specifically in a BMW

would you install a better quality 3" driver that's more efficient (92dB/spl 200-14k) than a 4" component that's not as good on paper (400-14.5k and 90dB/spl)?

obviously an adaptor ring would be needed for a 3" driver installed into a 4" OEM

hertz HL 70 vs EM 100

going 3" opens a few more component options

 

picked up a pair of Hybrid Audio L3's....seems DIY is the better site to get info... this site is good for buying things in Canada

 

Maybe no one had the heart to tell you that a 3" midbass is an oxymoron

 

Just what I was thinking usually little useful sound under 300-400 Hz

 

You have 8" midbass in your floors. Why not upgrade those and stick some real power to them?

 

http://www.hybrid-audio.com/document...bon_Manual.pdf

 

^

That document talks about the L6 and L4 and IMO referring to a 4" as a midbass is being overly generous - even a Hybrid 4"

Real world, that L3 is going to disappear under 300hz once in the car.

 

Did you read page 10 to 15???? This is a drive drop in for this car 4"oem replacement...designed to do this

 

Did you read post #2???? The post where he said he bought the L3s.


OEM drop in or not - are you indicating that you believe you would be happy with this as the next driver over the sub? I've seen your kicks dude!!


Now as a component midrange used with the midbass under the seats, sure.

 

Thanks for the comments.

I impulse bought the L3. Should have held out for L3se but it would start to get into focal 100 KRS prices.

The plan is tweeters with a high pass around 5kHz
The L3 would HP around 250hz. The under seat would be band pass 80-200.

And the sub would be low pass at 80. The slope of these cross over points is still unknown.

I will have an amp for the front, centre, under seat and trunk subs.

No outoard EQ processor. Relying on the logic 7 OEM deck to steer everything.

Since this is a BMW, we're using all high level inputs with a LOC, from what I've read, the front is already HP off the amp at 250Hz and the under seat woofers are LP at 200Hz, the amp should take care of everything for the sub LP at 80Hz