Your original parts are rated for 15A, 130W with an fT of 50MHz.
You can try the latest ON Semi parts, small gain. And remember, a 4 R load is a 4R load. I guess you mean to "crank it". You still have a heatsink sized for the original temperature rise, and the thermal in the power transfomer may go first anyhow. This amp is no toy but it's not a Krell either.
-Chris
You can try the latest ON Semi parts, small gain. And remember, a 4 R load is a 4R load. I guess you mean to "crank it". You still have a heatsink sized for the original temperature rise, and the thermal in the power transfomer may go first anyhow. This amp is no toy but it's not a Krell either.
-Chris
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