• Country
• United States of America (USA)

• Manufacturer / Brand
• Scott Radio Labs.(E.H., Transformer); Chicago (IL)

• Year
• 1949 ?

• Category
• Miscellaneous (Other, Various) - see notes

• Radiomuseum.org ID
• 234515

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

• Number of Tubes
• 1

• Valves / Tubes
• 6SN7GT

• Wave bands
• - without

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Picture Tube Protection Unit 2L4133 - Scott Radio Labs.E.H.,

• Shape
• Chassis only or for «building in»

• Notes

• Picture tube protection unit for Scott models 6T11, 6T11A, 400 and 800BT, for use in conjunction with the projector tube 3NP4.

• Mentioned in
• Photofact Folder, Howard W. SAMS (Production Changes Bulletin 4, Suppl. Set 52, Folder 19)

• Other Models

• Here you find 201 models, 126 with images and 51 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Scott Radio Labs.(E.H., Transformer); Chicago (IL)