Posted by Chris R [ 192.55.52.2 ] on June 25, 2004 at 10:38:49:

In Reply to: Re: Curious about Chip Amps? posted by Garland garland on June 24, 2004 at 15:12:44:

I wonder if this thing is a wideband switching power supply (PWM amp). At a pound, there isn't much left for a heat sink. I built
a single chip amp using a National 3886 or something like that,
but it needed a substantial heat sink and +-28Vdc. It does work
pretty well, though.

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