CECAA850 Posted November 25, 2014 Share Posted November 25, 2014 I'm a QSC man myself. Quote Link to comment Share on other sites More sharing options...
babadono Posted November 25, 2014 Author Share Posted November 25, 2014 I use the XLS-202 to power my 2 THT's, and I recommend it. They have replaced it with an XLS-1000 I believe. No matter, just whatever size you need for your application with some headroom... The XTi is AB I think, and the XLS is a Class D. I will come back and correct this if I am mistaken. I'm right, I just checked. Most experts agree that Class D is best bang for buck on subs. More efficient, cooler, lighter, and for low frequencies just as good. Hey Craig, How'd you figure out the XTi-2 is class AB? I've been searching Crown's website for half an hour and I can't find it. Thinking I'll call Crown tech suppport on Monday. Yep, you are correct. Just got off the phone with Kip at Crown tech support. He says the 3 lower wattage XTi 2s are class AB +B. Which means there is a master pair of output devices running class AB and slave devices running class B. The masters smooth out the crossover distortion that would be present if all devices were class B. The biggest amp is class I. Quote Link to comment Share on other sites More sharing options...
babadono Posted November 25, 2014 Author Share Posted November 25, 2014 Crown calls the XTi an AB+B amplifier. You sir are double plus correct. Quote Link to comment Share on other sites More sharing options...
babadono Posted November 25, 2014 Author Share Posted November 25, 2014 I had one for a short while and it was great. A consideration is a DSP modle. Very useful for tunning a sub. Derrick, Yea I was thinking it would be handy to have the DSP on board. Did you ever use the sub harmonmic synthesizer? Quote Link to comment Share on other sites More sharing options...
SWL Posted November 25, 2014 Share Posted November 25, 2014 I heard them K series is some good stuff. Love my K2. On the lookout for another one...or three. Quote Link to comment Share on other sites More sharing options...
HPower Posted December 20, 2014 Share Posted December 20, 2014 I am thinking about buying an amp to power a pair of F20 subs for my HT, I was leaning towards a Crown XLS1500, second choice might be an iNuke 3000DSP but would probably pick Crown due to me knowing the "Brand" name better. WIll a XLS1500 a good match for 2 F20s? F20s will be a spring project, once the weather is nice enough to work outside. Quote Link to comment Share on other sites More sharing options...
mustang guy Posted December 20, 2014 Share Posted December 20, 2014 Possibly HPower. What exact drivers are you using? Need to know impedance too... Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted December 20, 2014 Share Posted December 20, 2014 I had one for a short while and it was great. A consideration is a DSP modle. Very useful for tunning a sub. Derrick, Yea I was thinking it would be handy to have the DSP on board. Did you ever use the sub harmonmic synthesizer? Somehow I missed this one. I don't even know what a sub harmonic synthesizer is. I wasn't planning on looking anything up today, lol. Quote Link to comment Share on other sites More sharing options...
HPower Posted December 21, 2014 Share Posted December 21, 2014 Possibly HPower. What exact drivers are you using? Need to know impedance too... I have not done a ton of planning yet but the "Dayton Audio RSS390HF-4 15" Reference HF Subwoofer 4 Ohm" seems to be commonly used in the F20 builds. Is this the best driver choice? I wonder what different driver Carl has tried in his builds. Would the think the 2 x 525Ws at 4 Ohms of the XLS 1500 should match well with that'd driver in 2: F20s? PE has $40 off on the XLS 1500 until the end of Dec. Quote Link to comment Share on other sites More sharing options...
mustang guy Posted December 21, 2014 Share Posted December 21, 2014 It sounds like a good match with plenty of headroom to boot. Quote Link to comment Share on other sites More sharing options...
HPower Posted December 23, 2014 Share Posted December 23, 2014 Yesterday I messaged unique square on FleaBay and asked if they would pass on the $40 Crown instant rebate that is being offered until the end of Dec. and they responded by saying to try entering a price in the "Make an Offer". So I offered $278, instead of the "buy it now price" of $318. Offer accepted and XLS 1500 will arrive on Dec. 31. Not a bad price for anybody wanting one of these right now. Quote Link to comment Share on other sites More sharing options...
mustang guy Posted December 23, 2014 Share Posted December 23, 2014 Good price. Quote Link to comment Share on other sites More sharing options...
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