jeffwall 0 Posted February 1, 2007 Report Share Posted February 1, 2007 Right been asked to DJ in the local pub some friday nights The set up the pub has is........2 peavey speakers mounted on the wall.......powered by a soundlab powered mixer behind the bar I walked in to set up as a trial tonight (just to test the gear for tomo night) My set up is line only out of my mixer.......have fed it to the sound lab powerd mixer behind the bar via 2 xlr leads into 2 microphone inputs on the mixer.... Soon as i remove my xlr leads from either my end or the bar end the hum stops So whats my problem?? I believe the problem has occurred frequently with other DJ's, so may be a grounding fault at the supply source> Not sure? I cant bring his mixer over to where i am working because the speaker output cables from his powered mixer are all run in trunking and cant really be altered Can i get rid of this buzz/hum by using a Di box? Thanks jeffro PS ..... Ive got to run my lines from my mixer into "the microphone inputs because the Pub's soundlab mixer has only these available in xlr "ins" The rear of the mixer does however have phono "ins"............should i be swapping my xlr connections to suit them instead? In other words, is it the microphone "ins" (xlr) thats causing the problem?? Link to post Share on other sites
DJ Marky Marc 0 Posted February 1, 2007 Report Share Posted February 1, 2007 Its a ground loop problem.. .have fed it to the sound lab powerd mixer behind the bar via 2 xlr leads into 2 microphone inputs on the mixer.... use the record out or phono output of yourr mixer and run it into one of the line inputs on theres... if he hum is still there you will need ato pop into maplins and get a loop isolator.. DI boxes are the expensive option. <a href="http://www.djassociates.org"><img src="http://www.djassociates.org/anims/compres_banner.gif" alt="Join the DJ Associates Disc Jockey Association" border="0" width="468" height="60"></a> Link to post Share on other sites
norty303 0 Posted February 1, 2007 Report Share Posted February 1, 2007 Yeah, the mic inputs are your problem. Basically you can either get aDI box and run into that from the mixer and then into the mic inputs, or run a phono lead into the phono (or marked 'tape' on some mixers) on the back. If your cable run is over 10 meters go the DI route. DIY plans and pro audio related technical discussions www.speakerplans.com/forum Link to post Share on other sites
Kingy 0 Posted February 1, 2007 Report Share Posted February 1, 2007 Agreed, DI Box should solve this. The behringer ones are very good and reasonably priced circa £25 a piece I think. Link to post Share on other sites
Steve_Mitchell 0 Posted February 2, 2007 Report Share Posted February 2, 2007 (edited) use the record out or phono output of yourr mixer and run it into one of the line inputs on theres... Yes this is what I do at my ressy pub...You`ll need to buy a couple of convertors... Jack to phono etc. either that or don`t be so lazy and take your own cabs....LOL. Edited February 2, 2007 by stevemitchell Steve 5 European cups and 18 leagues, that`s what we call history. Link to post Share on other sites
HalfPint 0 Posted February 2, 2007 Report Share Posted February 2, 2007 If you need some PM me : only abot 3000 in stock http://www.dragonspirit.co.uk/mambo/components/com_phpshop/shop_image/product/3a5551ba9695e4c6a88b8425053ac545.jpg Link to post Share on other sites
Steve_Mitchell 0 Posted February 2, 2007 Report Share Posted February 2, 2007 or something like this. http://img266.imageshack.us/img266/74/phononm8.jpg Steve 5 European cups and 18 leagues, that`s what we call history. Link to post Share on other sites
jeffwall 0 Posted February 2, 2007 Author Report Share Posted February 2, 2007 Ok ta folks!! Link to post Share on other sites
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