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> New rca 6BN8 for b&k 550 600 606 700 707 tube tester
New rca 6BN8 for b&k 550 600 606 700 707 tube tester
Qty 1 nos-new RCA 6BN8 tube for B&K tube testers
Beautiful NOS-NIB-NEW-USA RCA 6BN8 tube, popular for B&K tube tester and also some Radio receivers.
This tube is needed inside your B&K 550, 600, 606, 700, and 707 tube tester for proper calibration/operation of the Grid Emission (leakage) circuitry.
This RCA 6BN8 tube is truly PERFECT NOS-NEW inventory, and has been tested perfect with our own professionally calibrated B&K 707 tube tester, and also without shorts or leakage.
(Tube may vary in appearance/packaging from the photo, depending upon production run.)
