(1) Sylvania Jan-chs-6sn7 Gt Vt-231 Radio Tube (2700 And 2375 Microhmos)

US $340

  • Augusta, Georgia, United States
  • May 27th
(1) Sylvania JAN-CHS-6SN7 GT VT-231 Radio Tube rated at 2700 and 2375 Microhmos for Plates 1 & 2. I tested it using a U.S. Army Signal Corps. Triplett I-177B Tube Tester. The Production Code seems to be "G5." Another Stamp of "SC 966A" marks this as a Signal Corps; the lettering is slightly faded on the the letters/numbers "SC 966 A." 1650/1650 are the levels for a new tube of this type so it is over 100% on both of the plates.

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