Recent Posts

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1
Sell-Buy / Re: Misc parts needed to complete project console.
« Last post by Kprellz on Today at 06:27:28 AM »
Roy Hendrickson said he had a pair so Iím gonna pick those up! So thatís the first item off the list!
2
Sell-Buy / Legs for SSL console
« Last post by jimlfixit on Today at 02:06:38 AM »
Hi Kprellz
Regarding legs for SSL consoles, I think Gareth Conner on here may have some of these but he is in the UK so I am not sure how practical and financially viable this would be to send them to the USA. Check him out and good luck.
3
Sell-Buy / Re: Misc parts needed to complete project console.
« Last post by simonstav on May 13, 2021, 11:44:36 PM »
Yep got plenty of meters with bezels and panels. I will do a count and let you know how many I have.
4
4K,6K,8K Series / Recapping - Capacitor on C9 VCA card - Logic Card
« Last post by Franz on May 13, 2021, 09:24:55 PM »
Hello to all! I have two questions, I hope you can help me.

In this period I am doing full channel recapping and:

1- I would like to know if someone has ever changed the value of the capacitor from 10uf 35V to 100uf 35V on C9 on the VCA board.  - circled in red in the picture - as suggested by Jim Williams. Also, on the rear side, I applied 2 Wima 0.01uf 250V on C9 and C8 (Nichicon Muse non polar).

2 - In the third picture there is the logic card and I would like to know if the switches on the two red elements must be in a precise position.

Thanks to all!
5
Dear Erjon,

Happy to see the lady in good shape !

Just to let you know, it's Dubuis not Dubois and it's Studio Davout not Davon.

You are right, Davout did a lot of custom work on this one, but it was totally working.
About the issue on the Quad Bus, have you plugged the automation bypass terminaison (if not, it's normal that you have no sound).
When she lived in the studio, she was in a really good shape except the automation and some switches that need to be changed (try to use Alps version, better than the Isostat).

Whish you all the best with this lady, she made a lot of number one in France and Switzerland.

Best regards,
Greg
Hello Greg. Glad to see you are here.
Yeep, sory for the names, but i just had ocassionally read them online and couldnt remember very well.
So im right in my intuition that this is the console, and that you have worked a lot with it :)
Are you aware of this? http://forum.sslmixed.com/index.php?topic=261.0
The Roedersteins are not n the 26 vca cards so i assume you changed them, but the LM are still there...
As per the computer bypass termination, they was already pluged when the console come in, so it was not so simple. I dont know if you used this console till the last days in the studio, but a lot of maintenance need to be done. Maybe this is from the warehowse months, i dont know.
I have a lot of questions, but depending on your time, it would been helpful, for the others that read here, to answer some.
The 26 cards, for example had the corroded rubber resistor legs in the solder side. The solder was terribly hardened and nonconductive, some 5534 was not working, and a lot of bypass capacitors (28 monitor buffer card for example) simply disintegrated with a slight pull.
Generally, the console was well maintained, but the switches are a big issue, to the point that half of the channels pass audio. In a lot of not working channels, the signal was stuck in insert or compressor in buttons, or even the split button. Once pressed, the sound will not return anymore, no matter what you do and the working on it.
I was able to have some sound after i changed some resistors, diodes and transistors like Bc212LB and J112 in the 82e24 card where it seems that its all the culprit. But i still has not repaired it fully because of the limited availability of parts in my country. Meanwhile, im aranging an order at Farnell with all i need.
My biggest concern still remains the computer, which, i found that a terrible mistake happened. Someone (maybe the Davout techie) has forgotten to plug the 120 volt computer top fans, so it may have suffered extreme temperatures to the point that might be irreparable.
This thing happened, because the 120 volt output of the computer power supply, was occupied by the changeover unit, which should have been added when the console became 48 channels.
This could have been avoided with the addition af a small 220/110 transformer just for the fans.

I dont know at this point if you can help me where to focus for the computer repair first, as i have no video on the monitor (an external monitor connected directly in the computer pannel) even though seems like the disc is readed in the floppy, and a red light flicks in sync with the floppy reading, in the processor card.
I still dont have a clear idea if i should reccap all channels, or master section, or all of them imediately.
Any memory from where was the last time changed?
Wishing you all the best, i hope your lady is still in good hands :))
Regards, Erjon.

Dear Erjon,

Congratulation for all the good work !!!

No problem for the spelling issue, I was just clarifying.
Yes I know for the exchange between Jim and me, long time ago...

The console was sent to you with a maintenance workbook, normally you should find all the work done (and dates) on this console.
As far as I know, Davout did all the custom mods under the supervision of SSL and the computer worked a long time after the installation.
They had only one issue with the "memory card" that was sent to SSL, then a couple of year later the computer stop booting again and I didn't want to fix it (because I hate this computer to be totally honest).

I never done the modifications suggested by Jim because of the financial aspect (the studio owner didn't want to cover this investment).

I was sure that the terminaisons was removed before the moving of the console (strange).

Corroded rubber is a well known issue unfortunately, some were changed but not all of them.
I changed all the capacitors and the IC on the main QUAD cards (the 4 cards, I don't remember exactly the date but you will find in the maintenance workbook).
On the channels side, I changed some of the capacitors, not all of them (financial issue again) so I can suggest you to start here.
I changed a lot of switches as well but this is one of the main issue of the Isostat... This is why I suggested you to change to Alps before.
I have also changed some of the Bc212 and J112, Farnell or Mouser are very good to find all the parts you need.

