Why do you think a BP sub is more suitable for a closet tha other subs?
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I see where you're coming from now, but I still don't see an insurmountable problem. If you cut the hole as wide as possible to accomodate the port width, the additional port opening that extends out past the opening (you said 3.5") can be split equally on each side of the opening so that only 1.75" is partially blocked on each side, if you butt the sub right up to the wall. However, I, like Randy would not do this either as it would change box tuning slightly. Here's the clincher - just back the box up a bit, like 2" away from the wall and you will no longer affect box tuning. As for the 20" height you need, big deal; you'll need nearly that much no matter what sub you stick there. Your custom grill frame will cover that up and make it disappear. 
| Originally posted by Rockhound The Velodyne has a slot-style port that is the width of the woofer box (18" wide x 20" tall), so if I cut the hole the full width of the stud bay, I would still be cutting off 3.5" of the port. Randy at Velodyne said not to do this. Plus I would have to cut the hole over 19" tall just to clear the top of the 15" woofer.....that's a big ass hole. |
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I thought about doing that, but I was concerned that pulling it away from the wall a couple of inches would let some of the bass escape into the closet, and not force all of the sound into the room. I'll go ahead and give it a try since it's the only way to know for sure, and If it sounds bad I'll just build some custom boxes between the 2x4's and use my 12" ers.
Thanks.
Mike
| Originally posted by M NEWMAN I see where you're coming from now, but I still don't see an insurmountable problem. If you cut the hole as wide as possible to accomodate the port width, the additional port opening that extends out past the opening (you said 3.5") can be split equally on each side of the opening so that only 1.75" is partially blocked on each side, if you butt the sub right up to the wall. However, I, like Randy would not do this either as it would change box tuning slightly. Here's the clincher - just back the box up a bit, like 2" away from the wall and you will no longer affect box tuning. As for the 20" height you need, big deal; you'll need nearly that much no matter what sub you stick there. Your custom grill frame will cover that up and make it disappear. |
Thanks.
Mike
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Actually, I doubt that'll be much of a problem, but even if you wanted to be sure it wasn't, you could always assemble a simple shroud to go around the Velo box and butt up to the wall. With the sub backed off the wall, and the shroud cover forcing the sub to couple only with the room air, you'll have what you wanted, still without affecting box tuning.
| Originally posted by Rockhound I thought about doing that, but I was concerned that pulling it away from the wall a couple of inches would let some of the bass escape into the closet, and not force all of the sound into the room. |
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| Originally posted by Rockhound .....that's a big ass hole. |
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