Check your computer date, your messages from today are coming in as 9-25-11
Nathaniel C. Steele Assistant Chief Engineer/Technical Director WTRM FM On 9/25/2011 11:37 AM, Matthew Chambers wrote: > Rob, That is exactly the same thing we did, good old Western Elec coils > on to a switcher board that is right before the card. I've since put a > DBX stereo compressor in between but it's still clean and we're still > showing balanced to the rest of the studios. > > On Wed, 2011-09-28 at 10:51 -0400, Rob Landry wrote: >> On Wed, 28 Sep 2011, [email protected] wrote: >> >>> I've run into similar issues with the M-Audio Delta cards - a need to >>> put isolation transformers in the audio lines to get a clean sound. >> A client of mine is using those cards in two studios. In the air studio, >> where he is only playing audio, they are fine, but when he installed the >> cards in his production room he had hum on his record inputs at -45 dB or >> so. When we looked at the cards closely, we found that the "balanced" >> inputs were single opamps with (if I remember right) 10K ohms in series >> with the inverting input and 10K ohms going to ground on the other side to >> create something that measures balanced but has no common-mode rejection >> at all. So, we added Western Electric 111C coils. >> >> What's amazing is that a piece of technology made by the phone company in >> the 1930's still sounds as good as anything that's ever been developed >> since. >> >> >> Rob >> _______________________________________________ >> Rivendell-dev mailing list >> [email protected] >> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev _______________________________________________ Rivendell-dev mailing list [email protected] http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev
