• Country
• United States of America (USA)

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

• Year
• 1956 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 309054

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

• Number of Tubes
• 19

• Valves / Tubes
• 2AF4A 4BQ7A 5AT8 3BZ6 3BZ6 5AM8 6BA8 5U8 3AL5 3AV6 5AQ5 7AU7 6SN7GTB 12W6GT 6SN7GTB 25DN6 12AX4GTA 1B3GT 21ATP4

• 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) / Ø 5.75 inch = 14.6 cm

• Material
• Wooden case

• from Radiomuseum.org
• Model: 21T104 Ch= 1-532-1 - Sylvania Hygrade, GTE, Nilco;

• Shape
• Tablemodel, with any shape - general.

• Notes

• Sylvania model 21T104 Series is a 21" b/w TV with US standard VHF tuner channels 2 thru 13, and 14 thru 83 UHF. Equipped with chassis 1-532-1 , VHF-UHF tuner 323-0067 and picture tube 21ATP4.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 328 Folder 11 dated 9-56)

• Literature/Schematics (2)
• Photofact Folder, Howard W. SAMS (Set 302 Folder 14-S dated 1-56)

• 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)