So... I've got a pair of them, past warranty period, split opened casing, with wires torn off the solder. One side is fine, the other, well, as said, the wires in the casing that goes from the input socket plug thing, to the transducers, have been pulled out. I can ATTEMPT soldering it...

Hey guys, So I've wired up my dual gang ALPS switched pot for my little CMoy amp. Worked like a dream at start. However after a while there's a little "pop" on the right channel, which then the volume decreases on the right, but increases on the left. I have to turn the amp off with the...

Hi guys, Just starting with a bit more DIY without tutorials and whatnot, ie. schematics only. As far as grounding is concerned, how should I do it? I'm attempting the acoustic simulator from CMoy and trying to figure everything from the schematic. From his portable amp design, which I...

Hey guys, I've just finish building my CMoy amp following Tangentsoft's tutorial. (and it works!! first time ever building any electrical components ) Anyways, I've upgraded my power cap to 470uF and my input cap to 0.47uF, with opa2134pa. Gain is 10k/1.5k + 1 which is around 7.7 (just...