21C408 Series Ch= 1-540-4

• Country
• United States of America (USA)

• Manufacturer / Brand
• Sylvania (Hygrade, GTE, Nilco); Emporium (PA)

• Year
• 1957 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 315464

• Picture
• Schematics

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

• Number of Tubes
• 16

• Valves / Tubes
• 4BQ7A 5AT8 3BZ6 3BZ6 3BZ6 12BY7A 5BR8 5T8 5AQ5 3CS6 6CG7 10DE7 12DQ6A 1B3GT 12AX4GT 21CQP4

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 21C408 Series Ch= 1-540-4 - Sylvania Hygrade, GTE, Nilco;

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

• Notes

• Sylvania model 21C408 Series is a 21" b/w TV with US standard VHF tuner channels 2 thru 13. Equipped with chassis 1-540-4, VHF-tuner 54-95604-5 and picture tube 21CQP4.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 374 Folder 17-S dated 10-57)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 389 Folder 4 dated 2-58)

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

• Other Models

• Here you find 1092 models, 455 with images and 958 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)