Thread: High Voltage problem
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Old 03-04-2017, 06:45 PM
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VA561 VA561 is offline
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Join Date: Apr 2010
Location: norfolk,virginia
Posts: 210
Just ordered n.o.s. 6BK4A-B and 3AT2 tubes. Is it ok to use a 6BK4A-B in place of the 6BK4?
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