help me with my port tuning

[slapmaster 10+ year member]

What size should the port be to get low 33hz or so tuning?

¾ mdf

4 2x4s for bracing

fi Q 18s

port firing back(inside the car),box going in my trunk.

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[z31joe]

10in x 5in x 3in.... Fb= 32.85hz

i got that using bassbox 6 pro and the t/s of dual 1 fi q18. i dont know if thats right cuz im still learning how to use the program.

 

[slapmaster 10+ year member]

ok, cool.

can anybody else confirm?

thankz

 

[mdillon 10+ year member]

you decided against the 18-10's?

 

[slapmaster 10+ year member]

you decided against the 18-10's?

it was never ment to be in for as long as it has. it was just another project. now its time for a new one. just might try 4 mach 5 mj18's sealed in 2.8 cubes each if i can't get a good box design for two 18's. humm... 4 18s in a trunk, wouldn't that be a first too.