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In Reply to: RE: Quick fuse Question posted by mktracy on October 30, 2020 at 12:35:23
Thank you @Radio Wonder and @Jonesy for the comments. Guys Im wondering what about replacing the MDQ5A fuse with a 6A, that should cover the turn-on power consumption you think and still protect. What is it about the MDQ fuse that makes it so unique? I looked at its specs but dont really understand how it works any differently. Am I wrong for thinking a boutique 6A fuse will work in the ARC D200 amp?
Follow Ups:
Different brand specs may vary slightly, but for illustrative purposes...
The MDQ fuses will hold their maximum rating for upto 2 minutes before blowing. Standard fuses about 5 seconds. The D200 circuitry is such that MDQ is required.
Inserting a higher value standard fuse will still be 5 seconds, but it won't blow because it can take more current. Unfortinately it also won't protect your amp. It may never blow, inviting failure to parts down the line.
To help settle your curiousity of sound quality, you could put in a higher value standard fuse briefly to see if any sound improvement. The hope being that there isn't any. Because to run anything other than the spec'd MDQ fuse becomes a safety hazard. Sometimes it's better not to know!
The MDQ fuses available appear to mostly be NOS (new old stock). If you purchase any, or even the ones on hand, make sure the end contacts are good and clean. Likewise the fuse holder contacts. That will ensure you are getting the best out of them.
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
@Jonesy Thank you very much for the info on MDQ fuses. Had another member on Agon suggest to just replce with a higher value boutique fuse and be done. Guess Ill clean up the fuse end caps and holder and call it a day.
I think if anyone on AA recommended going to a larger value fuse they would be banned, LOL!
Yes, safety first.
Cheers!
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
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