Amp, Speakers & Idiot - Fixing a guitar amp with $4 of auto parts. Also testing 3 speakers.

This video is about my saga trying to fix my old (1988) Carvin SX-100 guitar amp with an annoying buzz. It sounded like a blown speaker but was it? I've been working at solving this for about 1 month and bought 2 different speakers.
I also test 3 different 12" guitar speakers: the original factory Carvin "Vintage" VL12 (100 watts RMS, Eminence, made in USA), a 5 Core SP12135 (100 watts RMS, made in India) and an Electro-Harmonix 12VR8 (75 watts RMS, made in China). Do any of them cause buzzing? Or did my stupid simple fix work?
NOTE: I am not a pro lead guitar player. I'm a rhythm player and lead vocalist. Any comments like "your guitar playing sux" will be taken down. It's irrelevant to the video. This is more of a problem solving and illustration adventure.
I am not sponsored or compensated by anyone. I'm just an older dude playing with toys.
#5Core #Carvin #Schecter #Digitech #Electro-Harmonix

[@joanarling]

From an old gal to an old guy: No, you're not an idiot. It would have taken me quite some time and depair to find the source of the problem. I mean, a broken nut??? Never heard of that before. But the fact that the speaker functioned perfectly when hooked up to your stereo rig should have rung a bell (didn't with me either). However, you fixed it, that's the main thing. As to the speakers, I liked the original one best. It had the trebles needed to make a guitar sing, the other two sounded rather dull in comparison (of course, YT-compression plus my own rig -- not HiFi -- might have influenced what I heard). Also, though off-topic, I like that you are searching for rather clean sounds. There are those who stack 2 or 3 overdrive pedals -- shudder! So thank you for using the opportunity to show us three different speakers, it was very interesting. Cheers!

[@geldner]

Thanks for the good words. Yeah the solution was sure obscure since all of the chassis nuts "felt" like they were gripping OK. I think the Carvin speaker benefits greatly from having "loosened up" over time. The E-H speaker was very crisp but reasonably balanced and, being new, would certainly do better with some playing time. If I had a tone generator I could have run some sweeps for 2 hours that would have helped both the E-H and 5 Core sound less brittle. But they weren't bad for $45 and $33 respectively. :D