Matched Pair Cunningham Number / Type 327 C-327 Vacuum Tubes Mesh Plates Globe / Balloon Bottles Other Great Hits 5 volts with adapters (not

5 volts with adapters (not included) and they sound tremendous even though they are running with a lowered filament voltage

new in box GE 6J6 / 6J6A tubes tested to spec on our Paul Hart-calibrated TV7/U

This mesh plate RCA Cunningham Radiotron number 78 tube tested 54 on our Paul Hart-calibrated TV7/U where minimum (65%) is 36 and 100% is 56

74 and 78 where minimum (65%) is 58

This new old stock-TESTING Mullard 6AQ8 ECC85 tube was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Cunningham Number / Type 327 C-327 Vacuum Tubes Mesh Plates Globe / Balloon Bottles Other Great Hits 5 volts with adapters (notThis matched pair of Cunningham C 327 (number type 27) triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 27 for Tube One and 28 for Tube Two where minimum (65%) is 25 and 100% is 38. The tubes have balloon globe bottles; mesh plates; saucer getters; outstanding flashing; stamped engraved bases and mica spacers WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF