1920s / Farm / Tube Radio Universal Power Supply / Battery Eliminator

  

Line isolated, "Universal" A-B-C Battery Eliminator / Power Supply for powering most vintage battery operated or farm tube radios. Selectable "A" (filament) Supply: "A6" (6.0 -6.5V) or "Ax" (1.25-5.5V)- 2.5 Amp. "B" (plate) Supplies: +135V- 80mA, 90V - 60mA, 67.5V - 45mA, 45/22.5V - 5mA. "C" (grid) Supplies: -4.5/ -9/ -22.5V - 2mA.

"A" isolated from "B"and "C" supplies. Two indicators: one indicates power supply is ON, the other indicates radio is also ON and drawing plate current. For use as a universal bench supply OR to provide a permanent power source for battery powered tube radios.

Small size (6.5 x 4 x 2.75) and light weight 28 oz. AC in: 85 - 265V, 50/60Hz (USA plug type A). Operating temperature 0-35 deg C. Thermal overload and short circuit protected. Quiet (no fan, buzz or 60 cycle hum). Includes User Manual and nine conductor cable (see photo). See separate listings for device including built in voltmeter with front panel adjustment of "A" supply (1.25 - 9 V, 2.0 Amp with soft start) and "Battery Consolidator / Voltage Converter" allowing mobile operation, operation without access to AC power (single battery required) or as a battery eliminator (using available linear AC/DC converter).