• Country
• United States of America (USA)

• Manufacturer / Brand
• MILITARY U.S. (different makers for same model)

• Year
• 1943

• Category
• Military Receiver

• Radiomuseum.org ID
• 208431

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

• Number of Tubes
• 7

• Valves / Tubes
• VT-173 VT-171 VT-173 VT-173 VT-172 VT-174 VT-173

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 2 VDC Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: SCR-593 BC-728 - MILITARY U.S. different makers

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 290 x 210 x 220 mm / 11.4 x 8.3 x 8.7 inch

• Notes
• SCR-593 / Radio Receiver BC-728: Alert or Warning receiver used to receive messages on fixed frequencies e.g. in artillery for gun control.
  Four crystal controlled presets in the 2 - 6 MHz range, powered by BB-54A wet cell battery, 7 ft telescopic antenna AN-75A; manual TM-859
  KW-Empfänger mit Batterie-Röhren. 4 mech Rastfrequenzen im Bereich 2 - 6 MHz. Stromversorgung aus 2 V-Akku mit Zerhacker für Anodenspannung.

• Net weight (2.2 lb = 1 kg)
• 7 kg / 15 lb 6.7 oz (15.419 lb)

• External source of data
• Jacobi-Surplushandbuch Band 1

• Mentioned in
• The Surplus Handbook - Receivers and Transmitters (page 45-46)

• Author
• Model page created by Rudolf Müller. See "Data change" for further contributors.

• Other Models

• Here you find 398 models, 350 with images and 210 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from MILITARY U.S. (different makers for same model)