beefheart Posted February 10, 2008 Share Posted February 10, 2008 I'm limited budget-wise at the moment so would like to run two PA systems side by side rather than upgrade to a bigger amp/speaker set up My mixer can handle enough seperate group outs/LR out and there is enough outboard so that's okay. I plan on running a self powered HK Audio (about 600 watts) for drums/bass/gtr alongside a couple of JBL Eon (500w) for vocals (and poss. a little keyboard/acoustic) My question is from a technical/physics point of view would there be any issues/drawbacks in this. I presume there shouldn't be any cancellation to speak of as the two systems are running different source audio Thanks for any help. Link to comment Share on other sites More sharing options...
MarkPAman Posted February 10, 2008 Share Posted February 10, 2008 Yes. Been there, done that, happy with the results. You may find some of this interesting. Link to comment Share on other sites More sharing options...
StevieR Posted February 10, 2008 Share Posted February 10, 2008 As you're planning to split the source material between the systems then phase problems are avoided. However, if you were hoping to greatly increase your system power you will find that the increase is not as much as you would expect. Steve Link to comment Share on other sites More sharing options...
Rob_Beech Posted February 11, 2008 Share Posted February 11, 2008 also, be advised that 15's and vocals aren't the best of friends, so the idea of Eon's for the main vocals is probably not ideal. Link to comment Share on other sites More sharing options...
beefheart Posted February 11, 2008 Author Share Posted February 11, 2008 also, be advised that 15's and vocals aren't the best of friends, so the idea of Eon's for the main vocals is probably not ideal. Thanks for your advice guys. I've switched the system around so that KICK, BASS GTR and VOCALS will go to the main PA (with the sub) whilst the KEYS, GTRS, SNARE, TOMS will route to the 15" EONS. I'm not looking for a massive increase in spl, just some more headroom for the vocals and I figure that it can be more efficient (at least in a budget set up) not to have the vocals fighting for room with everything else through a single driver. Link to comment Share on other sites More sharing options...
Rob_Beech Posted February 11, 2008 Share Posted February 11, 2008 The key here is to try it out, try a few different methods and see what works best for you. Being able to keep the options open is always a bonus, you may find some things work better at some venues, but other methods at others. Link to comment Share on other sites More sharing options...
Stuart91 Posted February 11, 2008 Share Posted February 11, 2008 I've experimented with this kind of thing recently and was quite pleased with the results. I had two pairs of main speakers, although they were identical cabinets. Sent vocals and a few other things to one set, and most of the bass-heavy instruments to the other. (Bass guitar, keys etc.) There seemed to be a real increase in vocal clarity, although I wasn't able to do any kind of blind test of it. I'm not sure if this kind of setup is worthwhile doing on a regular basis. The situation I was in was relatively unique. We were covering an event many miles away from our base, so I took the extra speakers and amps to have spares on hand in case of some kind of equipment failure. And one pair of the boxes I was using would cover the entire room with ample volume anyway. However, if you're struggling to cover the room with the gear you have, it might be an option worth pursuing. Far better than doing what I once did (way back when I first starting trying to run sound) when I hired an extra PA to supplement my gear, fed the same mix into both of them, and wondered why it didn't sound nearly as good as I had been hoping. I found out later that the hired rig was wired with opposite polarity to my own gear, and I'd probably have got higher volume levels by turning one of the rigs off. Live and learn... Link to comment Share on other sites More sharing options...
Ellwood Posted February 19, 2008 Share Posted February 19, 2008 also, be advised that 15's and vocals aren't the best of friends, so the idea of Eon's for the main vocals is probably not ideal. Thanks for your advice guys. I've switched the system around so that KICK, BASS GTR and VOCALS will go to the main PA (with the sub) whilst the KEYS, GTRS, SNARE, TOMS will route to the 15" EONS. I'm not looking for a massive increase in spl, just some more headroom for the vocals and I figure that it can be more efficient (at least in a budget set up) not to have the vocals fighting for room with everything else through a single driver. Hi, where abouts in the UK are you? Our band has a truck full of gear if you want to borrow any for a drink.Ellwood Link to comment Share on other sites More sharing options...
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