[sdiy] sources of hum and hiss in a solid state guitar amp (LM1875) (slightly OT)
Ken Stone
sasami at hotkey.net.au
Sun Aug 13 00:29:54 CEST 2006
>Try swapping all the resistors for metal film first, ESPECIALLY in the
>preamp. You might be totally
>surprised.
I did this in my noisy old Wurli piano. The result - dead silence.
Absolutely amazing. It is worth while using 1% metal film for everything
these days.
Ken
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