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Re: [motm] How to connect balanced signals to the MOTM

2006-03-29 by Charles Stella

Right you are Chris! Just checked I had assumed the Ring was grounded 
since I have never had any problems with either type of cable. Thanks, 
Charles.


On Mar 29, 2006, at 11:39 AM, xamboldt wrote:

> Actually the Ring connector floats in MOTM jacks - it's not connected 
>  to anything. Some other 1/4 jacks connect the ring to ground, but not 
>  Switchcraft 112A.
>
>  That being said, I don't recall having any problems using TRS cables 
>  coming from balanced equipment to my MOTM, and vice versa.
>
>  -Chris
>
>  On Mar 29, 2006, at 5:00 PM, Charles Stella wrote:
>
>  > In my practical experience it does not matter if the cables are 
>  > balanced or unbalanced. Most modern active balanced I/O's can 
>  > tolerate being unbalanced without a problem and usually with no 
>  > signal loss. The proper way to unbalance a balanced line is not to 
>  > drop ground but to tie Pin 3 (XLR) or the Ring (TRS) to ground. 
>  > When you plug a balanced TRS cable into your MOTM the Ring 
>  > connector is automatically grounded so there's no need to make a 
>  > special cable. This has worked fine for me with many different DAW 
>  > interfaces (Digi , Apogee, RME , Metric Halo etc. )
>  >
>  > Best, Charles.
>  >
>  >
>  > On Mar 29, 2006, at 7:03 AM, chad_kettering wrote:
>  >
>  >> Hello,
>  >>
>  >>  I have a few MOTM filters that I plan to use to process various 
>  >> sounds
>  >>  from my DAW. How do I connect the balanced outputs from the DAW 
>  >> to the
>  >>  MOTM modules, and then return that signal back into the balanced
>  >>  inputs of the DAW for recording?
>  >>
>  >>  Do I need to build cables where one side is balanced and the 
>  >> other is
>  >>  unblanced ( the ground is lifted on the unbalanced end to avoid 
>  >> ground
>  >>  loops )?
>  >>
>  >>  Or should I use a line level transformer to change the signal 
>  >> back and
>  >>  forth to the MOTM?
>  >>
>  >>  Thanks and look forward to your experience with this!!
>  >>
>  >>  Chad
>  >>
>  >>
>  >>
>  >>
>  >>
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