Sundown Audio SA-10 1.43cuft ported

[t.j]

4" Aero port it is then. gonna start on it Monday.. thanks for all the advice

 

[shredder2]

4" Aero port it is then. gonna start on it Monday.. thanks for all the advice

Recalculate the volume with a 4" port and I'll give ya tune and length... it will change slightly k?... make it 20" long

I did it quick and dirty... it'll change to 1.31ft3 net so the 20'' long port will tune to around 33.5hz

 

[BOOMINGRANDPA 5,000+ posts]

Recalculate the volume with a 4" port and I'll give ya tune and length... it will change slightly k?... make it 20" long
I did it quick and dirty... it'll change to 1.31ft3 net so the 20'' long port will tune to around 33.5hz

yeah that's better i thought it would be over 40 m/ps for sure with 3" but i don't have any 10's in wins..