Jonathan, found the resonant freq for Avalanche 15 so....


Silver Member
Username: Suleman36

Post Number: 749
Registered: Feb-05
Ok so fs is 15.7hz for the Avalanche 15 and so i think im gonna go with 3.5 cu ft. and tune it to 26-27Hz and set the subsonic filter on the jl 500/1 to 20hz. Let me know what you think based on the Resonant FreQ ...

hey MO im also gettin an avalanche i want to tune it to 28hz

if i set it at 32hz compared to 28hz what would be the sound difference? more spl at one tuning more low end at one tuning? more boomy bass at one tunin?

Silver Member
Username: Suleman36

Post Number: 753
Registered: Feb-05
I think if you set it at 32Hz you will get more spl then sq in that range. Me and you are looking for the same answer. I talked to chad today and he said 26Hz-30Hz whould be best. Im personally gonna tune it to like 26hz-27hz not that it makes the biggest differance but your better off. 28hz sounds right.

Gold Member
Username: Jonathan_f


Post Number: 3733
Registered: May-04
That sounds good. 3.5 cu ft net tuned to around 27-28 will sound great and perform very well.

Silver Member
Username: Suleman36

Post Number: 761
Registered: Feb-05
Thanks for the confirmation, ill let you know how it plays out in the future.
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