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Old 10th October 2005, 05:52 AM   #51
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Join Date: Aug 2003
Location: Germany
Default Re: Small Horns

Ropie wrote:
[...]Coredump, those look very impressive in red now!
Thanks! And, as expected, it was a real PITA to get there. Red seems to be one of the colours that need more coats than others until it's solid. Nine in my case, with a good (and careful) sanding between every coat. This alone is a strong enough argument for me to use real wood with my next enclosures. ;-)

Best regards,

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Old 10th October 2005, 07:42 AM   #52
DIAR is offline DIAR  Finland
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Location: Capital City Area
Jordan JX92S in GM's ML-TL box (not as wide as original). (Dynaudio Audience 52 and 42C in the background)

Listening distance is 290 cm (60 degree triangle). At the moment the speakers have been placed with their axes crossing atleast 100 cm in front of the listener. This way the side wall reflections decrease conciderably. Also the upper frequencies roll off rapidly. I have added high quality tweeters on top of the speakers and aimed them upwards. The cut off frequency is about 12 kHz, but I intend to raise it a few kHz.

The sound stage is now incredibly accurate (too accurate with some recordings). High frequency response is airy and sweet. There is no more sibilance and hardness in the sound.
I recommend trying this kind of configuration. Doesn't cost a dime if you have a few tweeters and caps laying around
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Old 10th October 2005, 08:20 AM   #53
Masuji is offline Masuji  Netherlands
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Join Date: Mar 2005
Location: The Netherlands
Originally posted by mrlots2do
The Lancetta's look interesting, I'd like to build a set. Could someone send me plans.


I've uploaded a scanned file of the Lancetta as it stood in a
D.I.Y. magazine.
(PDF file)

Unfortunatly for most of the readers / posters here is it in German.

Click HERE to open the file.
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Old 10th October 2005, 08:52 AM   #54
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Originally posted by AJinFLA

Pics of my Ultra High-end, active Fullrange monitor project:
Nice finish! Almost looks like the cabs are made of Corian.

Masuji - that velvet is something I never would have thought of, beautiful!!
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Old 10th October 2005, 11:58 AM   #55
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Location: Philadelpia
Thanks Masuji
LOL.... I'm german lauguage challenged but I think I can figure everything out on the Lancetta pdf.
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Old 11th October 2005, 08:01 AM   #56
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Join Date: May 2005
Location: Roncq
Originally posted by sumacSK
Hi Jean-Marc,

How this (new) speakers compare to old ones with monacor drivers? What about the bass extension?

Thanks Martin
Bonjour Martin,

Qts with current source (50 Ohms) is about 1,5 and the four drivers in arrays increase for 6 dB the efficiency so there is correlation, about 200Hz. These two points are open baffle compensations.

Baffle with Fostex is somewhat larger than first with Monacor and corner of room are some use for effect on bass.
Bass extension is pleased, and even surprising for a dipole configuration.

Higher register is more extended than with Monacor, no tweeter is now not at all a deficiency.
There is less distortion, learn is transparent, I'm very pleased !

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Old 14th October 2005, 03:23 AM   #57
doggy is offline doggy  Canada
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Default fe206e blh

I built these a while back. Loosely based on a z-horn configeration except wider.3/4" maple ply, cork lined.

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Old 14th October 2005, 06:25 AM   #58
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Location: Victoria, BC, NA, Sol III
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Default Re: fe206e blh

built these a while back.
Fall 1974. Christmas present for my brother. They came back this summer.

Today we'd call this a bipolar alphaTL. Back then we called it an EPI MicroTower clone.

Seems they are back to the future. Been a long ways between them & here. The latest off the drawing board are amazingly similar.

Soft on the top off axis, but quite surprising.

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community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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Old 14th October 2005, 03:02 PM   #59
doggy is offline doggy  Canada
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Location: Princeton B.C.
A lot of older designs are good. No reason why they cannot be revived.

Here is a design I built which I made use of for a few years; used a full range 12" from a Baldwin tone cab.A modified "ace"design with an angled top face. This worked excellent with the 2a3 tube amps I was using at the time.

cheers from Surrey B.C.
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Old 14th October 2005, 04:20 PM   #60
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Location: Near Vancouver
Hi doggy,

I remember something like that from my old days as well. Mine was smaller and used an Altec 8" 409 coaxial (sort of) Do you still have those? Love to hear them.

Let's see if you live in Surrey and you're under a bridge we may be close. Why not send me an email and we can take this up further.

planet10 needs your help:
Let's help Ruth and Dave
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