G Equaphase with G-60-S power supply double filter choke

Freshman Co. Inc., Chas.., (Polydyne); New York

Data
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  • Year
  • 1927
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 37911
    • Brand: C.A.Earl

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • TRF without regeneration
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / 105-120 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: G Equaphase with G-60-S power supply [double filter choke] - Freshman Co. Inc., Chas..,
  • Notes
  • Equaphase is featured in an add in "Radio Niews" October 1927 from Chas. Freshman Co., Inc, Freshman Building, New York, page 312. All four models came with four tuned circuits; single drive - one control; full floating tube shelf; drum type illuminated dial - calibrated in wavelengths; solid mahagony cabinet - artisitically highlighted. The Freshman model Equaphase F1 is the cheapest of this family (battery operated table model for $ 70 without speaker), followed by G7 ($ 185), G10 (Low Boy for $ 195), and G4 ($ 225). The Equaphase models G include the model G-60-S power supply unit with one or two filter chokes but the same name.Tubes named UC-226, UX-226, UX-226, UY-227, UX-226, UX-171 and UX-280 - or CX-3.. types. Rider is showing them on page Freshman 1-2 to 1-3 and the battery version together with the Masterpiece on 1-1. Model G10 has a Lift top, fold-down front.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

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