Members kerf Posted February 22, 2007 Members Share Posted February 22, 2007 I am looking to add a sub or two to my PA. We play small bars up to 350 person rooms. I'm planning to put the bass player, kick drum, and possbily low end on the keys through the sub. I'm trying to decide whether I want to go with a 2x18 and just drag it everywhere or go with two 1x18's and take one for smaller rooms and both for the bigger places. I'm considering it from both a volume perspective and a sound perspective. The 2x18 is also attractive because of less expense buying one box rather than two. Any input? I've been looking at used Mpro's and Yorkville's as well as new MRX. Right now I would probably go up to around $800 +/- for a 2x18 and $450 +/- for a 1x18 probably getting one now and another in the not too distant future. To drive it/them, I have one side of a QSC 2450 and both sides of an 1850 which I could also bridge if needed. I would prefer passive subs for weight purposes and also because I don't wanbt to pay for amps I don't need. I have a DRPA so I don't need a crossover. Link to comment Share on other sites More sharing options...
Members agedhorse Posted February 22, 2007 Members Share Posted February 22, 2007 2 x 118's is my preference for the reasons you mention. For what you are looking at, 600 watts per box or so is plenty good. one side of a 2450 is fine. Beware that the stock MP-418 is a 4 ohm driver, so briding with anything is not viable. One speaker per channel on the 1850 or both speakers on one channel of the 2450 is fine. If you go with the 8 ohm loads, parallel would be 4 ohms and you could bridge the 1850, but you may find that the 2 boxes on the 2450 channel to be just fine as well as one box per channel on the 1850. Link to comment Share on other sites More sharing options...
Members dboomer Posted February 22, 2007 Members Share Posted February 22, 2007 Generally a pair of single 18 cabs will behave the same as a dual 18 cab. Single cabs may be more convienient ... but cost more. Link to comment Share on other sites More sharing options...
Members flanc Posted February 22, 2007 Members Share Posted February 22, 2007 I went with single 18 (Mpro418) subs and I (and my bandmates) and lugg them without assistance. I have four, and we typically use all four, but find the singles easier to move. We have also used just one per side in very small (for us) rooms and that has worked well too. Link to comment Share on other sites More sharing options...
Members kerf Posted February 23, 2007 Author Members Share Posted February 23, 2007 Thanks, I think two 1x18's it is. Appreciate the amp advice, Agedhorse. Flanc, what size places are you playing that would require 4 subs? When do you decide to go from 2 to 4? Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted February 23, 2007 CMS Author Share Posted February 23, 2007 I can tell you from experience....get the 1x18's. The added expense is well worth it. Signed, Guy with SR4719X's Link to comment Share on other sites More sharing options...
Members death metal jim Posted February 23, 2007 Members Share Posted February 23, 2007 i have some single Yamaha 18s and they are easy to move ,almost as easy as my monitors. Link to comment Share on other sites More sharing options...
Members timmcallister Posted February 23, 2007 Members Share Posted February 23, 2007 I have two single 18, JBL 418s. I use whatever I need for the gig, but usually, one for shows up to about 150 people and both for outdoors and bigger crowds. works great for us. you mileage will certainly vary... Link to comment Share on other sites More sharing options...
Members agedhorse Posted February 23, 2007 Members Share Posted February 23, 2007 For large systems, where stage hands are available and the situation is geared for larger productions, the 218 cabinets (and larger) can be more convenient and cheaper per dB of total output. For smaller venues, the smaller form factor wnd lighter weight per unit can be a big plus when menuvering in tight spaces and up stairs. Link to comment Share on other sites More sharing options...
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