Form@C wrote:

On Fri, 19 Dec 2003 18:35:41 +0000, Nick Gorham wrote:

Form@C wrote:

I'm just experimenting with a source-follower single-ended MOSFET
headphone amp, with an op-amp voltage gain stage. Its rather good but
not enough output (yet!) for speakers. :-)


You could always try a gainclone


http://home.student.utwente.nl/f.s.b...rtedLM3875.gif


Strange design. Linear taper volume control, only 1000uF supply smoothing
for a chip than can output 56 watts and why throw away all the loudspeaker
damping by inserting a series resistor? And if it is a phones amp why use
such a meaty chip?

Ian