diy solid state amp

http://talkingelectronics.com/projects/30w+30w Amp/30w+30wAmp.html
is this a good circuit for guitar or bass.? just curious.

i have built a pre-amp for guitar, how do i test my pre-amp "safely" since i have not started on building my power amp..

any suggestions of a 50 watt power amp?

There is at least one problem with the 30+30w amp on the Talking Electronics website; the MICRO PC input is tied to +6v. Not good.

For your 50w amp, take a look at Rod Elliott's site:
http://sound.westhost.com/project27.htm
Main page: http://sound.westhost.com/
Musical-instrument specific page: http://sound.westhost.com/projects-5.htm
All projects page: http://sound.westhost.com/projects.htm
Articles page: http://sound.westhost.com/articles.htm
The Articles section has a number of articles that directly relate to your inquiry.
Here's one from the Beginners section about troubleshooting preamps, amplifiers, etc:
http://sound.westhost.com/articles/troubleshoot2.htm

i hope you get your project going! ive built a guitar amp, distortion box, and a wah wah pedal. fun and challenging. the thing i like about about finding a guitar circuit is modifying the components to make it sound the way you like it. good luck!

There are several designs for high power stereo amps in the completed projects forum. Do a search for cumesoftware (his user name). Some are on the front page.

Project: "Taurus" hi-end audio amplifier (45W + 45W)

Here is a website for schematics for Fender, Peavey, Marshall, etc... along with wiring diagrams for guitars.

http://www.schematics.ca/