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45 tube pair power tubes black plate silver foil getter silvertone royal valve:
$299.00
2 tubes 45 tested on tube tester Funke W19S
test results
tube 1 = 11,5mA Super Silvertonetube 2 = 10,5mA Royal engraved base(reference good at 9mA)
tested also on tube tester TV7D/U
tube 1 = 70Super Silvertonetube 2 = 68Royal engraved base
(reference good at 46)
box 167pair 2
