Thanks for all of the helpful comments out there. The Yamaha P2200 has driven Apoggee Caliburs and Mb Quart 980's, both of these speakers dip into the low,low impedance area, and the amp never popped a fuse or shut down. Remember this is not a consumer amp, but an amplifier that has proven it's reliablity over the years in many studios. Upon further investigation I noticed a very well concealed setting for the woofers under a plastic cap located outside the speaker binding & controls plate. The factory setting is extended range. Infinity suggests throwing the switch into the normal position (which it already was in) to reduce the current requirements to the woofers. Next step suggested I'll take, is testing for a short with an ohm meter. These are the other amps I have available to drive the Kappa's. Yamaha M80 & M85 (both 200 watt range)and a friend has a Sumo polaris.Sorry but a Krell, Levinsen and Classe at the power required is just outside of my budget.
Infinity Kappa 8's
What to do? My infinity Kappa 8's keeps eating amps for lunch.The 1st failure was with a Yamaha 200 watt per channel model P2200. Amp went black, I replaced the main fuses on the back of amp, it powered-up with new same rating fuses and then amp died again for good.Tryed another P2200 fuse blew again. I've decided not to try the amp again, for fear of completely damaging my last P2200. This is getting expensive! I'm not cranking the volume at full tilt or pushing the bass tone control past 12 o'clock. The speaker can be Bi-amped, but I've just used a single robust P2200 on them. The speaker wire uses large 1/4 inch bananna connectors, so no bare wires can not touch positive to ground on the back of the amp or speakers and the 4 binding posts on the speakers flat metal plates to connect the two binding posts together for single amp operation. Could a faulty cross-over wreak this havoc upon me. Any helpful suggestions will be greatly appreciated.