Speaker to move some air in work shop? - diyAudio
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Old 4th October 2015, 06:59 PM   #1
jamc is offline jamc  United States
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Default Speaker to move some air in work shop?

I have been living with a pair of Woden Design Vulcan's driven by a 6w Decware Rachael tube amp and am very happy with them in the home environment, but am looking for another project build to use in my big cabinet shop to be driven by a 100w or so solid state amp (I have an old Hafler laying around unused).
Any suggestions for a design and speaker to be used in a much larger space where volume will be more of an issue?
Thanks
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Old 5th October 2015, 05:16 AM   #2
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Em-Ken?

We have been working on these for sometime, ostensibly for use in PA work (slowly). Our goal is for a speaker that will fill this role and still be usable as a PA speaker. This summer we did get to the point where we were happy with the sound in a hifi role. Took quite a bit of work on the driver (Eminence 12LTA). Some here are quite happy with the driver in stock form (less dust caps).

Click the image to open in full size.

They are about the same efficiency as Vulcan, but handle more power, and being a 12" move more air. They do need a tweeter -- the one you see is a cap coupled Foster, the one used in the radio shack pods.

We have also done a test fit of a Fostex FT17 mounted in some plumbing fittings that can be fitted as a Phase plug… given the high XO that arrangement would be good, we will proceed with that next.

All the drivers are quite inexpensive.

dave
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Old 5th October 2015, 12:36 PM   #3
jamc is offline jamc  United States
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That looks perfect!
"Took quite a bit of work on the driver (Eminence 12LTA)." Would you do your treatment to a pair for sale?
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Old 5th October 2015, 05:36 PM   #4
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I cannot provide phase plugs at this time, but i could source drivers and do the rest.

dave
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Old 5th October 2015, 05:45 PM   #5
jamc is offline jamc  United States
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I will pm you later today.
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Old 5th October 2015, 05:52 PM   #6
sreten is offline sreten  United Kingdom
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Hi, search on "Econowave" is an idea, rgds, sreten.
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Old 5th October 2015, 05:54 PM   #7
jamc is offline jamc  United States
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Quote:
Originally Posted by sreten View Post
Hi, search on "Econowave" is an idea, rgds, sreten.
Thanks, will check it out...
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Old 5th October 2015, 07:11 PM   #8
sippy is offline sippy  United Kingdom
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Depending on the noise in your workshop, you might not need to add a tweeter to the EmKen.

My EmKens 12lta's dont have the 'P10 pox' but do have an awfu'lotta basket damping going on.
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Old 5th October 2015, 10:47 PM   #9
chrisb is offline chrisb  Canada
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I'd definitely concur that the 12LTA need some type of tweeter, and something like the FT17H makes sense. We use the old Radio Shack version because they were at hand, and with the plastic mounting case, handy to use.
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Old 5th October 2015, 11:00 PM   #10
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Found a close up of the Em-Ken from the last diyFEST.

Click the image to open in full size.

dave
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