Members Andier Posted February 22, 2007 Members Share Posted February 22, 2007 Following the instructions on the handbook, I used to cranked up the output level on my PODxt live almost all the way up, (The handbook says this ensures best Signal-Noise Ratio, and it worked fine!) However, last time I tried to do so, I suffered from a unbearable noise, which can only be reduced by lowering the output level on the POD (from 85% to 20%), and compensating it by boosting using the mixer. Notic that, in that case, I use a tone that has no noise gate hooked in, and a relatively long distance of cable, probably low quality. And I forgot whether I used the amp output mode or the line output mode...... I've been really puzzled...If any one will come up with some explanation, appreciated!! Link to comment Share on other sites More sharing options...
Members Mackin Posted February 22, 2007 Members Share Posted February 22, 2007 Maybe like you said, cables. Or any other piece of gear that isn't well shielded that generates noise (which gets amplified through the next stages). :?: Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted February 22, 2007 CMS Author Share Posted February 22, 2007 What sort of noise? High or low frequency? How long was the cable run? Is it a balanced connection (using XLR or TRS cables) or simply guitar cable? If the POD's output isn't balanced, I recommend using a short cable to a DI box and an XLR balanced line for the long run from there to the mixer. Link to comment Share on other sites More sharing options...
Members GCDEF Posted February 22, 2007 Members Share Posted February 22, 2007 Playing a Strat next to neon beer signs will do it. Link to comment Share on other sites More sharing options...
Members Andier Posted February 22, 2007 Author Members Share Posted February 22, 2007 Wow~~ thank you guys! these replies really inspire! Sorry I wasn't specific enough... it ws background noise, loud when I was not playing, and gave bad feedback when playing... frequency... um.... don't remember....... the cable ran 15 meter maybe.. the signal was the unbalanced output from POD, via TRS cable. I guess, maybe there are not enough clues to find out the exact reason..~ but any suspicious weakpoints? Link to comment Share on other sites More sharing options...
Members Andier Posted February 22, 2007 Author Members Share Posted February 22, 2007 I was playing an Variax, which normally gives little noise... Link to comment Share on other sites More sharing options...
Members agedhorse Posted February 22, 2007 Members Share Posted February 22, 2007 Sounds like maybe there was WAY too much compressor or limiter on a preset. The combination of excessive noise AND bad feedback are 2 clues to this. Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted February 22, 2007 CMS Author Share Posted February 22, 2007 That and a 50-foot unbalanced run. Use a DI to get that signal balanced and closer in impedance to what the mixer expects. Reduce or remove comp/lim and see if this improves things. Link to comment Share on other sites More sharing options...
Members Mr.Talent Posted February 23, 2007 Members Share Posted February 23, 2007 Wow~~ thank you guys! these replies really inspire! Sorry I wasn't specific enough... it ws background noise, loud when I was not playing, and gave bad feedback when playing... frequency... um.... don't remember....... the cable ran 15 meter maybe.. the signal was the unbalanced output from POD, via TRS cable. I guess, maybe there are not enough clues to find out the exact reason..~ but any suspicious weakpoints? Don't use a TRS cable with an unbalanced output.... Link to comment Share on other sites More sharing options...
Members bigmike216 Posted February 23, 2007 Members Share Posted February 23, 2007 Why not? It's not a problem. Link to comment Share on other sites More sharing options...
Members Andier Posted February 23, 2007 Author Members Share Posted February 23, 2007 Yes, I used much distortion and compression on that tone... Clean tone and tones that were with noise gate were immune to these.. Link to comment Share on other sites More sharing options...
Members agedhorse Posted February 23, 2007 Members Share Posted February 23, 2007 Yes, I used much distortion and compression on that tone...Clean tone and tones that were with noise gate were immune to these.. Yup, there's your problem. Noise will increase directly proportional to the additional gain reduction from both the compression and distortion effects. try backing down on this. Link to comment Share on other sites More sharing options...
Members Andier Posted February 24, 2007 Author Members Share Posted February 24, 2007 Yeah~ I'll be aware of this next time Thank you guys~ well done on this one!! Link to comment Share on other sites More sharing options...
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