General idea and background info:
http://www.uoguelph.ca/~antoon/gadgets/mostest.htm
http://sound.westhost.com/amp-basics3.htm#FET Power Amplifiers
and here is someone who has put one together using those basics.
Simple Class A MOSFET Amplifier
Distortion will be similar to that of a single ended tube. Also, any power supply noise will be heard so you will need to pay attention to the ps.
In comparison to filtering caps, choke, power transformer and heatsinks, MOSFETs are very cheap.
Once you are comfortable with the basics, look at the Zen series
http://passdiy.com/amps.htm
for methods of improving the sound significantly.
http://www.uoguelph.ca/~antoon/gadgets/mostest.htm
http://sound.westhost.com/amp-basics3.htm#FET Power Amplifiers
and here is someone who has put one together using those basics.
Simple Class A MOSFET Amplifier
Distortion will be similar to that of a single ended tube. Also, any power supply noise will be heard so you will need to pay attention to the ps.
In comparison to filtering caps, choke, power transformer and heatsinks, MOSFETs are very cheap.
Once you are comfortable with the basics, look at the Zen series
http://passdiy.com/amps.htm
for methods of improving the sound significantly.
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