• Country
• United States of America (USA)

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

• Year
• 1958 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 325812

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

• Number of Tubes
• 21

• Valves / Tubes
• 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: M3351 Ch= 422 - Hoffman Radio Corp.; Los

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

• Notes

• Hoffman model M3351 is a 21" b/w TV with US standard VHF tuner channels 2 thru 13. Equipped with chassis 422, VHF tuner 710001 and picture tube 21ACP4A.

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

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 398 Folder 5 Production Changes Bulletin 208 dated 5-58)

• 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