Tubes Asylum

KT150 Reliability Issues

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I had a Zesto Bia 200 Select that ran four KT150s (two per channel) in class A. I lost three of the four in 200 hours or less; one for loss of vacuum and the other two with sparks and loud pop. The amp ended up being too hot for the AZ summers and I sold it with a new quad of KT150s. A costly experiment.
Open up your mind, in pours the trash. - Meat Puppets, 1987


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