Balkite "B" Supply BII (BH) (B2)

Fansteel Products (Pfanstiehl, Pfansteihl, Balkite, Balkeit); Chicago

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  • Year
  • 1924
  • Category
  • Power supply/conditioner or battery or charger 
  • Radiomuseum.org ID
  • 160663
    • alternative name: Balkeit || First National
    • Brand: Overtone

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

 Technical Specifications

  • Wave bands
  • - without
  • Power type and voltage
  • Alternating Current supply (AC) / 110-120 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Balkite "B" Supply BII - Fansteel Products Pfanstiehl,
  • Dimensions (WHD)
  • 6.25 x 9 x 7.5 inch / 159 x 229 x 191 mm
  • Notes
  • Riders mixes up the spelling. BH (as in schematic) is not correct, but the listing shows BII(roman 2) which is also seen in original ads.
    Output 40 mA at 90 / 45 / 22.5 Volts.
    Note: this model is BALKITE (not Balkeit)!
    Balkeit, Balkite, Pfanstiehl are put together to Fansteel. Advertising slogan: "Will fit any set including those of 10 tubes or more". In the Dec.1925 ad this is reduced to "... 8 tubes and more". That may have taken in consideration the increasing use of more powerful output tubes. Price in Canada: $ 75
  • Price in first year of sale
  • 55.00 $
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)
  • Literature/Schematics (1)
  • Ad in Radio News, Dec 1925, p.865

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