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Author Topic: QSC ISA-MX series Antonio Marcheselli Phenomenal Film Handler Posts: 1260 From: Florence, Italy Registered: Mar 2000 posted 03-01-2003 04:54 PM                        Hi What are the main differences between ISA and MX series amplifiers? Bye Antonio  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 03-01-2003 05:22 PM                     The ISA is the replacement for the USA serries which was the "low end" of the qsc cinema line The MX was the top end and the DCA's are now the top end note no amp from QSC is really low end just relative  |  IP: Logged Antonio Marcheselli Phenomenal Film Handler Posts: 1260 From: Florence, Italy Registered: Mar 2000 posted 03-01-2003 06:29 PM                        Gordon, Of course... What means, in your words, low-end and top-end? What are, in your opinion, the differences between the two series? Bye Antonio  |  IP: Logged Dave Macaulay Film God Posts: 2321 From: Toronto, Canada Registered: Apr 2001 posted 03-01-2003 07:11 PM                     The differences are price and features. The ISA is a an updated USA series really, it adds a DPV2 data port to the basic transformer power supply amplifier. Good power at a good price, if you use their DPV2 crossover it gets pricier. The DCA has a switching power supply and more digital features. With the digital monitor, you can wire a sound rack without any fiddly signal wiring as it all (ok, almost all) goes through VGA type multi cables. Not overly expensive if you count the time needed for doing all the cabling for a standard sound rack. Obvious drawback is that a DCA rack isn't amenable to using other types of amps in an emergency.  |  IP: Logged Gordon McLeod Film God Posts: 9532 From: Toronto Ontario Canada Registered: Jun 99 posted 03-01-2003 09:26 PM                     The ISA is also noisier in my opinion and hotter and way to deep on the rack space compare to the USA As for the VGA cable I make my own anyway since cable dress I am a bit anal over and premade cables suck Also I have adapter PCB breakouts that have the 15 pin to a terminal strip for emergancies  |  IP: Logged

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