FI Q 18's or FI BL 18's?

 

New member
Username: Tahoe6621

Post Number: 5
Registered: Oct-09
I'm looking to buy 2 18's. I have posted on here before about them, but I have not had a chance to buy the subs yet. I have a 04 tahoe z71, and i'm looking to just bang out hard. I have done research on both subs, but still come up confused. I need to know if the BL's will be louder than the Q's and if so, how much louder? Is it really that noticeable going from a Q to a BL? The BL Xmax is only 18mm as opposed to the Q's being 27mm. To me i think the Q's would be louder, lower, and more bang. This is why I turn to the public, please help, im driving myself crazy.
 

Platinum Member
Username: Rovin

1 15 = 152.5 DBs ...Trinidad & T...

Post Number: 15682
Registered: Jul-05
havent heard any so i comment on actual sound however if u notice the Fs u will see

Q18

DUAL 1 | DUAL 2

Fs: 24.5 Hz | 23.8 Hz



BL18

DUAL 1 | DUAL 2

Fs: 33.2 Hz | 33.2 Hz


so if in theory both is 1000wrms it might be about the same loudness but the Q will be able to deliver even better lower freqs ...
 

Gold Member
Username: Deadrabit

Marionville, MO

Post Number: 2168
Registered: Jun-07
the Q will be louder on lower notes when the BL will be louder on notes that are higher.
depending on ur car the Q could be all around louder or the other way
but really to ur ear those lows always sound louder and move more air,
unless ur going to comps i would get the Q
 

Silver Member
Username: Ericmb

Waycross, Georgia United States

Post Number: 264
Registered: Nov-08
yeah, if youre not competing id go with the Q's. the bls will be louder, but the Q will hit lows better and harder.
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