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High level input

From my Mcintosh MC352 I am running speaker cables to my PD80's then jumping to the high level inputs of the built in sub amps. If, for example, the MC352 is pushing 200watts per channel, is half or that power being used to signal the sub amps? Am I wasting power just to send a signal or do the sub amps somehow filter out a line level signal? I hope this makes sense.

Thanks in advance.
nuguy
Post removed 
nuguy OP
195 posts
 
Tvad, with all due respect the PD80s are rated from 1-600 watts per channel, I run 350. I could be wrong but it seemed wrong to run a low powered amp when each speaker houses a 1000 watt sub amp pushing 2-15s.
bignerd100
515 posts
 
Max. power input has little to nothing to do with matching an amp to a speaker.

Anyhow, to answer your question, the impedence of a speaker level input on a sub is so high that it demands very, very, very little of the amplifier.

All of your watts are still going to the midwoofers/tweeters.

:)
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nuguy OP
195 posts
 
The PD80s are rated at 101db/1w/1m and 4 ohms. That means you need only 1 watt to produce 101db at 1 meter (104 db at 2 watts, 107 db at 4 watts, and 110 db at 8 watts, etc...). Do you ever listen this loud?

Rarely but yes. When I'm in the mood I'll run a couple hundred WPC.
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