  • Mentioned in
  • - - Manufacturers Literature (Murdock Apparatus Catalogue No.14)
  • Literature/Schematics (2)
  • -- Original prospect or advert (William Duck Co. 1914 Catalog No. 8 page33)
  • Author
  • Model page created by a member from A. See "Data change" for further contributors.

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