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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: Tweaking subwoofer amp - Is it worth it?

195.133.132.71

First, does the amp have a power supply regulator? Anyway,

Diodes: what is good for tube amp is not good for SS one. Shottkies should be much better than HEXFREDs in this case. You may use significantly underrated ones for lower PSU impedance, just keep in mind their very high reverse current.

Caps: Not a simple question. Increasing the capasitance has some drawbacks, first, higher start-up current and second, higher current peaks in the power transformer and further in the power lines.

Also: I don't think using the output of a tube amp loaded with a speaker is a good idea. Especially if you remove NFB.

Lesha



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