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The 6F28 is an amplifier beam tetrode of high mutual conductance designed for television service and introduced by Thorn-AEI (Mazda) in 1961. It is also known as the EE80. R J Sutherland points out that the tetrode section of the 30FL12 has identical electrical characteristics to the 6F28.
Tube 6F28 or Röhre 6F28 ID29327, Beam Power Tube, Noval, 9 pin miniature (USA pico-9) B9A and Power/Output shown. Radio tubes are valves.
6F28: MAZDA Valves & Picture Tubes Data Bold designators are close or identical, Italic designators are different ratings, different pinouts or different filament voltages. Please see the substitutes at the top of the page for more details
Frame Grid Beam Tetrode. Video Output. 6.3 V, 0.3 A Heater. Base B9A. Rating
LED T8 tube, type B double-ended power, R17D, 28 watts, 3,640 lumens, available in 4000K or 5000K color temperature (CCT), up to 50,000 hours rated life, suitable for wet locations, 5 years limited warranty.
The EDI-APT8-6F28-B R17 is an industry-leading 6-FT, 28W LED T8 Type-B replacement lamp producing 130 lumens per watt. Includes an internal LED Driver with R17D HO end-caps for Double-Ended Power installations. Anti-UV Frosted Polycarbonate Lens for even light transmission and to prevent discoloration. Suitable for replacing 6-FT linear ...
Electrical. Input voltages 120-277V. Type B, to operate without a ballast. Double-Ended Power installations for FA8 or R17D Rotatable end caps. Operating temperatures -4°F to 104°F (-20°C to 40°C). 3640 to 5400 lumens. 120-277V. Double Ended. 4000K or 5000K. 6-FT, 8-FT. Optics. Anti-UV Frosted Polycarbonate Lens or Clear Polycarbonate Lens.
