635CSX

Philco, Philadelphia Stg. Batt. Co.; USA

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  • Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 18837

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 460 kHz
  • Wave bands
  • Broadcast plus 2 Short Wave bands.
  • Power type and voltage
  • Alternating Current supply (AC) / 115 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • Power out
  • 5 W (unknown quality)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 635CSX - Philco, Philadelphia Stg. Batt
  • Shape
  • Console: Chairside Radio.
  • Notes
  • The Philco model 635 series (1936) is a follow-on to the 630 series (1935) and very similar in design. The models of the 635 series use a 6-tube 3-band chassis with shadow meter (tuning aid). The bands covered are BC, 1.75-5.8 MHz, and 5.7-18 MHz. A new feature on the 635 chassis is the band indicator, which shows the band in use by moving a lighted dial marker to the appropriate scale on the dial.

    There are four individual models with different cabinet styles. Model 635B is a shouldered tombstone. Model 635X is a console with inclined sounding board and 3 vertical bars in front of the speaker opening. Model 635PF is radio-phonograph floor-type console with phonograph under the top lid. Model 635CSX is a chairside with built-in speaker and with the controls in a T-shaped recess on the top.

    The 37-630 series (1936-37), and the 38-630 series (1937-38) were similar in electrical design, although these later series had updated tube types and different SW band coverage.
  • Price in first year of sale
  • 85.00 $
  • External source of data
  • E. Erb 3-907007-36-0
  • Circuit diagram reference
  • Die «Thali Schemasammlung» führt das Modell.

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