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I would like use a HIFi supreme fuse in my amp which needs a 7A fuse, problem is there isn't a 7A supreme fuse should I use the 6.3A or the 8 A fuse?
Amp is a ARC VT 100MKIII.
Thanks,
Scott
Follow Ups:
Have you considered silver ceramic fused cryo-treated via full-immersion by Jena Labs?
At $12 or $16 a pop, you'd be hard pressed to find a better performance-oriented fuse and at a reasonable price.
http://www.acmeaudiolabs.com/products.htm
I've tried various fuses, including HiFi Tuning (not the Supremes), and for the past few years I've been using the acme fuses.
I have no affiliation with Acme except as a customer. But having extensive experience with having many cables cryo-treated via vapor and more recently by Jena Labs via the full immersion method, I was very pleased to discover Acme Audio.
My experience with HiFi Tuning fuses has been they are very susceptible to blowing in an over-current situation. They seem to be made to a very tight tolerance. That having been said, the 8A version is about 27% higher rated than the 6.3A and depending on the application, might therefore be a problem.
I took a quick look at the fuses the Cable Company carries and both Isoclean and Audio Magic have a 7A fuse. Unless you're dead set on the Supreme, they might be more appropriate candidates for you.
Just my 2¢ naturally.
Joe
Thanks for your input Joe. I had the original HIFI tuning fuse in my amp and it blew yesterday, I just thought the Supreme would be the next step forward.
The MK I and the MKII versions of my amp used a 6.25A fuse but that was changed to 7A in the MK III version. I know the 6.3A fuse would be the safe way to go but ARC changed to 7A for a reason.
I will look into Isoclean and Audio Magic fuses. Do you have any experience with either of these fuses?
Thanks,
Scott
No, unfortunately I never have heard either.
Another possibility would be the HiFi Tuning Gold XT 6.3A fuse. It's an extra slow blow model made to withstand the transformer power inrush when an amplifier is first turned on. No guarantee it'll hold but I've used them in the past and they are more robust and less likely to trip.
Joe
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