4 channel amp to a Dual 4 ohm sub..

Sexy Kuta Bronze Member Username: Sexy_kuta Post Number: 99 Registered: Sep-05	Posted on Monday, December 24, 2007 - 03:29 GMT purchasing a se15, would a XT1600.4, 450rms at 2ohms X4 someone told me that running a 4 channel amp to a sub is a bad idea. something about Intependant gains and crossovers for each voice coil. could someone explain to me that?
M.S. Gold Member Username: Nd4spd18 Northwest PA Post Number: 4856 Registered: Jul-06	Posted on Monday, December 24, 2007 - 03:41 GMT A class D (mono) amp is what should be used for subs, simply because they are a LOT more efficient than a 2 or 4 channel amp.
Sexy Kuta Bronze Member Username: Sexy_kuta Post Number: 100 Registered: Sep-05	Posted on Monday, December 24, 2007 - 04:00 GMT would there be a problem in running a 4 channel amp?
M.S. Gold Member Username: Nd4spd18 Northwest PA Post Number: 4864 Registered: Jul-06	Posted on Monday, December 24, 2007 - 04:46 GMT Yeah sort of. With a 2 channel amp you can bridge it to 1 channel for a sub, but a 4 channel amp can only be bridged to 2 channels. Also the low efficiency puts a major demand on your electrical system.
Sexy Kuta Silver Member Username: Sexy_kuta Post Number: 101 Registered: Sep-05	Posted on Monday, December 24, 2007 - 04:50 GMT what if i bridged two channel to a coil and the other two channels two another coil? its a dual 4 ohms
M.S. Gold Member Username: Nd4spd18 Northwest PA Post Number: 4869 Registered: Jul-06	Posted on Monday, December 24, 2007 - 04:59 GMT You wouldn't get much power out of it that way. If it were dual 2 ohms you could do that but you would have to make sure the settings for both channels were exactly the same.
Sexy Kuta Silver Member Username: Sexy_kuta Post Number: 102 Registered: Sep-05	Posted on Monday, December 24, 2007 - 05:09 GMT damn, I guess i'll have to wait and look at somethign good for an amp. what do you guys recommend?
Sexy Kuta Silver Member Username: Sexy_kuta Post Number: 103 Registered: Sep-05	Posted on Monday, December 24, 2007 - 06:51 GMT how about a xt1600.2 Dynamic power: 1600w RMS power (2ohm): 400w x 2 RMS power (4ohm): 200w x 2 Bridged power (4ohm): 1100w x 1
Optidriven Gold Member Username: N2audio Lawrence, Ks USA Post Number: 1433 Registered: Mar-04	Posted on Wednesday, December 26, 2007 - 14:44 GMT between the 2 I think the 4 ch is the better option. You can run 2 bridged channels per coil - like you mentioned. I don't see a problem. I would use a DMM to match the gains, and y cables to split your HU's sub or rear output to make sure each coil is receiving the same signal, or as close as possible. However - at $300-$350 there are definitely better options.
SomeDonnieDude Silver Member Username: Somedonniedude Illinois United States Post Number: 600 Registered: May-07	Posted on Wednesday, December 26, 2007 - 19:07 GMT kicker kx600.1 rockford t5001bd Both on ebay for about $200 shipped.
kimbell New member Username: Killuarstan Nanticoke, Pa Usa Post Number: 1 Registered: Jan-08	Posted on Saturday, January 05, 2008 - 03:49 GMT hey i have a pdx alpine with 4 cannels how do i bridge it no one can tell me how to do it
kimbell New member Username: Killuarstan Nanticoke, Pa Usa Post Number: 2 Registered: Jan-08	Posted on Saturday, January 05, 2008 - 03:57 GMT with two kicker comp 4 ohm each and i dont have the manual any more and cant find a good one online
cam Gold Member Username: •cam• BC Canada Post Number: 1527 Registered: Nov-06	Posted on Saturday, January 05, 2008 - 04:28 GMT It should be in the manual.

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