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Specimen Gramophone style Horn Speakers
Specimen Gramophone style Horn Speakers
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Old 18th July 2017, 01:24 AM   #11
planet10 is offline planet10  Canada
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Specimen Gramophone style Horn Speakers
Quote:
Originally Posted by hollowboy View Post
The box part will have a cutout in the top that couples to the horn throat. This is a back loaded horn. Do a Google Image Search on "BLH speaker" and you'll get the idea.
It looks like a BLH, but the size makes it a BR with a horn-like port, a Big Vent Reflex (BVR)

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Old 18th July 2017, 01:49 AM   #12
hollowboy is offline hollowboy  Australia
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Quote:
Originally Posted by planet10 View Post
It looks like a BLH, but the size makes it a BR with a horn-like port, a Big Vent Reflex (BVR)
Valid. Same internal structure:

"Specifically, would anyone have any details of the internals of these?"

Quote:
Originally Posted by planet10 View Post
Making a petal front horn with helper woofer would be a more worthwhile application of the effort.
Agreed. I did something with a similar aesthetic a few years ago. With hindsight, it was a lot more work than it needed to be - a petal horn is how I'd do it now.
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Old 18th July 2017, 06:27 PM   #13
xrk971 is offline xrk971  United States
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Specimen Gramophone style Horn Speakers
I built a teardrop shaped gore-panel construction once, if I had made the shapes grow at the mouth, a horn would have resulted vs a tear drop shape.

Click the image to open in full size.

The one horn I made with 4 gore panels, followed a tractrix, and it sounded fantastic. One of the best speakers I have heard when used in a two way point source:

Presenting the Trynergy - a full range tractrix synergy.
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Old 18th July 2017, 06:49 PM   #14
Nico Ras is offline Nico Ras  South Africa
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I personally think those Specimens are beautiful. I would like to develop a pair of seven foot horns like that. I am definitely looking into making a pattern for it. I just simply fell in love with this retro look.
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Old 19th July 2017, 09:40 PM   #15
tapestryofsound is offline tapestryofsound  Scotland
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Quote:
Originally Posted by Nico Ras View Post
I personally think those Specimens are beautiful. I would like to develop a pair of seven foot horns like that. I am definitely looking into making a pattern for it. I just simply fell in love with this retro look.
I stumbled across the Specimen website a few months back, and I too fell in love with the concept and the look of hornspeakers. There is a great deal of information on the website, especially the blogs, and as a creative entity they certainly have earned my respect. Their business model has grown organically over the past thirty years, and they seem to have become an integral part of America art-music culture. A big attraction with the horns is they have a small footprint on a stage venue, and it is possible to stack dozens to create an almost holographic field of sound - just the ticket for musicians who use effects. I would love to experience an Andrew Bird gig, someone who plays violin through a PA system made up from a veritable forest of Specimen horns.
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Old 19th July 2017, 09:44 PM   #16
Nico Ras is offline Nico Ras  South Africa
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