Bert's Super Sub (BD-Design)

by Bert , Wednesday, October 24, 2007, 22:01 (6028 days ago) @ CO

Hi Collin,

I would also like to know more about the sound of your super sub !!

Come over and have a listen... :wink:

You mention the horns they replace needed time to build up in the room?
Wouldnt that mean they were generating some kind of standing wave in the
room?

Actually not the needed time but the needed length to built up the wave properly. The horn is a 1/4 lambda horn meaning that the other 3/4 has to be done by the room (walls, floor and ceiling).

You didnt use the BD15 driver! I can imagine thats because of the
cost.

They don't fit optimal in there. With 12" drivers I could create a bigger total moving diaphragm.... when the BD12's will be ready then I might exchange the Beyma's for those though.

But if you did do you think you would notice any difference ? I suppose
you are crossing them low.

I think it will make a difference, sometimes I can hear the Beyma's making their own "sound"... I will coat them all one of these days as one reason for that is the paper which is a bit too weak (not stiff enough) to withstand the pressure.

I only use them below 30Hz (48dB crossover) and somehow, you can hear the character of the drivers when playing them "loud" if you pay attention to it.

I am very happy with them as they are though but there are always means to improve things further.

Bert

--
BD-Design - Only the Best!

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