Building a large curved ESL - Page 19 - diyAudio
Go Back   Home > Forums > Loudspeakers > Planars & Exotics

Planars & Exotics ESL's, planars, and alternative technologies

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 16th July 2014, 01:53 AM   #181
tyu is offline tyu  United States
diyAudio Member
 
Join Date: Jul 2009
I have reworket over 10pr of ML panels.....9"wide by 48" 12"X48" 16"x48...I run New bias feeds up both sides... get 1-2db more out put... ..i use Aluminum feeds on the panels...just tape the feed wire under an over an tape down.....

ML uses only one feed ....on the right side.. the right speaker had less output from day one......Justsaying
.But thay did like to sale new panels.....now thay get $1900......to $2500....Nuts....people just try to sale now...
ML panels only the top an bottem are glued ....but i Never glue them back....i just put tape on each side at the top an botten....
So i can get to them for clening....after a year you have lost 1-2db output from dust.....you can get all back if you can get to the mylar an clean.....if you cant ..... only wash...some times it works ....an not so much...

All just one mans finding......

Great looking Panel!.....thanks for the pic.....good luck

Last edited by tyu; 16th July 2014 at 01:55 AM.
  Reply With Quote
Old 16th July 2014, 12:38 PM   #182
Jaffrie is offline Jaffrie  Indonesia
diyAudio Member
 
Join Date: Oct 2013
Hi Tyu
What do you use to clean the mylar ? Read in ML forum about
washing with water, that sounds quite unnerving & do you clean
both sides ?

Thanks
  Reply With Quote
Old 16th July 2014, 12:40 PM   #183
Jaffrie is offline Jaffrie  Indonesia
diyAudio Member
 
Join Date: Oct 2013
Bravo wreaking ball
  Reply With Quote
Old 16th July 2014, 02:02 PM   #184
tyu is offline tyu  United States
diyAudio Member
 
Join Date: Jul 2009
Shower is for the panels that are just pulled out of the speakers by the owner......so yes Shower bouth sides.....an thay may get better output...thay have not much to lose....if thay lose output...
i pull the panels a part so i can get to the mylar....that the front of the mylar only......glass cleaner works great for me......the ML mylar has a cotaing gos in to the mylar......just cleaning mylar well get them working agine.... most of the time
i well only pay vary littel for the ML speakers......the mylar can rip.. then there just parts.....so as not to lose $$.......$100. is the top paid......
Look when one panels gos week...as is the case on most older ML.....owner can just keep them for how thay look....pay me are others to put there new panels thay get from ML....for big $$....all panels start at about $2k. for the pr.....most dont spend the $$...thay try to sale....but the word is out on the ML panels cost.....so after thay set an are looking at them not working an no one well buy.....thay wont them out.....these are not small speakers....
hay this works for me............
  Reply With Quote
Old 16th July 2014, 07:48 PM   #185
diyAudio Member
 
wreckingball's Avatar
 
Join Date: Sep 2013
Location: Michigan, US
Good info tyu..

Hey Jaffie, here's a link to a thread where a guy wrote a PDF to clean them. ..
Hope it works

Martin Logan Shower Cleaning PDF

cheers
-wreck
  Reply With Quote
Old 16th July 2014, 10:04 PM   #186
tyu is offline tyu  United States
diyAudio Member
 
Join Date: Jul 2009
Pic...1 this is not Coating coming off... an these panels had been showerd minny times......it crued an dust an you name it...
Geting to the mylar makes a big diff in the sound....
the ML coating in in the mylar......like used in making polly caps....
Attached Images
File Type: jpg 2008_0716self_pics0319_small[1].JPG (302.6 KB, 190 views)
  Reply With Quote
Old 19th July 2014, 02:54 AM   #187
AVWERK is offline AVWERK  United States
diyAudio Member
 
Join Date: Jan 2004
Location: So Calif.
Tyu
This is from another panel and you are showing the accumulation since you can,t get to the one shown right?
Do you use a solution of 409 or simple green to help loosen the crud?
My SL 3's are still good on output but you never know...,


Regards
David
  Reply With Quote
Old 19th July 2014, 01:48 PM   #188
tyu is offline tyu  United States
diyAudio Member
 
Join Date: Jul 2009
The way ML just lays the Red bias feed wire in the panels....it can just fall out!
so its tuff call on the stock panels cleaning..... if one panel is has less output you feel you have nothing to lose....just taking the SL3 rals off can pull this wire out..if the wire come out some times you can put it back .... some time not....the bias feed wire in not solder to the feed in the panel.....an using things like 409 well turn the copper green....an can loose contack....
But i well say when i get the ML panels re-worket....some of the best sound i ever had out of a none flat esl panel......SPL gos way up an the bass driver alines better ..... 60 watt tube amp can drive them to full output of SL3 Ascent Odyssey all have same type panels.... Ascent i an Odyssey have the
same panels................good luck
  Reply With Quote
Old 5th August 2014, 03:22 AM   #189
diyAudio Member
 
wreckingball's Avatar
 
Join Date: Sep 2013
Location: Michigan, US
Well, I finally got a chance to get my crew together again, and we finished the first (test panel).

First impressions? Very good. Not the pinpoint imaging that I had with the flats, but\ very good!

Resonance FS was a bit high, but I plan to change that...

Stay tuned..
  Reply With Quote
Old 5th August 2014, 12:14 PM   #190
tyu is offline tyu  United States
diyAudio Member
 
Join Date: Jul 2009
An theres the rube...............
pinpoint imaging well work with two panels but unlike flat...................the imaging well be a littel Biger.... some say too big an to much added dalay....to the sound..
This well help....run a 1"-11/2" peace of tape across the top back.....
leve open....just from side to side .....this well give much better imaging....sounds nuts... but makes any new ML with the so called all open air frame sound so much better....peace of tape can make are brake the sound of a $20k speaker... gofig
..
i am play my smaller 9"wide curved panls...some ganes for sure..................
keep up the good work

Last edited by tyu; 5th August 2014 at 12:41 PM.
  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
Curved Vs. Flat ESL panels? markusA Planars & Exotics 31 9th November 2011 05:38 AM
Jig and stretch for curved ESL? markusA Planars & Exotics 56 26th January 2011 11:25 AM
curved esl question jerryo Planars & Exotics 3 6th June 2010 08:47 PM
2 Small Panels or 1 Large One - ESL audio.ESL Planars & Exotics 24 3rd November 2009 09:18 AM
Curved ESL MrPin Planars & Exotics 20 12th January 2006 01:06 PM


New To Site? Need Help?

All times are GMT. The time now is 09:09 PM.


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