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In a closed box approximately 7 ft^3, they're F3 at 40Hz, -6dB at 30Hz

Vented at 30 ft^3, they're F3 at 20Hz

Now 30ft^3 does approach difficult to accomodate in a domestic situation (to put it mildly), but would it be worth it vs. 6dB of EQ in 7 ft^3 to flatten the response to 30Hz (probably not even that much boost with room augmentation)?

Fooled with a tape measure for about 5 minutes. No matter what the aspect ratio 30 ft^3 sized to fit through the doorway from the garage into the house is pretty unmanageable.

It ought to have occured to me that it would be approximately the same size as the 26 ft^3 refrigerator in the kitchen - I don't see two of those in the living room.

Looks like it's going to be sealed. The weird thing is my wife is an absolute saint - she wouldn't care what I did. The bad part is that I have to exercise some sort of self control in these matters, not exactly my long suit .

900L ?

i could design a corner basshorn using the lab12 that does 25hz flattish with ~103db efficiency and less than that volume!

did u buy them?

its hardly worth it,what about raising the Qts artifically and using them for dipoles or IB ! got an attic?

Cheers!

400L/16Hz tuned gives ~28Hz anchoic F3 and ~22Hz F6 with this driver (Altec 3182).

Its Qts is 0.40