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what's a good little rectangular horn to use with 1" driver for a tweeter ?

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Posted on January 12, 2017 at 01:35:01
freddyi
Audiophile

Posts: 3152
Joined: December 6, 2001
got a little round horn - mayeb 3.5" mouth - wondering if a rectangular horn might go better - it'll be a mono rig

midbass horn

midrange horn

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RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 12, 2017 at 05:22:52
D Mike
Audiophile

Posts: 117
Location: Michigan
Joined: October 24, 2005
From an aesthetic standpoint to match those horns, I would be thinking about JBL or Beyma baby butt cheek style.

What mid horns are those? They look pretty heavy duty cast construction.

 

I'm with him (FWIW) -- nt, posted on January 12, 2017 at 05:41:56
mhardy6647
Audiophile

Posts: 11306
Location: New England
Joined: October 12, 1999
Contributor
  Since:
October 23, 2016
what else is there to say? ;-)

all the best,
mrh

 

RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 12, 2017 at 06:29:58
freddyi
Audiophile

Posts: 3152
Joined: December 6, 2001
those midhorns are quite light - "structural foam" and made by Gollehon. -- got some Emilar bowties somewhere in my mess, then small Gollehon radial horns the same gray color which are pretty deep for a tweeter which have thick "lips" - something like Westlake.

K700 would make some sort of pea shooter. . . .
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RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 12, 2017 at 08:55:11
b.l.zeebub
Audiophile

Posts: 5224
Location: 52deg 28'N,1deg56'W
Joined: April 17, 2006
May be the Beyma CP-21/F slot loaded tweeter or the FaitalPro FD371
http://www.faitalpro.com/en/products/HF_Drivers/product_details/index.php?id=502010090
Looks better in real life but dispersion might be a bit narrow.

On the whole though I gree with D Mike.

 

RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 12, 2017 at 09:18:41
freddyi
Audiophile

Posts: 3152
Joined: December 6, 2001
thanks for the links - if i can get a little tweeter to go down low enough without strain - I'm broke so have to go real cheap - got some Audax bullets and Selenium ST324 somewhere in my mess.

I was thinking of using Peavey RX14 on a little rectangular horn

eventually I'll have another midbass but don't expect it to be quite as good as the one above

my builder doesn't have much spare time for speakers so this baby University Classic for a 10" may take a number of months to finish

6 cubic foot folded midbass - got wasted space in its back chamber and around the throat section - might make it to 100 - more worried about
it reaching a midhorn

my real fun is with Karlson - I'll take a K12 over my Klipschorn




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RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 12, 2017 at 20:23:41
bwaslo
Manufacturer

Posts: 219
Location: Portland, OR USA
Joined: September 10, 2006
Fredyi -

If you haven't already got a few, go to the Parts Express website and search under "PRV Audio WG35-25-B". It might be the best $10 you'll spend this year.

(It's not an exponential horn, BTW, the copyrwriter at PE evidently doesn't know a lot about horns)
_

Make easy high performance diffusors:-->http://www.libinst.com/diffusers/Depot_Diffuser.html

Horn Design Spreadsheet:--> http://libinst.com/SynergyCalc/

SmallSyns:-->http://www.diyaudio.com/forums/multi-way/292379-s

 

RE: what's a good little rectangular horn to use with 1" driver for a tweeter ? hows this combo look ?, posted on January 13, 2017 at 14:16:14
freddyi
Audiophile

Posts: 3152
Joined: December 6, 2001
cool - will that waveguide work in the 3K and up area without EQ? - I've got an unused QSC version of the Econowave favorite.

For screw on 1" drivers, I have a little Gollehon horn - about 10" deep IIRC - I'm sure it has some beaming on top and will "self-eq"

don't know how to stack these effectively - maybe just a small base with a vertical piece with cutouts at the midhorn and tweeter horns' throats as "yokes" ??? - I'm horrible at woodwork.


I think the midhorn's sidewalls are 90 degrees and the smaller horn's sidewalls 120 degrees - don't know what effects that may have


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RE: what's a good little rectangular horn to use with 1" driver for a tweeter ? hows this combo look ?, posted on January 13, 2017 at 14:45:10
bwaslo
Manufacturer

Posts: 219
Location: Portland, OR USA
Joined: September 10, 2006
That horn is basically a (actually better made) copy of the QSC. It's constant directivity, though, so needs CD compensation starting at around 3kHz. A series resistor of about 10 ohms with about 1uF shunted across it (R and C in parallel, then that in series with the tweeter) should get close. That horn works pretty well as low as 900Hz, maybe bigger than what you want though. Very smooth sounding, though.
_

Make easy high performance diffusors:-->http://www.libinst.com/diffusers/Depot_Diffuser.html

Horn Design Spreadsheet:--> http://libinst.com/SynergyCalc/

SmallSyns:-->http://www.diyaudio.com/forums/multi-way/292379-s

 

RE: what's a good little rectangular horn to use with 1" driver for a tweeter ? hows this combo look ?, posted on January 13, 2017 at 15:06:38
freddyi
Audiophile

Posts: 3152
Joined: December 6, 2001
thanks for the CD compensation values - I think my midhorn will make it to 3KHz - maybe 4 (?) so the tweeter waveguide/horn doesn't need to be very large - its nice to know that PRV is such a well made WG at a near give-away price.
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RE: what's a good little rectangular horn to use with 1" driver for a tweeter ?, posted on January 15, 2017 at 10:07:55
b.l.zeebub
Audiophile

Posts: 5224
Location: 52deg 28'N,1deg56'W
Joined: April 17, 2006
I assumed you were doing a 3way with that bass bin and that mid horn looking for a tweeter above.

Now it seems I may have got that wrong and you're looking for a compression driver to go with the bass. I'm slightly confused... ;-)


If the latter is the case the only small

 

RE: what's a good little rectangular horn to use with 1" driver for a tweeter ? hows this combo look ?, posted on January 16, 2017 at 06:43:51
KanedaK
Audiophile

Posts: 738
Location: Brussels
Joined: April 27, 2010
Give BEYMA CP25 a try. They will work wonders with the dispersion of your mid horns as they share the same geometry. They are great tweeters for the price.

 

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