(4) RCA made 6SL7GT (one is a JAN VT-229) twin triode audio tubes

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Here are (4) RCA made in USA elevated plate style 6SL7GT twin triode's that I have tested on my TT-1 Mutual Conductance tester . One is a JAN VT-229. The minimum for a good tube on this tester is 1040 with 1600 transconductance per tube manual for new tube at 250 volts. These tubes test: 1800/1700, 1750/1750, 1800/1800 and 2000/1800. I guarantee these tubes are useable and will combine shipping with your other winning bids .