B3291U Ch= 421U

• Country
• United States of America (USA)

• Manufacturer / Brand
• Hoffman Radio Corp.; Los Angeles, CA

• Year
• 1957 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 316910

• Picture
• Schematics

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

• Number of Tubes
• 22

• Valves / Tubes
• 6AF4A 6BN4 6CG8 6BZ6 6BZ6 6AS8 6AW8A 6AU6 6AL5 ECC83 EL84 EL84 6BY6 6BJ8 6CG7 6W6GT 6CG7 6DQ6A 6AX4GT 1B3GT 5V3 21ACP4A

• Main principle
• Superhet with RF-stage

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt

• Loudspeaker
• 3 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: B3291U Ch= 421U - Hoffman Radio Corp.; Los

• Shape
• Console, Lowboy (legs < 50 %).

• Notes

• Hofmann model B3291U is a 21" b/w TV with US standard VHF tuner channels 2 thru 13, and 14 thru 83 UHF. Equipped with chassis 421U, VHF-UHF tuner 712002 and picture tube 21ACP4A.

   

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 378 Folder 3 dated 11-57)

• Author
• Model page created by Dirk Taekels. See "Data change" for further contributors.

• Other Models

• Here you find 927 models, 213 with images and 894 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Hoffman Radio Corp.; Los Angeles, CA