Blowing Fuses. Dennis Had Inspire 300B SET


I was disappointed this evening, as I was listening and all of a sudden I blew a fuse, and I don’t have a manual. I don’t know if the fuse is a fast blowing fuse, or a slow blowing fuse. The one in there is a two amp, and the fuse itself is a zigzag not a straight fuse I replaced it. And it blew again and I saw the rectifier tube had a reaction when I turned it back on. Does anyone have any experience and can anyone give me some advice thank you. 

128x128Ag insider logo xs@2xmoose89

@moose89 -- I would contact Dennis directly with your issue. You can contact Mr. Had at w4usr@att.net or radiom_dr2856nho@members.ebay.com. I have a Dennis Had Inspire 45 Amp and LP3.1 Preamp, and Mr. Had has answered numerous questions for me, usually responding within 24 to 48 hours. He is a very nice guy and is responsive to fans of his gear. My gear was made in 2018 (he signs and dates each piece of gear on the bottom with usually a gold or silver sharpie. I live in Winston-Salem, NC, which is about 80 miles from where Mr. Had lives.

 

A friend of mine has one of Mr. Had's 300B amps paired with a pair of Klipsch Cornwalls.  One of the sweetest sounding combinations I've ever heard.  I am looking at adding one to my collection, but my next purchase is going to be a tube Phono Preamp that Mr. Had builds every now and then.  I have Klipsch Forte's matched with my Inspire 45 (that's another story -- like an idiot I had the 45 hooked up to Polk Audio Monitor 10's before I moved my Forte's; 2 watts a channel into 89 efficiency speakers was NOT SMART!).  

Turn on the amp without the tubes installed. If the fuse blows send the amp in for repair. If not, then there's a 99% chance it's a bad tube.

 

I found a gut-shot of a recent Inspire 300B amp (Steve Huff).

The rectifier is lower/left.

 

 

DeKay