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msvelev
7
Jun 30, 2017
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How often do the tubes need to be changed? And where do I buy new ones from?
Jun 30, 2017
Gadgetman
24
Sep 15, 2017
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Tubes last a very long time pre amp one very long can last 10,000 hrs or more power tubes break in after 50 to 100 hrs depending on tubes last 500 hrs and up? give tubes a chance to break in gadget
Sep 15, 2017
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