Which one would have more SPL?....12" UpFront (in cabin) or 18" in the Back

[Starky 10+ year member]

Alright, the Car is a Subarban....which one would have more SPL? Say an 18" Avalanche in the back of my Subarban or a 12" (probably an SI Mag) up front in the cabin....both in Sealed Enclosures, (MDF Box for 18"incher, about 4^3 cubes and a Fiber Glass enclosure for the 12" incher, 1-1.5 cubes)..Both would be recieving the same amount of Watts, about 1400 (+/-)

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[Meka 10+ year member]

18''avalanche no contest.

 

[SPL140.2 5,000+ posts]

if you want spl why sealed enclosures??? but x2 on the 18"

 

[Taurus+L7=goosh 10+ year member]

Definetly the 18" avalanche.......

 

[Starky 10+ year member]

if you want spl why sealed enclosures??? but x2 on the 18"

I want SQL..but I just wanted to know out of those 2 which one would be louder

 

[Starky 10+ year member]

D4mn...now I just gonna find a 18" Ava...

 

[supraman1379 10+ year member]

18" avalanche

 

[revrider1 5,000+ posts]

18" Ava