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Vintage Matched Pair Sylvania 2A3 Power Tubes - Hickok Tested 4400 at 30/32mA

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(2) GM=4400 @ 32mA. Hickok minimum = 1900. We don’t. Hickok 539C provides a minimum acceptable mutual conductance. Most tube manufacturers provide new tube mutual conductance range(s), and we test to ...
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Time left:26d 17h 48m
Item location:Colorado
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