Barth emi M3 1978

Up for sale is an extremely rare one of a kind desk custom build by barth gmbh for EMI electrola in Köln. 

Specs: 20 mic/line channels. 4 aux but if correct you can send these to 12 outputs. 
8 sub groups. Quadraphonic 4 master outputs. (Still need to get one missing stereo fader from former owner)
24 return channels from tape recorder
13 stereo input amps makes 26 original amp cards. (It used to be 26 channels)
4 stereo output channels for the master section and auxiliaries. 
3x barth and 2x telefunken nt324 psu
And the trafo’s for in front of the psu’s. 

It was build as an “easy” transportable mixing desk with six secrions interconnected with multi cables. Used to record classical symphonic orchestra’s with. It used to have 8 more channels but these have been sold by former owner. Im selling as is. Untested. It comes with all siemens backplane connectors and extra euro cards etc. psu’s relais cards. And block diagram and some schematics. 
The only thing missing are the make up amplifiers. These used to be telefunken v672 but you can use any type of gain make-up amp for this.