Re: Just acquired a bunch of old PPI amps and need info
The 2300M can handle 2 ohm stereo loads but, cannot be bridged internally. You can use an external bridging module such as the Orion BDG400 or anything that will sum the signal source going to the amp.
The 2300AM can handle 2 ohm stereo loads and can be internally bridged.
Neither amp is stable at 2 ohm mono (bridged). Don't try it.
These amps are not good choices for SPL. Old school, inefficient class a/b amps usually aren't. They make excellent SQ amps. They are also not high current amps (although PPI did make a few that were) stable into low ohm loads.
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