wrote in message
...
On Sat, 18 Jan 2014 22:41:05 -0600, Martin Eastburn
wrote:
Greetings Martin,
I don't have any specs yet. Or a design. I just decided I would like
to do this. 20 watts per channel would be the max output, though I
imagine I will end up with something that puts out much less. I
will
amplifying the output of some sort of CD player or mp3 player .
Eric

The design will be much easier if you use a Class A output like a
radio rather than Class B (push-pull) like a powerful stereo amp.
http://en.wikipedia.org/wiki/Valve_amplifier
See "Topologies".