7140MA, 7140WA Ch= 1-437

• Country
• United States of America (USA)

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

• Year
• 1951 ?

• Category
• Television Receiver (TV) or Monitor

• Radiomuseum.org ID
• 271275

• Picture
• Schematics

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

• Number of Tubes
• 25

• Valves / Tubes
• 6CB6 6J6 6AU6 6BA6 6BA6 6BC5 6AL5 6BF5 12AU7 or 6SN7GT 6AU6 6AU6 6T8 6L6G or 6V6GT 12AX7 6BL7GT 6AL5 6AU6 12AU7 or 6SN7GT 6CD6G or 6BQ6GT 6W4GT 5642 5642 5U4G 5U4G 19AP4A

• Main principle
• Superhet with RF-stage

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• 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: 7140MA, 7140WA Ch= 1-437 - Sylvania Hygrade, GTE, Nilco;

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

• Notes

• Sylvania model 7140WA is a 19” b/w TV with US standard VHF tuner channels 2 thru 13.
  Equipped with chassis 1-437, a VHF tuner and picture tube 19AP4A. Model 7140MA: Mahogany, 7140WA Walnut.

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Set 131, Folder 15, Date 5-51)

• Author
• Model page created by Thomas Wuwer. See "Data change" for further contributors.

• Other Models

• Here you find 1129 models, 458 with images and 1003 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sylvania (Hygrade, GTE, Nilco); Emporium (PA)