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<blockquote data-quote="Per SÃ¸vik" data-source="post: 91674" data-attributes="member: 1285">Re: Cardioid Subs in a Smaller venue.I believe I prefer the rear-facing sub on the bottom, particularly if it is a non-solid floor, because more of the energy will be directed upwards into the room and the reflection patterns on stage will be better. At front, as long as the floor is absolutely solid, the front pattern might be better with the front facing sub on bottom, but it is quite marginal.Depending on the room, with a left-right setup where the sidewalls are reasonably close to the stage and coverage is mainly in front of stage, I would go for a side-by-side setup, with the rear-facing sub on the outside. As for delaytimes for rear-facing inverse phased sub, start with 2 ms and try it out in steps of 0.1mS up to maybe 2.5-2.9 mS. You&#039;ll probably find that 2.5 mS is about right.And of course reduce the inverted sub by about 3 dB.I would also prefer to push the rearfacing sub back a bit to put the quarter wavelenght frequency down, but that is obviously not an option if you need the subs to support the tops.</blockquote>

[QUOTE="Per SÃ¸vik, post: 91674, member: 1285"] Re: Cardioid Subs in a Smaller venue. I believe I prefer the rear-facing sub on the bottom, particularly if it is a non-solid floor, because more of the energy will be directed upwards into the room and the reflection patterns on stage will be better. At front, as long as the floor is absolutely solid, the front pattern might be better with the front facing sub on bottom, but it is quite marginal. Depending on the room, with a left-right setup where the sidewalls are reasonably close to the stage and coverage is mainly in front of stage, I would go for a side-by-side setup, with the rear-facing sub on the outside. As for delaytimes for rear-facing inverse phased sub, start with 2 ms and try it out in steps of 0.1mS up to maybe 2.5-2.9 mS. You'll probably find that 2.5 mS is about right. And of course reduce the inverted sub by about 3 dB. I would also prefer to push the rearfacing sub back a bit to put the quarter wavelenght frequency down, but that is obviously not an option if you need the subs to support the tops. [/QUOTE]

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