Production Year: October 1962 December 1962. TOUGH DOGS. 2 HOLE PLATES. MATCHED SET. Closely Matched Codes: LM LV. I mark every tube in order to avoid tube rolling! EXCL USIVE HIGH FIDELTY TUBE. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.
Item Tag: RCA 6SN7 GTB
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RCA 6SN7 GTB TUBE 1950s TOUGH DOGS 2 HOLE BLACK LADDER PLATES MATCHING SET
Production Year: 1950s. TOUGH DOGS. 2 HOLE PLATES. MATCHED SET. Closely Matched Codes: KC L#. I mark every tube in order to avoid tube rolling! EXCL USIVE HIGH FIDELTY TUBE. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.