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Author Topic: 4x10+1in COLUMN!  (Read 16472 times)

Mac Kerr

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Re: 4x10+1in COLUMN!
« Reply #10 on: May 22, 2010, 05:13:30 pm »

Rory Buszka wrote on Fri, 21 May 2010 18:11

Tim Padrick wrote on Sat, 01 May 2010 09:51

Wouldn't a D'Appolito configuration have been better than having the horn at one end?  Or are they a three way with 3 woofs and a mid?


Actually, my money's on a frequency-shaded design, or '2.5-way' where the lower woofers are rolled off progressively with increasing frequency.

Gene Hardage wrote on Sat, 01 May 2010 22:13

These columns are passively crossed with progressively lower crossover points for each 10.  


Don't go too far out on that limb Rory!  Rolling Eyes

Mac
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Kasey Linsberg

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Re: 4x10+1in COLUMN!
« Reply #11 on: January 03, 2011, 03:55:08 pm »

I know this is a bit of an older post, but I was wondering if you had an thoughts on how these might sound with two per side? It looks as though it would make a fairly nice scalable system.
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Mac Kerr

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Re: 4x10+1in COLUMN!
« Reply #12 on: January 03, 2011, 04:03:39 pm »

Kasey Linsberg wrote on Mon, 03 January 2011 15:55

I know this is a bit of an older post, but I was wondering if you had an thoughts on how these might sound with two per side? It looks as though it would make a fairly nice scalable system.


Since column speakers have very wide horizontal coverage they would not work very well side by side. stacking 1 on top of the other would work better, but involve a lot of safety structure. This is not a scalable solution.

Here is the same thing from the late '70s.

Mac
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Kasey Linsberg

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Re: 4x10+1in COLUMN!
« Reply #13 on: January 03, 2011, 07:25:40 pm »

Thanks Mac. It would seem my knowledge of column speakers is somewhat lacking.
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Gene Hardage

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Re: 4x10+1in COLUMN!
« Reply #14 on: January 04, 2011, 09:48:24 am »

Mac Kerr wrote on Mon, 03 January 2011 16:03

Kasey Linsberg wrote on Mon, 03 January 2011 15:55

I know this is a bit of an older post, but I was wondering if you had an thoughts on how these might sound with two per side? It looks as though it would make a fairly nice scalable system.


Since column speakers have very wide horizontal coverage they would not work very well side by side. stacking 1 on top of the other would work better, but involve a lot of safety structure. This is not a scalable solution.

Here is the same thing from the late '70s.

Mac


I was hoping for the same thing but was told that stacking would work much better with the top one upside down.  That sounds way too scary for me so that's out.  They do work well for side fills and even better with a sub out front.  I remember those JBL columns but never saw them in the plastic boxes.  I still have one dinosaur left over from that era and it's an old EV 1803 "keyboard" monitor with the aluminum edges and it does sound really good as a keyboard or drum monitor.
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Art Welter

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Re: 4x10+1in COLUMN!
« Reply #15 on: January 04, 2011, 11:11:34 am »

Mac Kerr wrote on Mon, 03 January 2011 14:03

Kasey Linsberg wrote on Mon, 03 January 2011 15:55

I know this is a bit of an older post, but I was wondering if you had an thoughts on how these might sound with two per side? It looks as though it would make a fairly nice scalable system.


Since column speakers have very wide horizontal coverage they would not work very well side by side. stacking 1 on top of the other would work better, but involve a lot of safety structure. This is not a scalable solution.

Here is the same thing from the late '70s.

Mac

Column speakers have the same horizontal dispersion as the speakers they use, the issues of running them side by side are the same as any front loaded cabinet.
Although I'm not a fan of side by side front loaded cones, being scalable is a matter of opinion, it never stopped Clair Brothers putting their 4x 10" (and 2x18, 2 x2" and 2tweets) S4 cabinets 4, 8 and more wide..

The Ramsdell is using a frequency shaded crossover and a horn which (probably) matches the top 10" dispersion.

The old JBL did not have those features, it used musical instrument 10" and bullet tweeters splayed side by side.

The Ramsdell looks to be a good update on an old idea.
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Riley Casey

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Re: 4x10+1in COLUMN!
« Reply #16 on: January 05, 2011, 03:08:33 pm »

That link was worth it just for the Google translation if nothing else.    Shocked

Mac Kerr wrote on Mon, 03 January 2011 16:03



Here is the same thing from the late '70s.

Mac

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