Waveguides and horns - Page 102 - diyAudio
Go Back   Home > Forums > Commercial Sector > Group Buys

Group Buys Members group buys

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 9th March 2012, 11:06 PM   #1011
diyAudio Member
 
Join Date: Dec 2004
Location: Bakersfield, CA
Quote:
Originally Posted by TerribleT View Post
Nice set up you have there. Can you give some specifics on the drivers in the VOT boxes and the crossover? Are you using the original Iwatas that does not have metal reinforment in the driver flange area? I am wondering about long term stability of the horn hanging off the drivers like you have. Do you think they will hold up over time and not develope fractures in the stressed areas?
Thanks,
David

PS I'm still wondering about Altec drivers used in Iwatas. Anybody have any experiences with this combo?
Hello David,

Those are the original IWATAs that did not have the metal reinforcement ring. They were weak. In fact one of mine broke. The waveguide pulled completely free of the MDF mounting ring. When I made the repair I added fiberglass to build up the transition from MDF flange to waveguide. The fix worked and I don't think there is much of a chance that they will come apart again.

The driver in the VOTT box is a GPA 416C. GPA makes a very nice product. Their 416C driver in a stock Altec 828 cabinet is usable (with boost) to 40Hz. The crossover is active and is set at 650Hz / 18dB per octave. I use Dirac Live running in a Datasat RS20i Processor to smooth the response. Bass Management extends the bottom end to 20Hz. I'm very happy with the results.
__________________
Best Regards,
Carl Huff
  Reply With Quote
Old 10th March 2012, 03:18 PM   #1012
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
Quote:
Any preliminary specs for woofer cutout diameter and enclosure volume for the SEOS-10 flat pack? Thanks.
257mm dia, 1cuft. DE250+10CL51. RAW responses enclosed.
Attached Images
File Type: gif Flatpack.gif (11.8 KB, 516 views)
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote
Old 10th March 2012, 05:15 PM   #1013
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
JMLC-200T solid surface edition, perfect craftsmanship, rollback joint is smooth, gloss deep.
Attached Images
File Type: jpg IMG_4324.jpg (395.0 KB, 528 views)
File Type: jpg IMG_4325_1.jpg (182.0 KB, 508 views)
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote
Old 10th March 2012, 08:50 PM   #1014
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
Radian 950PB Truextent in JMLC-200T.
Attached Images
File Type: png Radian950T.png (181.1 KB, 505 views)
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote
Old 10th March 2012, 08:59 PM   #1015
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
Compared to 4590.
Attached Images
File Type: jpg Radian950T_vs_4590.jpg (50.6 KB, 487 views)
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote
Old 10th March 2012, 11:38 PM   #1016
phusis is offline phusis  Denmark
diyAudio Member
 
Join Date: Feb 2011
Location: Odense
jzagaja -

(being a non-techie myself..)
How would interprete the differences between the BMS 4590 and Radian 950PB True extent in the measured comparison? The impulse response of the Radian unit seems "cleaner" to me..
  Reply With Quote
Old 11th March 2012, 08:16 AM   #1017
diyAudio Member
 
Brett's Avatar
 
Join Date: Jan 2002
Quote:
Originally Posted by jzagaja View Post
Compared to 4590.
What xover was used for this measurement? Or is it only the MR section of the 4590?
  Reply With Quote
Old 11th March 2012, 08:30 AM   #1018
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
4590 - 1uF on HF unit out of phase, no crossover on rest. Hard to tell subjevtive difference as i have only one Radian, BMS has more sparkle. Radian look is awesome and it's light.
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote
Old 11th March 2012, 08:36 AM   #1019
diyAudio Member
 
Brett's Avatar
 
Join Date: Jan 2002
Quote:
Originally Posted by jzagaja View Post
4590 - 1uF on HF unit out of phase, no crossover on rest. Hard to tell subjevtive difference as i have only one Radian, BMS has more sparkle. Radian look is awesome and it's light.
Cheers for that info. Not the way I'd use the 4590 myself: I much preferred a a steep active xover at 6k5. Notwithstanding my preferences, most people would have something more there than what you have, so not too much should be made of the comparison between it and the radian, based on that.
  Reply With Quote
Old 11th March 2012, 09:30 AM   #1020
jzagaja is offline jzagaja  Poland
diyAudio Member
 
Join Date: Jun 2004
Location: Szczecin
Send a message via Skype™ to jzagaja
Radian has a step at the output of phase plug.
Attached Images
File Type: jpg IMG_4326.jpg (194.1 KB, 211 views)
__________________
Visit us at http://www.horns.pl/
The SEOS™ Project http://www.avsforum.com/t/1291022/he...-rallying-here
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
smith horns and using compression horns for a Karlson party speaker project bikehorn Multi-Way 14 30th January 2013 06:20 PM
Horns inside of horns open foe discussion oilcanracer Multi-Way 3 15th February 2010 04:42 AM
Compression drivers in horns or waveguides 454Casull Multi-Way 6 1st December 2008 01:41 PM
Phase plug necessity in horns/waveguides 454Casull Multi-Way 3 18th September 2005 08:36 PM
Horns: Vibrations and resonances in metal horns Rocky Multi-Way 10 28th July 2004 02:38 AM


New To Site? Need Help?

All times are GMT. The time now is 01:04 AM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright ©1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2