[sdiy] chip amp

Roy J. Tellason rtellason at verizon.net
Sat Sep 22 03:22:08 CEST 2007

On Friday 21 September 2007 20:43, bill bigrig wrote:
> Howdy,
>  i have several amp-in-chip items I got from
> www.goldmine-elec.com, they sell several different
> kinds. stereo 45 watt into 2 ohms, 30 watt x 4
> channels, etc. They cost a buck or 2 each. You have to
> add alittle bit of circuitry for volume, tone, balace,
> etc. Most of them run on 12 volts, being chips for car
> stereo amps. A hefty power supply, a BIG heat sink and
> Bob's your uncle.
> Rig

There are a bunch of datasheets for that kind of part to be found on my parts 




for the overall index to things.  Look for "BTL" (Bridge-Tied Load,  meaning 
an ungrounded speaker setup) using the search function of your browser.  LOTS 
of choices there...

Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin

More information about the Synth-diy mailing list