Vintage Tested Good  RCA 6BZ7 Vacuum Tube Precision 612 Tested.

Condition Is Used Tested Good Tube

Tube Passed All Test

Tube Tested At 76/76+ Or Better With A Minimum Being 46/46 And 100/100 Being New

Tube Was Tested On A Calibrated Precision 612 Vacuum Tube Tester

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