DC level 4 m1 18 with level 5 upgrade

[southport2014 10+ year member]

hello everyone i have a dc level 4 m1 18 with level 5 upgrade supposely.

I was wondering what the rms was on these

and what the recomended ported box was for them

its also dual 1 ohm if that matters.

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[Silverado SS 10+ year member]

Level 4s upgrade to XL, I guess it could go from 4 to 5 but that motor won't have the force needed for the spiders and such. Level 5 and 4 are totally different subs

 

[southport2014 10+ year member]

Level 4s upgrade to XL, I guess it could go from 4 to 5 but that motor won't have the force needed for the spiders and such. Level 5 and 4 are totally different subs

i can send you pics and you can tell me since ur more experienced ?

 

[mylows10 5,000+ posts]

its an xl upgrade not a lvl 5 upgrade .lvl 4 and xl are 3 inch coils lvl 5 is a 3.5 inch coil.anyway the ld lvl 4 was 1000 rms with the upgrade around 1300 but still underrated id say 1600 maybe 1700 rms if a clean signal

 

[southport2014 10+ year member]

its an xl upgrade not a lvl 5 upgrade .lvl 4 and xl are 3 inch coils lvl 5 is a 3.5 inch coil.anyway the ld lvl 4 was 1000 rms with the upgrade around 1300 but still underrated id say 1600 maybe 1700 rms if a clean signal

could i expect to get 145 db? with a box to spec and good tuning and clean single in my trunk

 

[mylows10 5,000+ posts]

could i expect to get 145 db? with a box to spec and good tuning and clean single in my trunk

depends on power ,alt batts box too many variables , but id say no