• Country
• United States of America (USA)

• Manufacturer / Brand
• National (Technical) Schools, Los Angeles CA-USA

• Year
• 1940 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 324734

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

• Number of Tubes
• 8

• Valves / Tubes
• 6K7 6A8 6K7 6Q7 6U5 or 6H5 25L6 25Z5 25Z5

• Main principle
• Superhet with RF-stage; ZF/IF 465 kHz

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• Material
• Wooden case

• from Radiomuseum.org
• Model: 10X - National Technical Schools,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 570 x 300 x 290 mm / 22.4 x 11.8 x 11.4 inch

• Author
• Model page created by Wilson Gallardo Navarro. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 4 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from National (Technical) Schools, Los Angeles CA-USA