Description
QUALITY INVENTORY! 4 type 6SK7 metal tubes pro tested strong You are buying 4 tubes 6SK7 made in USA. 2 GE, 1 RCA, 1 Westinghouse. Photos show each tube testing strong on our professionally calibrated B&K 707 mutual conductance tube tester. No shorts or leakage. Popular tubes for many old amps and jukeboxes. [INV12]