Hey all; first post and I hope someone can point me in the right direction.
I know there is a stigma about Crate amps but the Stealth 50 has treated me pretty well. I really like it and it was the only good amp I had until I screwed around with it.
Long story short; I was hoping to replace some non-polar electrolytic caps for polyester film ones for some clearer sound. When I wired the transformer back up; I mis-wired an orange and red wire back to the board. Turn the amp on; very audible hissing noise; pop; power off. Opened everything back up and realized my mistake; put the cables back where they should have been and tried to turn it on. No go. Checked the main fuse and it was blown. Replaced the fuse and turned it on. I get the power LED; tubes filaments turn on; no sound out of any channel. No sound out of the line out. When I plugged the effects loop send into the input of a friends amp, I get some hissing instead of silence but no signal.
One of the red transformer wires that should wire up to J21 or J22 were wired to J23 or J24 where the orange wires should connect; and the orange wire was wired onto the jumper where the red wire should have been. As it was late and I was worried that I just destroyed my amp I did not make not of which wires had crossed; and for that too I am a fool.
There is nothing visibly wrong on the board; no scorch marks; no blown caps... I replaced the polyester film caps I got with the ones that were originally on the board and that didn't change anything.
Since I am not even getting sound out of the line out; I do not think that I fried the output transformer; but I am wondering what I have broken... Have I fried an IC or a transistor; even all of them?
If anyone can point me in the right direction for testing stuff; I would be forever grateful. I am not in a good financial situation where I can buy a new amp.
I have attached the schematic for the stealth 50 in case anyone is curious.
GT-50H,_50_Schematics.pdf
I guess if nothing else I am wondering if I have irreversibly killed this amp and I should start saving for a new one, or if anyone on the forum thinks it is salvageable.
Thanks for your help,
Will
I know there is a stigma about Crate amps but the Stealth 50 has treated me pretty well. I really like it and it was the only good amp I had until I screwed around with it.
Long story short; I was hoping to replace some non-polar electrolytic caps for polyester film ones for some clearer sound. When I wired the transformer back up; I mis-wired an orange and red wire back to the board. Turn the amp on; very audible hissing noise; pop; power off. Opened everything back up and realized my mistake; put the cables back where they should have been and tried to turn it on. No go. Checked the main fuse and it was blown. Replaced the fuse and turned it on. I get the power LED; tubes filaments turn on; no sound out of any channel. No sound out of the line out. When I plugged the effects loop send into the input of a friends amp, I get some hissing instead of silence but no signal.
One of the red transformer wires that should wire up to J21 or J22 were wired to J23 or J24 where the orange wires should connect; and the orange wire was wired onto the jumper where the red wire should have been. As it was late and I was worried that I just destroyed my amp I did not make not of which wires had crossed; and for that too I am a fool.
There is nothing visibly wrong on the board; no scorch marks; no blown caps... I replaced the polyester film caps I got with the ones that were originally on the board and that didn't change anything.
Since I am not even getting sound out of the line out; I do not think that I fried the output transformer; but I am wondering what I have broken... Have I fried an IC or a transistor; even all of them?
If anyone can point me in the right direction for testing stuff; I would be forever grateful. I am not in a good financial situation where I can buy a new amp.
I have attached the schematic for the stealth 50 in case anyone is curious.
GT-50H,_50_Schematics.pdf
I guess if nothing else I am wondering if I have irreversibly killed this amp and I should start saving for a new one, or if anyone on the forum thinks it is salvageable.
Thanks for your help,
Will
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