Fuse Direction for Pass Labs Amp and Preamp


I am going to re fuse my Pass X250.8 and XP-32 with Synergistic Research purple fuses in a couple of days. I was hoping to get advice on a rule of thumb for direction of the fuses. My instinct tells me to start by installing the fuse by the direction of the lettering on the fuses. I am thinking that the direction should be the lettering left to right with the beginning of the lettering facing out of the amp and the end of the lettering facing into the amp. Does this sound right?

128x128mitchb

It’s not a question of truth, it’s a question of weather you keep up with what the heck is really going on. Haven’t you seen great strides in cables alone or are you STUCK in the 1800s. It makes no difference to (I suggest) millions that can and do hear a vast improvement over the last 40 years.

A FUSE in a valve amp that cold starts, may NEVER recover or cool enough to remove the resistance and chaos a bending and heaving thermal wire is offering from a stock fuse. NOT SO in a lot of after market fuses. That bit of thermal overheat I can hear for over an hour in most of my valve amps. The summer time they never recover. I bypass the fuse in the summer because of that reason. I’ve never lost a valve amp or SS amp by doing so.. 50 years. and 100s of amps. The fuse protect the equipment ONLY. Most mechanics know what fuses are. They are the point of preferred failure, certainly not a way to hotrod something.

None the less saying something is hogwash, is hogwash especially when it comes to cables and wire direction. It’s simple, cables sound and work differently in one direction than the other. The reason to condition cabling the direction it is pushed through the dies. It not only matters, it’s the difference weather I buy your STUFF or not.

Ted Denny hasn’t said a word, yet you bring up his products as if YOU tried them. I’d really doubt that one.. Great products at an astronomical price. Still great products with a FULL money back guarantee. There is NO reason for anyone to complain about that.. You don’t KNOW about a product so you get to slam it. No!

So we are clear I’ve NEVER paid more than 200.00 for the best cables on earth, or over 40 dollars for a fuse. That 40 dollar fuse was well dampened with almost instant thermal transfer. In other words, it NEVER had to recover, because it NEVER got hot..

It would be kind of silly to imply a 5 cent piece of thermal wire made no difference, you ever put a radial tire on backwards? Direction matters.. Even crazy GK new that.

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It’s funny that us audiophiles sometimes believe we understand electronics better than electrical engineers do. If DCS, Pass, and other good brands ship their products with standard cables and fuses - shouldn’t we be able to reject the urge to upgrade those?

The fuse needs go in correctly or it will blow! If you put the fuse in backwards it will suck!

It didn't take long before the trolls, name dropping and appeals to authority came up. They make very poor substitutes for actually trying them. 

All the best,
Nonoise