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Old 17th October 2012, 06:23 AM   #1
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Default Rear horn boxes for small Tannoy

Hello to all. I am new around here and have perused many of the posts in an effort to find some answers. I have embarked on a search for plans for a rear horn box for a pair of Tannoy six and a half inch dual concentric speakers I was given recently. These were Tannoy i6AW outdoor speakers. The white plastic cabinets are trashed pretty badly. It appears that they have been crushed somehow. One grill is missing, the other dented and twisted, almost chewing up the speaker. Simply put, they're a mess. But, when I opened them up, I found the drivers and crossovers to be in excellent condition. I've connected them to an amp and everything works. Yippeee! Now, I need some rear horns to put them in. Has anyone here ever even heard of such a thing? Can anyone steer me in the right direction to find designs for a suitable box for these amazing drivers?
My highest regards.
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Old 17th October 2012, 05:47 PM   #2
hm is offline hm  Europe
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Default hamradioman

i made a Basstuba with 6,5 Tannoy,
but you need a change of the crossover,
500 Hz-3 kHz are to low for the bass of the horn.
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Old 19th October 2012, 08:49 AM   #3
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"500 Hz-3 kHz are to low for the bass of the horn"

I am not sure what you mean by that. Could you explain please?

I checked out that design - it seems quite staight forward, but it's not very "pretty" as my wife would call it. The box also appears to be quite wide. Is there something a bit slimmer that would fit into my allowed apce? Height and depth are not an issue, but width is. I have less than 30 centimeters on each side of the alcove.
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Old 19th October 2012, 05:11 PM   #4
Bare is offline Bare  Canada
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Build something simple and cheaply..whatever you do, as the first 'experiment' IMO.
Clearly a simple Reflex Box will give the most pleasing /predictable results.
Easy to design (search for BR software) and assemble as bonus.
That particular driver is not one of their erm 'very best' products, so don't be expecting miracle results.
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Old 19th October 2012, 07:12 PM   #5
gk7 is offline gk7
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From what I read on the net this is the same driver as used in the System 600 and System 600A (active) nearfield monitors. (13l reflex, tuned to 40Hz).
Just google for Tannoy System 600 user manual and Tannoy System 600A service manual (If you are interested in building the active version).
Here is a review of the 600A:
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Old 19th October 2012, 10:35 PM   #6
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Originally Posted by hamradioman View Post
Can anyone steer me in the right direction to find designs for a suitable box for these amazing drivers?
My highest regards.
Oh this would be a nice Driver for the Cornerloaded KlausHorn Designed by myself (klaus Zulauf). I have used a 6.5" Fostex or a 6.5" Dayton Audio both worked fine, the Tannoy would be a Gem for the KlausHorn. Here is a quick look at the Horn in Question.
Click the image to open in full size.Click the image to open in full size.

I is a full and rich dynamic sounding cabinet, and if you like there is one more design a Bushhorn, also my design, so there you go some food for thought for you!

Last edited by bushhorns; 19th October 2012 at 10:49 PM.
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Old 19th October 2012, 11:26 PM   #7
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I really like these designs, even more so than the BVR type designs which seem to get more attention in these forums. The most efficient use of space, and the corner, to increase flare size and path length, and the corner loading of bass.
Balancing the things I must do, with the things I'd like to do...This is a skill (or a luxury) amongst many that I do not possess.
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