I'm in the process of starting a new install in my '95 Probe. Purchasing a DD 3500 series 15 and RF 1000a2 from a friend. Initially I plan on running the box he was using in his Explorer which is around 5cf. with 3 4" aero ports, can't remember the length. I'd like to build a new box to better fit the Probe, and I'd like to see if I can't get a little more out of the setup in the process. In the Explorer this setup has metered at 147.?db and I'd like to see if I can't manage 150.

Any suggestions on box design would be appreciated. I'd like to keep it tuned low ~30-32hz.

I'm in the process of starting a new install in my '95 Probe. Purchasing a DD 3500 series 15 and RF 1000a2 from a friend. Initially I plan on running the box he was using in his Explorer which is around 5cf. with 3 4" aero ports, can't remember the length. I'd like to build a new box to better fit the Probe, and I'd like to see if I can't get a little more out of the setup in the process. In the Explorer this setup has metered at 147.?db and I'd like to see if I can't manage 150.

Any suggestions on box design would be appreciated. I'd like to keep it tuned low ~30-32hz.

Doesn't DD recommend 40hz for tuning? Sub and port up will probably give you the best result.

Doesn't DD recommend 40hz for tuning? Sub and port up will probably give you the best result.

DD's site says 35-40hz, but that sub is a newer version. What I've got is one generation before the current version I think. Not sure if they made any significant changes, but if they did the recommendations on their site might not be correct for this sub. Either way I'd like to tune it as low as I can reasonably get away with. Its going to be a daily setup, won't be going straight spl or anything like that. So I don't want it to a point it will destroy SQ altogether but I love hard hitting low end bass. I'm definitely open to suggestion.

If you want to hit 150 with that setup you can't tune low and be able to listen to music like you want. You'll have to probably tune to 45+ hz to have a chance.

But what you can do is use aeroports like your friend, maybe three or four 4" ports and tune the box to 32-35 hz. Then plug maybe one or two of the ports for SPL testing and that will raise your tune to allow you a higher score. You'll just have to play with the number of ports and length to get the tuning frequencies right for when you're plugged/unplugged.

well, I've been corrected... Talked to my friend to get specs on the box. It's 3.5cf after displacement and it did have 3 - 4" aero ports but he removed one and blocked it off so only 2 and they are 17.75". The sub is a D series if that helps.

either way I suppose I can hold off on my 150db goal and make the best of what I've got. Not sure what the Ideal box size, or port/speaker placement will be for my application. In the future I could add another sub and/or more power to try for 150+. For sure its going to be a step up from the 2 12" thunder 8000's I'm running right now.

Edited August 16, 200916 yr by Jason_s79