Schniapereli
Active Member
Our intercom has been having some problems when we take it down to the front of house station. We use these belt packs here and this power supply here.
The problem seems to be that whenever we have a really long cable, the signal goes sqwueakhle. It is only like a 25 foot run of XLR cable. But, then how do the intercom stations backstage still work, since they have an even longer cable run (without and signal amplifiers..that I know of...)?
Is there some little dooby we need to buy to strengthen the signal at some end of the cbale path?
Is there something else we are doing wrong? (our long cables work on the mics, but not for the com...?)
Also, I am now confused about Pink noise. While an interview on ProSoundWeb with Mick Hughes says:
Big Mick: Pink noise, being completely flat, means that there is no variable as there is with a CD EQ; hence you can look at each band of the P.A. frequency response, its peaks and troughs.
(I have also heard of other techs refering to pink noise as being flat.)
but, wikipedia says that Pink noise is not flat, and that it decreases 3 db per rising octave. (link here)
Which is it? (and what about all the other colors of noise?)
The problem seems to be that whenever we have a really long cable, the signal goes sqwueakhle. It is only like a 25 foot run of XLR cable. But, then how do the intercom stations backstage still work, since they have an even longer cable run (without and signal amplifiers..that I know of...)?
Is there some little dooby we need to buy to strengthen the signal at some end of the cbale path?
Is there something else we are doing wrong? (our long cables work on the mics, but not for the com...?)
Also, I am now confused about Pink noise. While an interview on ProSoundWeb with Mick Hughes says:
Big Mick: Pink noise, being completely flat, means that there is no variable as there is with a CD EQ; hence you can look at each band of the P.A. frequency response, its peaks and troughs.
(I have also heard of other techs refering to pink noise as being flat.)
but, wikipedia says that Pink noise is not flat, and that it decreases 3 db per rising octave. (link here)
Which is it? (and what about all the other colors of noise?)