Members RoadRanger Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by agedhorse I would recommend the IPR-1600 for those subs ast they are a 4 ohm box, and 500 watts per box is plenty. They are listed as 8 ohms here: http://www.jblpro.com/catalog/genera...?PId=438&MId=3 I did check first . Link to comment Share on other sites More sharing options...
Members agedhorse Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by RoadRanger They are listed as 8 ohms here:http://www.jblpro.com/catalog/genera...?PId=438&MId=3I did check first . Sorry, I was thinking M-pro and MRX Link to comment Share on other sites More sharing options...
Members Vinny D Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by RoadRanger . It still amazes me that there are lots of bands hereabouts that "need" more than 110db at their ears from their monitors . Come to one of the shows I work and I will show you how loud monitors need to be to survive in this jungle! Link to comment Share on other sites More sharing options...
Members RoadRanger Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by Vinny D Come to one of the shows I work and I will show you how loud monitors need to be to survive in this jungle! I think I'd stop a couple blocks away and put my earplugs in if I was coming to one of your shows LOL. Link to comment Share on other sites More sharing options...
Members RoadRanger Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by agedhorse Sorry, I was thinking M-pro and MRX IMO most 500w+ rated subs should be 4 ohms to better match the available lower priced amps . Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted January 3, 2013 CMS Author Share Posted January 3, 2013 Originally Posted by Vinny D Come to one of the shows I work and I will show you how loud monitors need to be to survive in this jungle! Originally Posted by RoadRanger I think I'd stop a couple blocks away and put my earplugs in if I was coming to one of your shows LOL. WWWDD (What Would WynnD Do???) Link to comment Share on other sites More sharing options...
Members Vinny D Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by Craigv WWWDD (What Would WynnD Do???) Haha Link to comment Share on other sites More sharing options...
Members Consume Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by dughaze China At some point it is ALL going to be made in China. It's hard to compete against Slave Labor. Link to comment Share on other sites More sharing options...
Members agedhorse Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by RoadRanger IMO most 500w+ rated subs should be 4 ohms to better match the available lower priced amps . Nope, with bigger cheap amps it's too risky for speaker manufacturers. That's why we are seeing a shift back towards 8 ohm subs. Link to comment Share on other sites More sharing options...
Members soul-x Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by agedhorse Nope, with bigger cheap amps it's too risky for speaker manufacturers. That's why we are seeing a shift back towards 8 ohm subs. Agree. While perhaps not the most absolutely practical, it's what fits the expectations and availability of the market right now. Link to comment Share on other sites More sharing options...
Members RoadRanger Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by agedhorse Nope, with bigger cheap amps it's too risky for speaker manufacturers. That's why we are seeing a shift back towards 8 ohm subs. I can't think of an amp that isn't stoopid expensive that would overpower a 4 ohm PRX418S ? Surely the 840W from an IPR3000 isn't too crazy for the 800w rated PRX418S ? Link to comment Share on other sites More sharing options...
Members soul-x Posted January 3, 2013 Members Share Posted January 3, 2013 Originally Posted by RoadRanger I can't think of an amp that isn't stoopid expensive that would overpower a 4 ohm PRX418S ? Surely the 840W from an IPR3000 isn't too crazy for the 800w rated PRX418S ? Nope, but it's about right... And that's talking about a bottom-of-the market amp. Link to comment Share on other sites More sharing options...
Members Unalaska Posted January 4, 2013 Members Share Posted January 4, 2013 The jbl 4ohm single 18 thing bugs me, just sayin. Link to comment Share on other sites More sharing options...
Members agedhorse Posted January 4, 2013 Members Share Posted January 4, 2013 Originally Posted by RoadRanger I can't think of an amp that isn't stoopid expensive that would overpower a 4 ohm PRX418S ? Surely the 840W from an IPR3000 isn't too crazy for the 800w rated PRX418S ? Without proper processing, I would hesitate to recommend 800+ watts into that driver.In fact, IIRC that driver's rating changed from 600 to 800 watts without any other changes. I reconed plenty when they were rated at 600 watts (from folks educated beyond their own intelligence), why would I expect any different with the new rating?Even with the proper processing, you are well into the power compression curve at 800 watts. That's the point of diminishing returns. Link to comment Share on other sites More sharing options...
Members RoadRanger Posted January 4, 2013 Members Share Posted January 4, 2013 ^ I was wondering where they got that 800w driver from without it being one of the differential drive ones. Kinda sad that more and more manufacturers are just making up their specs . Link to comment Share on other sites More sharing options...
Members agedhorse Posted January 4, 2013 Members Share Posted January 4, 2013 Originally Posted by RoadRanger ^ I was wondering where they got that 800w driver from without it being one of the differential drive ones. Kinda sad that more and more manufacturers are just making up their specs . Worse than that...The sample I saw had a 2242HPL, but it looks like they are now using a Selenium 18SWS1000W (varient) which is rated in Brazilian watts at 1000, but 800AES. IMO, the AES number is a new rating scale that only requires survival for 2 hours. Frankly, I would find a 2 hour lifespan to be impractical in the real world. With the Xmax that's specified, without the proper HPF you will exceed LF-Xmax well before 800 watts. With the proper HPF and limiting, I would recommend around 800-900 watts. Without, stick closer to 500 watts. Link to comment Share on other sites More sharing options...
Members RoadRanger Posted January 4, 2013 Members Share Posted January 4, 2013 Hmm... I see a 18SWS1100 with a 9.3mm xmax and a 18SWS800 with a 6.5mm xmax and also a 18SWS600 with a 3.8mm xmax ? But in any case quite weird that they aren't using a JBL driver . Link to comment Share on other sites More sharing options...
Members Gordon Sound Posted January 5, 2013 Members Share Posted January 5, 2013 Originally Posted by RoadRanger But in any case quite weird that they aren't using a JBL driver . http://www.jblselenium.com/marcas/home.php Selenium is now JBL Selenium Link to comment Share on other sites More sharing options...
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