FOR SALE: 1 X 12AU6 / HF94 TUBE. ALL TUBE TESTED ARE OVER 60%.
Item Tag: 12AU6 HF94
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1 X 12AU6 / HF94 MARCONI TUBE. Four. CH50
FOR SALE: 1 X 12AU6 / HF94 TUBE. NEW OLD STOCK IN ORIGINAL BOX. BRAND: MARCONI GRAY PLATES, HALO GETTER. TESTED IN AMPLITREX AT1000 TUBE TESTERALL TUBES TESTED ARE OVER 80%
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1 X 12AU6 / HF94 ULTRON TUBE. 2. CH50
FOR SALE: 1 X 12AU6 / HF94 TUBE. ALL TUBE TESTED ARE OVER 80%.
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1 X 12AU6 / HF94 TUBE. 5. CH50
FOR SALE: 1 X 12AU6 / HF94 TUBE. ALL TUBE TESTED ARE OVER 70%. TESTED IN AMPLITREX AT1000 TUBE TESTER.
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AMPEREX 12AU6 HF94 VACUUM TUBE NOS NIB ABSOLUTE NEW MINT SINGLE TRANSOCEANIC A42
12AU6 HF94. I have a B&K 747 tube tester. This is a mutual conductance tester. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. The lines show how the tube conducts throughout that range.
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12AU6 NOS 1960s RCA radio audio amplifier vacuum tubes 4 valves tested HF94
Checkout my other tubes!