Just by your description of the pins, I would suggest you look at the LM-380, 2.5W amplifier. They are tied together as they act as the chips heatsink.
On Fri, Jul 23, 2010 at 1:19 PM, hitekgearhead <[email protected]> wrote: > Hey Guys. I was looking at the schematic for the above mentioned speaker > (thank you repeater builder site) and I had a few questions. > > First, does anyone know where to find a replacement for the 5184320A99 dual > op-amp labeled U1? > > Secondly, Is this op-amp basically being used as a buffer, preamp, and > inverter? > > Thirdly, what on earth are pins 3, 4, 5 and pins 10, 11, 12 doing? I have > never seen so many pins on an op-amp tied together. > > Thanks! > Albert > > > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
