Wasted HU Power

to answer your questionsno

no

no

no

no
This is the best answer, and I don't think it's rude to just be short sweet and clear. Use the Amp, the HU power is not wasted, it's allowing your signal to the amp to be that much cleaner. 85W X 4 is plenty, no reason or need to bridge.

You would actually be wasting MORE power if you bridged the amp and used your HU's speaker channels, since you would not ever come close to using the 200 Watts in daily normal use and you would have to both overdrive the HU powered speakers to be audible or attenuate the hell out of the bridge amp channel.

It just wouldn't be efficient or good sounding. It would be to use your words, wasted power.

 
IAMDeMan just go away already. Regardless if your advice is good or not you have zero tact and sound like a douchebag. When your reply starts off why "Hey Sparky" the rest of your post just goes out the window. You draw conclusions about me and have no idea what my thought process was or the order of events that lead up to me buying my rear coax? Perhaps I bought my rear coax before I even started reading CA.com?

CrysisMaker I appreciate your reply and advice. I know there are some good people here otherwise I wouldn't even bother posting.

As far as the topic my rear coax have seperate posts for the tweeter and the woofer. My HU does have High Pass filters but I believe it only goes up to 250Hz. If I had a way to bandpass those rears then leave the tweeters unplugged that sounds like the right way to go to accomplish the rear fill. Since my coax speakers have seperate posts I thought I could use all four channels to "bi-amp". I have read HU power is crap but I see some people using it (to power tweeters in an active setup for example) so I just wanted to see if there was a way to utilize the wasted power (and use it to it's maximum capacity).

I take all posts into consideration. Especially those that reply with reasoning and explanation. Thanks again for those that replied.

 
Personally I have rear fill and I like it. My vehicle is long (station wagon) and it's a hatchback so it provides better listening for rear passengers as well or for hatch-backing a park.

Front stage can easily be adjusted by front and rear fade and if anything it sounds more "live" when it's in front of you with rear accents.

That's my two cents. Also I set the bandpass the same for front and rear (except sub of course).

Some of these things are a matter of taste, every system has it's plusses and minuses, so far I have gone off the beaten path with my xover settings and my choice of speaker placement, and I'm thrilled with the sound and am not looking back.

Experiment and have fun with it.

All the advice here is great, but use it as a guide not as law.

 
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