For the computer, I'm really sorry (it was sold like that) but you need to find someone who is really knowledgeable about it (which is not me as you understood).

It seems that you are a really good guy and I'm sure you will give this lady a brand new you life.
I wish you all the best for the project and if I can help, I will do it.

Best regards,
Greg
6
Sell-Buy / Misc parts needed to complete project console.
« Last post by Kprellz on May 13, 2021, 08:14:13 PM »
Hey yíall, starting the insane adventure of owning an SSL today. Itís quite a project so I figured Iíd leave this open so I can just add things as I discover that I need them haha.
To kick it off I need to legs for the SSL stand. I have the long cross beams just need the legs,
Also need 48 channels of VU meters with the paneling. Will take whatever yíall got. Doesnít need to be the whole kit.
7
4K,6K,8K Series / Mixed E/G 4048: de pinning DL's
« Last post by jimlfixit on May 13, 2021, 08:09:09 PM »
Hi Timetravel
Interesting comment about using a nail gun pin for de-pinning DL's but I notice you have just de-pinned the console DL sockets which are much easier as they don't have moving parts like the plugs, which are harder to do (I have done many hundreds over the a few decades).
I have a post on here about de-pinning DL plugs so, you may wish to see that on the wiring menu (I am the moderator for that).
Also, contact me if you need any advice on the SSL console wiring plus I know about all the screw fixings used back then (another of my posts on here).
I worked at SSL from 1980-87, near the beginning, and also supply DL plugs, pins and backshells to the UK and Europe if you need some plus, I construct various DL looms as well.
Contact me via my Facebook page, which also has examples of my wiring.
Good luck with your console rebuild and I can send you a blank SSL 96 way DL layout for wiring purposes if you would like it.
Regards from Jim Lassen in the UK
8
I found the best tool for depinning, is this pin from an airgun nail. Very sturdy and finished all the job of depining around 70 DLís with only one tip. The original one (previous owners was so kind to give me the depin and crimp tool) broke in the first 20 DLís

9
Designed the side panel which took over 30 hours of shape and hole matching. A nightmare. Still at the end some holes didnt match by 0,5-1mm, but it was not important. We used larger screws because cant find the original rails, and the substitutes from the local market has larger holes
Laser cut the side and connectors pannel and mounted the buckets.
Start depinning and over 3500 point to point soldering which took nearly 10 days of every day work.










10
Dear Erjon,

Happy to see the lady in good shape !

Just to let you know, it's Dubuis not Dubois and it's Studio Davout not Davon.

You are right, Davout did a lot of custom work on this one, but it was totally working.
About the issue on the Quad Bus, have you plugged the automation bypass terminaison (if not, it's normal that you have no sound).
When she lived in the studio, she was in a really good shape except the automation and some switches that need to be changed (try to use Alps version, better than the Isostat).

Whish you all the best with this lady, she made a lot of number one in France and Switzerland.

Best regards,
Greg
Hello Greg. Glad to see you are here.
Yeep, sory for the names, but i just had ocassionally read them online and couldnt remember very well.
So im right in my intuition that this is the console, and that you have worked a lot with it :)
Are you aware of this? http://forum.sslmixed.com/index.php?topic=261.0
The Roedersteins are not n the 26 vca cards so i assume you changed them, but the LM are still there...
As per the computer bypass termination, they was already pluged when the console come in, so it was not so simple. I dont know if you used this console till the last days in the studio, but a lot of maintenance need to be done. Maybe this is from the warehowse months, i dont know.
I have a lot of questions, but depending on your time, it would been helpful, for the others that read here, to answer some.
The 26 cards, for example had the corroded rubber resistor legs in the solder side. The solder was terribly hardened and nonconductive, some 5534 was not working, and a lot of bypass capacitors (28 monitor buffer card for example) simply disintegrated with a slight pull.
Generally, the console was well maintained, but the switches are a big issue, to the point that half of the channels pass audio. In a lot of not working channels, the signal was stuck in insert or compressor in buttons, or even the split button. Once pressed, the sound will not return anymore, no matter what you do and the working on it.
I was able to have some sound after i changed some resistors, diodes and transistors like Bc212LB and J112 in the 82e24 card where it seems that its all the culprit. But i still has not repaired it fully because of the limited availability of parts in my country. Meanwhile, im aranging an order at Farnell with all i need.
My biggest concern still remains the computer, which, i found that a terrible mistake happened. Someone (maybe the Davout techie) has forgotten to plug the 120 volt computer top fans, so it may have suffered extreme temperatures to the point that might be irreparable.
This thing happened, because the 120 volt output of the computer power supply, was occupied by the changeover unit, which should have been added when the console became 48 channels.
This could have been avoided with the addition af a small 220/110 transformer just for the fans.

I dont know at this point if you can help me where to focus for the computer repair first, as i have no video on the monitor (an external monitor connected directly in the computer pannel) even though seems like the disc is readed in the floppy, and a red light flicks in sync with the floppy reading, in the processor card.
I still dont have a clear idea if i should reccap all channels, or master section, or all of them imediately.
Any memory from where was the last time changed?
Wishing you all the best, i hope your lady is still in good hands :))
Regards, Erjon.
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