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Old 28th May 2009, 12:03 PM   #21
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Originally posted by Joe Roberts

First, you only need one. You can run one channel to each half of the horn. In this way, it is a single unit stereo speaker.

Since they use 555 drivers, a tweeter is required, so factor in the budget for a pair of 597As.

While not as amazing and impressive as 15As or 12As in my opinion, the 16A has a remarkable delicate and detailed character. Very engaging on string quartet and acoustic music. Also great for jazz quartet and the like. Very lively and vivid presentation.

Joe , I agree with you...

I ran my 16a in stereo with 2 GIP 597a for a while , now in mono with 1 GIP 597a only.
I use my 16a for listening to Jazz , vocals and small ensemble classic. until the listening volume is not high , great delicate sound and no resonance. but once you increase the volume , then the metal resonance gets in... the 15a doesn't have this problem.
BTW I added further damping to my 16a ( some more thin felt inside and some foam compressed between the back of the wings and backwall).
I listened to my 16a with 46C too and the sound was not so OK... actually the 16a plays a lot better with a good WE350B PP in triode operation

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Old 12th June 2009, 02:06 PM   #22
moosemp is offline moosemp  Poland
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Hello everybody!
I am also interested in plans of WE horns. I know all web pages you mentioned, there is no way to use it for building horns.
Any other sources?
Greetings from Poland!
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Old 12th June 2009, 05:25 PM   #23
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Hi ABman...

...afaik, the smooth bends of the WE horns are to make the HF response go out as far as practicable for a given design. The sharper bends and baffles in corners of some newer designs are suitable for LF only...

http://www.bearlabs.com -- Btw, I don't actually know anything, FYI -- every once in a while I say something that makes sense... ]
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Old 12th June 2009, 06:48 PM   #24
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Yo Bear:

The 16A has some rather sharp bends.

The 12A and 15A don't have "sharp" bends, per se, but the pressure wave must flow almost 360 degrees around a circular path.

I can't imagine that this is the best path for HF transmission, but what do I know, I'm an archaeologist. Midrange on any of these three horns sounds very fine.

Either way, you are looking at the mass rolloff of the 555 diaphragm @ below 5k or so, so get some tweeters!
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Old 13th June 2009, 03:28 PM   #25
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the 15a and 16a sound is largely affected also by the smoothness of the inner surfaces.

the 16a ( which is very smooth metal inside) sounds pretty clean on the top end.
the 15a's more rough wood acts a filter instead

btw both horns requires the damping felt at their mouth to smooth a certain hi-freq ( 5-6khz) hardness . they are mechanical filters.

a tweeter crossed at 4-5khz is mandatory.

about the 15a building plans, I repeat , drawings are uneuseful.
since I plan to stop the 15a manufacturing ,I possibly could sell a kind of kit for DiYers to make a 15a , with templates, many 1:1 drawings of attachments, fitments...extensive instructions...

But it's a long complicated job to prepare such a "kit" and so I don't think it will come cheap...people wants to pay little money for WE replica horns, they don't undertand that it's a huge complicated job. WE it's not cheap, today it's more true than in past years
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Old 13th June 2009, 04:10 PM   #26
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Sorry if I hijack this thread, but is it possible to get approximate dimensions for WE 757 studio monitor horn, or equivalent in the market, for it's nostalgic looks.
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Old 14th June 2009, 10:12 PM   #27
moosemp is offline moosemp  Poland
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Aldo, I fully appreciate your work on WE horns and understand the whole enthusiasm engaged. Hrns look wonderfull on your website. I hope we will stay in touch , I am really interested in plans and templates.
I would be happy to meet you in Italy during hollidays!

And for all Friends- do you know somebody in Europe who owns WE horns and would agree for a visit and some listening?

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Old 15th June 2009, 07:26 AM   #28
carolus is offline carolus  Belgium
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Location: Brussel
Originally posted by moosemp
......in Europe who owns WE horns and would agree for a visit and some listening? ...
You ave the (good) "intention" to built your own (couple) horns ..... Fine.
If you are in the neigbouroud near Brussels, you are welcome in my easy lazy listening chair.
It's a simple and DIY 5-way horn (modest) concept:
Klipsch 18 inches, WE66A (a-not-real-factory WE), Iwata 2 inches & 1 inches .... Passif filter and with (DIY) OTL-amp in Vesalius style ....
Horns (good tuned) give great music ...
Important: WAF = 9/10 .... I love her
Allez, salukes.

One musical note for (horn-lover) Aldo (Audioanthology):
Aldo, congratulations for your practical knowledge building WE-horns and your magnifique site?
And I agreed with you: "it's a complicated job" .... I start (in hobby) my horns in '68 before the internet-age.
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Old 15th June 2009, 10:32 AM   #29
Pano is offline Pano  United States
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Wow, you started in 1968? That's cool.

Do you have photos to share?
Take the Speaker Voltage Test!
planet10 needs your help: Let's help Ruth and Dave
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Old 15th June 2009, 01:56 PM   #30
carolus is offline carolus  Belgium
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Originally posted by panomaniac
.... cool .... photos
From my easy lazy chair:


Allez, salukes
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