2 x 12AT7 RCA Röhren *Black Plates*D-Getter*
30,38 €
2 x 12AT7 RCA Tubes. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. What were your tubes tested at?. Black plates. Bogey(100%) = 5500/5500 micromhos @ 11.0/11.0 mA +/- 10%.
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