I think that TDA1514 from Philips has an output of 48W into 8 ohm load.
When I built this amplifier (two of them, actually), its sound was horrible. After a few experiments, I removed the bootstrap components and it worked like a charm
I've also built an amp using TDA7294 for a friend of mine. This IC rocks! And it's HOT. I mean...really really HOT. Adequate heatsink required. Preferably with a fan (thermally controlled). Although this IC has protections against overload, short-circuit, excessive temperature, etc. I still managed to blow up two of them
I've also built an amp using TDA7294 for a friend of mine. This IC rocks! And it's HOT. I mean...really really HOT. Adequate heatsink required. Preferably with a fan (thermally controlled
My PCB was approx 20 x 13 cm. It had 2 x 100W amps, stereo preamp with DC tone control and channel selector and two thermal sensors for fan control. I was soo happy when I built it and it worked. Hopefully it is still working :?
EDIT: Now I remebered that it also contained the power supply (on the same PCB)
If your interested in building a discrete amplifier this report might be of some use, it includes a design for a 50w bipolar amplifier. I've built it and know that it works.
If your interested in building a discrete amplifier this report might be of some use, it includes a design for a 50w bipolar amplifier. I've built it and know that it works.
Edit>> Sorry I think it might have been o big for the message board, i've put it on my webspace **broken link removed**