Just in at Tone Chasers Music is this matched pair of 1950s Sylvania 6SN7GTBs. This pair tested GOOD on our newly calibrated Eico 666 tube tester (TUBE 1 - side one-96/140 - side two 92/140. TUBE 2 - side one-95/140 - side two 100/140) and have been checked for shorts and leaks. Tested, functional and as pictured. Please contact us about combined shipping and matched sets.

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