I've used kapton tape and never had any problems with it. Only power up one half of the amp at a time.
Since it's blown repeatedly, I'd recommend that you do something different this time. At the very least, use only one positive ands one negative rectifier and a limiter (120v lamp) in series with them. Or, you could use a low voltage supply instead of full rail voltage.
Since it's blown repeatedly, I'd recommend that you do something different this time. At the very least, use only one positive ands one negative rectifier and a limiter (120v lamp) in series with them. Or, you could use a low voltage supply instead of full rail voltage.
Do you think the two resistors were the problem?
Do you have the entire amp together or just 1/2?
For a problem amp like this, it would play in my shop for a day or more, at varying levels, at varying temperatures, maybe at different PS voltages. Every time I'd pass it, I'd push/pull/twist transformers and inductors as well as push on the board.
For normal amps, 1-3 hours. It's generally closer to 3 because it gives me time to do other things that I need to do.
Do you have the entire amp together or just 1/2?
For a problem amp like this, it would play in my shop for a day or more, at varying levels, at varying temperatures, maybe at different PS voltages. Every time I'd pass it, I'd push/pull/twist transformers and inductors as well as push on the board.
For normal amps, 1-3 hours. It's generally closer to 3 because it gives me time to do other things that I need to do.
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