So, I got to working a bit deeper on an amp (Peavey Classic 30) that a friend left me in hope of having it repaired (original thread here)
So, I got the wonderfully "user-friendly" U-shaped board out of the frame and took a good look at it. All the components seemed to be in great shape but I took a look at all the solder joints on the "inside" and found that 3 joints were cracked (see circled joints on the attached pic). Turns out they were joints that linked the two resistors Glassman told me to look at first... impressive. Once I got these resoldered solidly, I put the amp back together and voilà: perfectly running like it should be.
I owe a big thank you to glassman for his help and insight with this repair. It's quite impressive to me that he could spot where I should look without seeing the amp, just by the not-so-good description I gave of the symptoms.
I attached a few pics of the board itself to give you fellas an idea of the fun it is to work on such a board. It's a great design space-wise but when it comes to work in there, it's a bit crowded...
Oh BTW: this friend always played a Metalzone over the clean channel of the amp being unhappy with the amp's natural overdriven tone. He got a very meh metal tone out of this set up.
After getting it back together I played it for a while and man... that thing rips. When the gain is dimed it sounds really really good. Great definition on riffs, not too tight and bright and sparkly. I'm quite impressed. Knowing that this friend is far from a gear-head, I'm tempted to demo his amp to him just for the fun of it. I think I may have to get one of these things for myself now. Durnit...
So, I got the wonderfully "user-friendly" U-shaped board out of the frame and took a good look at it. All the components seemed to be in great shape but I took a look at all the solder joints on the "inside" and found that 3 joints were cracked (see circled joints on the attached pic). Turns out they were joints that linked the two resistors Glassman told me to look at first... impressive. Once I got these resoldered solidly, I put the amp back together and voilà: perfectly running like it should be.
I owe a big thank you to glassman for his help and insight with this repair. It's quite impressive to me that he could spot where I should look without seeing the amp, just by the not-so-good description I gave of the symptoms.
I attached a few pics of the board itself to give you fellas an idea of the fun it is to work on such a board. It's a great design space-wise but when it comes to work in there, it's a bit crowded...
Oh BTW: this friend always played a Metalzone over the clean channel of the amp being unhappy with the amp's natural overdriven tone. He got a very meh metal tone out of this set up.
After getting it back together I played it for a while and man... that thing rips. When the gain is dimed it sounds really really good. Great definition on riffs, not too tight and bright and sparkly. I'm quite impressed. Knowing that this friend is far from a gear-head, I'm tempted to demo his amp to him just for the fun of it. I think I may have to get one of these things for myself now. Durnit...
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