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Have to fix my Quad ESL 57
Have to fix my Quad ESL 57
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Old 24th November 2019, 05:09 AM   #141
legopart is offline legopart
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excellent suggestion!
- audio transistors checked!
- bass panels checked on the bass panels only.
- trebble panels fail
- Bias panels on restore
- metal front grill -cleaned, having little cracks on the top holding parts
- back cover cleaned
- wood parts - ugly re coated (with cheap oil and black parts with cheapest spray)
*most of the screws lost, waiting for order.
*Waiting for electronic parts to.
*having the epoxy for attempt to try to fix treble panels, have to order some primmer to make this gluing stronger
*Having some conductive paint as spry from copper for treble restoring.
*if the treble restoring will fail, I will buy a new pair.

I cant find lots of time to work on this speakers.
I finish to read at least 4 guides (including yours) about restoring (and yes, I know about the method that you use to remove the wax )

Cant complete all the things at once because of enormous amounts of unplanned orders.
The unplanned spend is too high and unplanned!
I found the fact this this restoring will not completed in one or two weeks.
so I decided to make lots of works in parallel, bad decision.

I took lots of pictures and marks:
- first of all to remind me the connect order.
- second, I want to write some summery about my work.
- I want to get feedback and safe money and life for wrong attempts, This thread bring me lots of support to continue on this enormous project.

Thank you all!

Last edited by legopart; 24th November 2019 at 05:13 AM.
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Old 7th December 2019, 10:18 AM   #142
legopart is offline legopart
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Searching for some suggestion to repair the felt behind the tweeters.
maybe use 2 piece of this one in series: https://www.amazon.com/gp/product/B0...sc_act_title_1

this one for subwoofer outer gluing, I think that its not matching to the purpose
1pcs Polyester fiber sound-absorbing panels Speakers shock absorption felt cloth | eBay


Whis looks interesting too but too short
Grand Piano Damper Lifter Felt 52 "Strip for trichord 3 String Notes parts | eBay

some suggestions?
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Old 7th December 2019, 10:40 PM   #143
stokessd is offline stokessd  United States
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why not use the felt that was there?
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Old 8th December 2019, 12:03 AM   #144
legopart is offline legopart
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Quote:
Originally Posted by stokessd View Post
why not use the felt that was there?
One speaker without the 3 felt layers and the 2 wood pieces

My pair of speakers suffering from all possible issues that you could ever though about =D

Last edited by legopart; 8th December 2019 at 12:05 AM.
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Old 8th December 2019, 01:38 PM   #145
stokessd is offline stokessd  United States
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McMaster-Carr
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Old 8th December 2019, 05:16 PM   #146
legopart is offline legopart
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Thanks, I will check it.

some half way prototype before the wiring or something has done.

Click the image to open in full size.
Click the image to open in full size.

Click the image to open in full size.

Last edited by legopart; 8th December 2019 at 05:28 PM.
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Old 9th December 2019, 06:24 PM   #147
legopart is offline legopart
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Ops,
now I remember to actually test if all parts will fit.

Click the image to open in full size.
Click the image to open in full size.

I think just to use some internal fuse or plan another hole.
*now have to think how to close this hole XD

I want to install some lamp that will alert me from the front that the speakers still turned on



I not have this month enough time to do anything with this speakers

Last edited by legopart; 9th December 2019 at 06:48 PM.
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Old 12th December 2019, 06:12 AM   #148
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Tried to order some screws but it doesn't fit, the step is too high
ordered from: 3/16" 1/4" BSW Allen Bolts Full Threaded Socket Head Cap Screws A2 304 Stainless | eBay
Have only 6/8 original screws with flat screwdriver.
will be glad to get some suggestion which screw/bolts to buy instead.
thanks.

Click the image to open in full size.
Got some 20mm brass screws for repairing
*dont know why I started to wast the money on **** like that

The original screws looks really pretty.
but I lost one and one housing and they hold too weak
Click the image to open in full size.

Side plates screwed
Click the image to open in full size.

all the nails removed from the (speaker treble holder and the) foots so I added some screw instead.
Click the image to open in full size.
*planned to add more screws but I think that its enough

if you think that this update unnecessary please tell,
I can do at this this points only small things

Last edited by legopart; 12th December 2019 at 06:15 AM.
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Old 19th December 2019, 12:34 PM   #149
legopart is offline legopart
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Quote:
Originally Posted by DrJJ View Post
If you go this route -- I'd strongly suggest replacing the panels -- do try corona dope:

Corona Dope - GC Electronics, lacquer coating, 2 oz. | Amplified Parts
How to you apply this material to the board?
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Old 19th December 2019, 04:50 PM   #150
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will PM him.



in addition I trying to fit the net right, Straight the pins, and glue the cracked parts (something I not good with) =D
also have to clean this room a little bit =D
try to write an instruction if someone wants
Click the image to open in full size.
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