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Old 20th February 2011, 04:32 PM   #391
jzagaja is offline jzagaja  Poland
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Autotech at Hi-End Praha 2011. JMLC-350 has green pattern made of special UV cured varnish. Source:

High End Praha 2011 - AVmania.cz
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File Type: jpg 4.jpg (99.9 KB, 499 views)
File Type: jpg 3.jpg (128.2 KB, 488 views)
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Old 20th February 2011, 05:52 PM   #392
dede is offline dede  France
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I would love to purchase a mid bass horn for cone driver to go under my iwata 300, anything planned ?

someting like this would be awesome

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Anthony
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Old 20th February 2011, 06:12 PM   #393
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here is my project of midbass horn, combined hedlund and labhorn idea with over 3,5 m long horn, should go down to 40Hz and what's more important to me will cover 40Hz up to 400 Hz, where JMLC 200 with BMS 4590 will take over. Thank you Jacek Zagaja for inspiration and meritorical help. The horn is curently in production (carpentery) in 2 weeks time should have some pictures and measurements
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File Type: jpg Mid bass horn 1.jpg (35.4 KB, 461 views)
File Type: jpg Mid bass horn 2.jpg (30.5 KB, 445 views)
File Type: jpg 2011-02-08 11.17.11.jpg (63.0 KB, 453 views)

Last edited by jaskierster; 20th February 2011 at 06:24 PM.
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Old 20th February 2011, 07:47 PM   #394
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Default Driver for Iwata 300

Quote:
Originally Posted by dede View Post
I would love to purchase a mid bass horn for cone driver to go under my iwata 300, anything planned ?
Hello Anthony,
What driver are you using with the Iwata 300 horn? I have some Altec 291-16B. Would they work? If not what driver specifications should I be looking for when choosing a driver for this horn? Any help would be appreciated.
Regards,
David
http://www.altecpro.com/pdfs/vintage...F%20Driver.pdf
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Old 20th February 2011, 08:09 PM   #395
dede is offline dede  France
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hello,

I'm using tad 4001, but no doubt that the altec will work.

From data sheet maybe a tweeter will be needed ?

Regards

Anthony
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Old 21st February 2011, 08:48 AM   #396
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finally I have decided to start with open back compresion chamber, mainly due tu visual efect. The horn will be about 2,2 m high, JMLC 200 (reduced diameter tu 740 mm) together with driver will be placed in mouth of Bass horn.
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Old 23rd February 2011, 10:12 AM   #397
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jaskierster is lovely horn. Have you got a thread for it to follow? I take it I long missed out on the mid horns? I still don't get how you build such big horn strong enough not to resonate.
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Old 23rd February 2011, 10:30 AM   #398
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resonance can be a prolem, this will be a prototype, soon I will start a new thread with my horn - story
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Old 24th February 2011, 04:45 AM   #399
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cool I would like to build something similar.
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Old 24th February 2011, 05:17 AM   #400
Scaper is offline Scaper  United States
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Quote:
Originally Posted by jzagaja View Post
Autotech at Hi-End Praha 2011. JMLC-350 has green pattern made of special UV cured varnish. Source:

High End Praha 2011 - AVmania.cz

Incredible looking speakers. I hope everyone liked them at the event.

The finish on them looks great and I can't wait to see the waveguides in person.
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