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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 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 circuitry.
This RCA 6BN8 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.
USA = $3.00 US Mail S/H includes email Delivery Confirmation.
