MASTERING GRADE M/S MATRIX from Collective Cases

Help Support GroupDIY:

dandeurloo

Well-known member
White Market Member
Joined
Jan 20, 2008
Messages
1,117
Location
Minneapolis, MN
This is the help thread for the M/S matrix.  A few guys are building them so I wanted a place to store some of the help info and docs as they come in.

MS.jpg


PCB's and Kits can be purchased here:
http://collectivecases.com/?product=mastering-grade-ms-matrix-pcbs

Help Doc's here:
http://collectivecases.com/wp-content/uploads/2016/12/MID-SIDE-Help-Docs.zip

http://collectivecases.com/wp-content/uploads/2017/01/MS-build-guide-V2.pdf
 

memestudio

Member
Joined
May 12, 2009
Messages
17
Hi,
I've just received this board. It is a really good quality pcb.
Are the diodes bridges needed only for mic application as protection?
Fabio
 

skidmorebay

Well-known member
Joined
Aug 1, 2011
Messages
104
What's the significance of the word "link" printed on the Relay 3 and Relay 6 footprints? (And on the XLR pads?) Anything I need to consider before soldering RL3 and RL6?
 

skidmorebay

Well-known member
Joined
Aug 1, 2011
Messages
104
One more question:

I'm using this as the I/O for a stereo EQ. I would like the mid out/side out and mid in/side in to be unbalanced. Can I just ground the negative conductor, or is that going to cause problems with the THAT chips?

Or, should I remove the chips and inject the unbalanced signal at Pin 6 on the 1200 line receiver and take an unbalanced out from Pin 4 of the 1600 line driver?
 

skidmorebay

Well-known member
Joined
Aug 1, 2011
Messages
104
I'm using this in Integrated mode. Do I need to populate U7 and U8 and the components associated with them?
 

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