Upgrading SAJE mixing console master with a Lawo dv972

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dasnevestheo

Well-known member
Joined
Oct 6, 2017
Messages
187
Hello there !
Just got a hold on a pretty Lawo dv972 amp card and I would like to upgrade my console master section with it.
My console is a SAJE Auxy (french 80's brand, pretty cool channels but summing sucks a bit...).
Saje channels summing resistors are 22k. I was thinking of sending the passive sum of the channels into the Lawo inputs.
Question is, on the original master section, there's a  0dB opamp filter stage (IC1) pre fader, which then goes into a 12dB gain stage (IC2) : can i put my fader between bussed resistors sum and Lawo Input ? Or is a buffer needed pre fader ?
I'm attaching the summing section of my current Saje master section.

Any tips welcomed :)

Thanks
 

Attachments

  • Capture d’écran 2019-04-07 à 22.31.19.png
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Attached Lawo schematic
 

Attachments

  • Capture d’écran 2019-04-07 à 22.36.25.png
    Capture d’écran 2019-04-07 à 22.36.25.png
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Hello from Spain. I have a SAJE AUXY mixing console and I'm looking for schematics. Do you know how to find them? Thanks !!!!
 
Thanks, plimousse. I'll keep trying. I'd like to see my console fully working so I need schematics.
 

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