• Country
• United States of America (USA)

• Manufacturer / Brand
• Radio Engineering Labs. (REL); Long Island City (NY)

• Year
• 1950 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 52471

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

• Number of Tubes
• 10

• Valves / Tubes
• 7F8 7F8 7AG7 7AG7 7AG7 7AG7 7A6 7AG7 7C7 7C5

• Main principle
• ZF/IF 10700 kHz

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt

• Loudspeaker
• - For headphones or amp.

• Power out
• 4 W (unknown quality)

• from Radiomuseum.org
• Model: 648 - Radio Engineering Labs. REL;

• Notes
• Band 1: 88 to 108 mc
  Band 2: 44 to 50 mc

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Author
• Model page created by Peter Rutishauser. See "Data change" for further contributors.

• Other Models

• Here you find 23 models, 11 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Engineering Labs. (REL); Long Island City (NY)