LF driver on side versus front

AudioGeek · 21st February 2009, 06:59 PM

what are the adv/disadv of having the bass driver on the side of the cabinet vs the front?

how do i work out the sensitivity required for a driver on the side if my HF and mids are at 96db?

does the diver on the side do away with the BSC requirement?

I am looking for a driver to go well with a Radian 8" coaxial. Probably either use a sealed cabinet for the Radian... or even just do an OB.. or vented... i guess i do not know yet what would work better.

Nice taught bass, good impulse response etc and low THD are all qualities i am looking for. size not really that important being on side.

Thanks!

Cal Weldon · 21st February 2009, 09:29 PM

Quote:

Originally posted by AudioGeek
what are the adv/disadv of having the bass driver on the side of the cabinet vs the front?

It depends on the cut off frequency and room placement among other things.

Quote:

[i]how do i work out the sensitivity required for a driver on the side if my HF and mids are at 96db?[/B]

Consider buying a plate amp for the woofer.

Quote:

[i]does the diver on the side do away with the BSC requirement?[/B]

It does if you have a powered woofer.

Quote:

[i]I am looking for a driver to go well with a Radian 8" coaxial. Probably either use a sealed cabinet for the Radian... or even just do an OB.. or vented... i guess i do not know yet what would work better.[/B]

I like the OB idea if you can stand a baffle size that will give you 100Hz. Either that or maybe two boxes in one to keep the drivers separate and high pass the Radian at 100 Hz. That's the sort of thing I have done.

Quote:

[i]Nice taught bass, good impulse response etc and low THD are all qualities i am looking for. size not really that important being on side.[/B]

That's what we are all looking for. How much do you to spend?

AudioGeek · 21st February 2009, 10:16 PM

cost? well considering the radian is around 300 each.. i guess i am open to suggestions.

would it just be easier to put all the drivers on the front?

maybe then i could just use a couple of 12's or 10's on the front with the radian.

go with a 2.5 way or something.

thanks!

Cal Weldon · 21st February 2009, 10:20 PM

That works too.

454Casull · 21st February 2009, 10:58 PM

If a side-firing driver plays above its baffle step, won't the polar response be assymmetrical across the front vertical axis?

Cal Weldon · 21st February 2009, 11:30 PM

You would have to keep the XO point low.

EDIT: or make them mirror image so you can have them firing in or out depending on the room.

21st February 2009, 06:59 PM	#1
AudioGeek diyAudio Member Join Date: Jan 2004 Location: Minnesota	LF driver on side versus front what are the adv/disadv of having the bass driver on the side of the cabinet vs the front? how do i work out the sensitivity required for a driver on the side if my HF and mids are at 96db? does the diver on the side do away with the BSC requirement? I am looking for a driver to go well with a Radian 8" coaxial. Probably either use a sealed cabinet for the Radian... or even just do an OB.. or vented... i guess i do not know yet what would work better. Nice taught bass, good impulse response etc and low THD are all qualities i am looking for. size not really that important being on side. Thanks! __________________ It is not you... you are it.

21st February 2009, 10:16 PM	#3
AudioGeek diyAudio Member Join Date: Jan 2004 Location: Minnesota	cost? well considering the radian is around 300 each.. i guess i am open to suggestions. would it just be easier to put all the drivers on the front? maybe then i could just use a couple of 12's or 10's on the front with the radian. go with a 2.5 way or something. thanks! __________________ It is not you... you are it.

21st February 2009, 10:20 PM	#4
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	That works too. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting

21st February 2009, 10:58 PM	#5
454Casull diyAudio Member Join Date: Jan 2004 Location: Toronto, ON, Canada	If a side-firing driver plays above its baffle step, won't the polar response be assymmetrical across the front vertical axis? __________________ Building a 2.1 system out of a 3/4"x4'x8' sheet

21st February 2009, 11:30 PM	#6
Cal Weldon Speakerholic diyAudio Moderator Join Date: Jan 2004 Location: British Columbia	You would have to keep the XO point low. EDIT: or make them mirror image so you can have them firing in or out depending on the room. __________________ Next stop: Margaritaville Some of Cal's stuff \| Cal Weldon Consulting


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