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				Re: Truck Tuba by a Teenager
				Posted: Tue Dec 23, 2014 12:33 pm
				by bassmonster
				I decided to upgrade to an Infinity 860w driver, it has a lot more xmax than the MCM.  I swapped the MCM over to a friend's 4" TrT that I posted a build thread on recently.
			 
			
					
				Re: Truck Tuba by a Teenager
				Posted: Tue Dec 23, 2014 5:29 pm
				by 67baja
				So what is the performance difference the 2 drivers?  Is the Infinity a direct bolt in replacement for the MCM?
			 
			
					
				Re: Truck Tuba by a Teenager
				Posted: Wed Dec 24, 2014 12:24 pm
				by bassmonster
				67baja wrote:So what is the performance difference the 2 drivers?  Is the Infinity a direct bolt in replacement for the MCM?
The bolt pattern is the same, but it is a little larger diameter, so you'll have to drill new pilot holes for the bolts.
Performance is much better for the Infinity, as it has ~5mm or so more xmax and takes double the RMS wattage.  Infinity has reportedly had some quality control issues lately, but my driver had no problems.
I think the Infinity 860w will be my go-to driver from now on.