btroupjr

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  1. It sounds like you'll be way underpowered with one XTI4000, although 1 XTI 4000 will be way better for the longevity of your subs, than your current sub amp. IMHO. Plus. when using horn loaded subwoofers, your potential for blowing speakers is much greater due to the higher compression, and lower audible distortions, you'll be able to use the XTI's on-board limiters for further protection. I recommend using 2 XTI4000's on the subs, and 1 XTI4000 for the mids, and an XTI2000 on the horns. Saving your pennies and getting this configuration will allow you tremendous system capability. You'll be very loud and not have to push everything into clipping to be loud enough. Your speakers will thank you for going the extra mile.
  2. Try taking out the DriveRack PA out of the signal chain of the subs. (Just use it for your top end processing if you need to) and just use your XTI crossover to control your sub frequency. I had a DriveRack PA in use with my Itech's and I ran into several issues that don't relate to the amps, but originated with the DRPA. I was un able to adjust any parameters of the subwoofers other than levels and limiting. (Perhaps my inability to operate the DRPA correctly? Not sure) What I found was that the DRPA couples the low end to a summed mono signal and allows for no individual left to right adjustments. Essentially, the subwoofer frequencies were mono. I found that once I switched over to a competitors loudspeaker processor (Similar to the Driverack 260) I was able to adjust phase and polarity of the subwoofer signal to attenuate for the room. Running the subwoofer signal, with the ability to CONTROL the signal going to each side of the room, allowed me to gain more than 10 db in almost every room I run the system in. It was a remarkable difference that gave me more headroom than I will ever need, as compared to constantly clipping the amps trying to get low end to come through. Now I never clip the amps. At first I thought I had a phase problem in my wiring and I went through heck trying to find a wiring problem. But there were none. I tore everything apart to find no wiring problems. I was at my wits end til I tried a more controllable processor. The DRPA is a good sounding piece of gear. But it's lack of control and it summing of the signals can cause problems. At least it did for me. Another XTI4000 would benefit you greatly as well. It would give you alot of headroom as well. A Driverack 260 will also help alot. Another amp and a different processor would give you results that are astounding. Even with using mid level subwoofers.
  3. The simple answer to your question is "NO" this will not fill this room with "Club Like" sound. You will be lucky to hear this set up more than 75 feet away. You will NOT feel it more than 50 feet away. The equipment you need to do what you are asking to do is exponetially larger than anything you currently have. I would suggest hiring a pro sound company or renting the required equipment to do the job. Otherwise you'll just make yourself look bad. Sorry to disappoint all who said he'll be fine. He won't in that room or any room of significant size. So do him a favor and don't let him believe he'll be ok. be honest and truthful. ANY experienced professional would agree with me.
  4. Hi SoundExplosion, Actually.... My Itech's chew up and spit out the macro's.... without a doubt! I certainly understand your point though. But on my B-rig, I am really trying to reduce power consumption and weight, without loosing to much of the headroom and sound I require. I realize that I may be loosing some horspower, but I will gain so much more. For low end, my plan is to use 2 lightweight amps replacing each macro 3600 I currently use. So I don't loose too much horsepower in this rig, and still not have to invest the megabucks on the Itech's. The XTI's seem like a logical way to go, since I am used to ITech structuring. I appreciate what you say about the Macro's though, but do you own an XTI and have you actually done a comparison to back up what you are saying? If so, I would like to hear exactly what you have done and your specific results that forced you to mention such a strong statement. If you haven't, I still was happy to hear an enthusiastic opinon from a true Macro fan! Thanks everyone, Brian 4471[/snapback] Just so you know, I own almost 60 Itec's, most of them 8000's and 6000's and a few 4000's. This was supposed to be an upgrade from my MA5002's. Believe me, I know them inside out. They are ok. But put it this way, I really really miss my Marco Tec's. I have been a die-hard Crown guy through my entire Sound carrer, so believe me im not trying to sell you on a differnt brand, but there is no comparison between the new stuff and the old stuff. Sad But true. 4474[/snapback] I absolutely agree!! I am a big fan of the old high current amps myself. I even own the good old Crest 10001 amp that I will never give up!! But this post was made to see what exactly I would be giving up going from the Macro's to light weight amps. I needed to see if they are worth the loss or not. But I too am a die hard Macro man myself so I am with you all the way there. Unfortunately, times are a changing and I need to adapt to meet weight and power consumption problems that I contiually have to deal with, not to mention budget issues. But nothing thumps a sub like the ma5002 in my book to. The Itech8000's seem to provide me with endless power as well, but they have the big price tag as you are MORE than aware of (60!!!!) lol Thanks for your thoughts on this, but I need to keep this just to getting the opinions of those who actually used both the XTI's and the mac's.
  5. Hi SoundExplosion, Actually.... My Itech's chew up and spit out the macro's.... without a doubt! I certainly understand your point though. But on my B-rig, I am really trying to reduce power consumption and weight, without loosing to much of the headroom and sound I require. I realize that I may be loosing some horspower, but I will gain so much more. For low end, my plan is to use 2 lightweight amps replacing each macro 3600 I currently use. So I don't loose too much horsepower in this rig, and still not have to invest the megabucks on the Itech's. The XTI's seem like a logical way to go, since I am used to ITech structuring. I appreciate what you say about the Macro's though, but do you own an XTI and have you actually done a comparison to back up what you are saying? If so, I would like to hear exactly what you have done and your specific results that forced you to mention such a strong statement. If you haven't, I still was happy to hear an enthusiastic opinon from a true Macro fan! Thanks everyone, Brian
  6. You can save a lot of system headaches alone with the XTi series running off of 15 amp AC outlets. The MA3600vz requires a 30 amp AC outlet to get full output and unless you have your own AC distro I don't know of two may venues that offer the power needed for the 3600. 4433[/snapback] Exactly!! Finding power for 14 of the 3600's is near impossible! At least here in the middle of nowhere!
  7. Thank you schnakesound. That is exactly what I wanted to know. I appreciate your opinion!
  8. Can anyone describe the AUDIBLE differences between the XTI 4000 and the Mac 3600 - doing the almighty subwoofer duty? Say... each one bridged into the same 4 ohm load.... I am interested in the differences in such areas such as power output comparison, sonic impact, tightness, overall SPL capability differences? Basically has anyone A-B'ed between these 2 amps? Obviously there are DSP, AC consumption, and weight advantages and such, but I was wondering how one amp really compared to the other. I am considering replacing my 14 mac amp inventory over to the XTI's, but obviously I am slightly reluctant. Any help is appreciated. Sorry if this is a redundant topic. I would be happy with biased opinions from the Crown folk as well. You know your amps better than most!