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Old Gibson Forever Blowing Fuse


zozoe

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Good day all~ I'm writing on behalf of a dear buddy & phenomenal, award winning pro guitarist who has this olde as the hills (late 50))  amp that is forever blowing fuses, most of the time upon turn-on. I hooked him up with a literal old geezer (but 2 yrs younger than me🤔 & the sweetest guy) who can fix & rebuild anything from an old Crosley radio to a large LCD, & modern day 400 wpc Phase Linear ss amp, circuit board, HW, & even fixed my ultra high-end SACD everything player that needed a $20 laser replaced. To date, he's built me almost 10 tweed killers made from old 40 & 50's mono power/P.A. amps, w/or w/o schematics, & then custom tailor & tweak each project to my tastes,,, He's worked on that rather basic Gibson 3 or 4 times, doesn't blow fuses on his bench,  but my buddy gets it home, plays for a minute, sometimes an hour, & the amp invariably pops a fuse... No smoke or flames, just proper value fuses...  Me & my genius tech are vexed, while my bud is super frustrated, & at his wits end!! Since I'm the blogger, I thought I'd reach out to all you folks who mostly know more 'All Things Amp' than I ever could handle. So, olde Gibson, great sound, pretty as hell, but has it out for fuses. I know enough to almost be dangerous under the hood, & I could easily follow along with any suggestions or fixes. Sorry for the ramblin' post, but I wanted to give some background. 
Thanks in advance, & stay well everyone!!
🕉🎶

Edited by zozoe
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On 3/30/2021 at 2:14 AM, zozoe said:

Good day all~ I'm writing on behalf of a dear buddy & phenomenal, award winning pro guitarist who has this olde as the hills (late 50))  amp that is forever blowing fuses, most of the time upon turn-on. I hooked him up with a literal old geezer (but 2 yrs younger than me🤔 & the sweetest guy) who can fix & rebuild anything from an old Crosley radio to a large LCD, & modern day 400 wpc Phase Linear ss amp, circuit board, HW, & even fixed my ultra high-end SACD everything player that needed a $20 laser replaced. To date, he's built me almost 10 tweed killers made from old 40 & 50's mono power/P.A. amps, w/or w/o schematics, & then custom tailor & tweak each project to my tastes,,, He's worked on that rather basic Gibson 3 or 4 times, doesn't blow fuses on his bench,  but my buddy gets it home, plays for a minute, sometimes an hour, & the amp invariably pops a fuse... No smoke or flames, just proper value fuses...  Me & my genius tech are vexed, while my bud is super frustrated, & at his wits end!! Since I'm the blogger, I thought I'd reach out to all you folks who mostly know more 'All Things Amp' than I ever could handle. So, olde Gibson, great sound, pretty as hell, but has it out for fuses. I know enough to almost be dangerous under the hood, & I could easily follow along with any suggestions or fixes. Sorry for the ramblin' post, but I wanted to give some background. 
Thanks in advance, & stay well everyone!!
🕉🎶

Do a test:
Try connecting the power to an UPS (one of those for desktop PCs). Maybe it's just unstable electricity in the house...

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