Matched Pair RCA Radiotron Number / Type 76 #76 Vacuum Tubes CRC38233 Milspec This new old stock-testing Coronado-BRANDED

This new old stock-testing Coronado-BRANDED

new in box (one total) / new old stock-testing (six total) RCA 6CD6G and 6CD6GA tubes tested as follows on our Paul Hart-calibrated TV7/U:

bottom D getters and 280 2-48 as well as 280 4-26 provenance/date codes

anode radiators for cooler performance and longer life

Tube One measured 73/74 while Tube Two measured 78/75 where minimum (65%) is 50/50 and 100% is 77/77

Matched Pair RCA Radiotron Number / Type 76 #76 Vacuum Tubes CRC38233 Milspec This new old stock-testing Coronado-BRANDEDThis matched pair of RCA type 76 triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 50 for Tube One (RCA Cunningham Radiotron, engraved base) and 54 for Tube Two (RCA Radiotron, silkscreened base) where minimum (65%) is 36 and 100% is 55. These tubes have black, rounded plates; round top mica and rectangular bottom spacers; mica snubbers (for lowered