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RE: Capacitor between DC amp and preamp?

Maybe my first question should be: what do I risk exactly in case of DC? My woofers are fused -thank god, the amp's left channel went "poof" once already, the fuse in the speaker filter melted but the woofer was fine.

Isn't it bad for the power amp if a sudden burst of DC occurs (or a long, small leak of DC)? If it's only the woofers that are in danger, considering mine are fused -and it looks like it's a reliable protection- am i safe to go?

I may seem overly "untrusty" but since I'm using vintage and / or DIY equipment and the amp repair was so much more money than I expected, I'm feeling much more cautious now. Not that the amp's failure had anything to do with the preamp leaking DC (could it be??) but it made me think...



Edits: 02/29/12 02/29/12

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