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<blockquote data-quote="SWFL" data-source="post: 6187564" data-attributes="member: 607847">I am needing an amp to do 3500rms min. More the better. Price range doesnt matter really will spend up to say 1200 bucks. would like that 700-1k dollar rangeheres some amps I am looking at2 used IA 20.1&#039;s for 680 shipped each will be ran at .5ohm daily(can they handle it)a sundown 3500 refurb for 760 shipped or new for 870 shippedused RD 5750.1 for 750 local pickupnew RD D9 for around 950-1000Atomic 5k or cactus 5k If i can find one.maybe even a IA 40.1 around 700 used if I can find oneor a sundown 4500 for 1125 shipped??only thing that sucks about used is no warranty. how big of a factor will that be buying used?heres the electrical so let me know if I can run any of these amps at full tilt at idle only gonna need around 4krms since my subs are dual 2ohms 800rms each so 1krms tops will be their limit i will give themthis is my electrical160-170idle 240max dc power alt4 runs of 1/0 to the back 2 ground, 2 power, 2 more frame grounds in the back3 C&amp;amp;D 135AH batts in the backbig 3 doubled in 1/0duralast gold upfront-soon will replace with something else prob a optima</blockquote>

[QUOTE="SWFL, post: 6187564, member: 607847"] I am needing an amp to do 3500rms min. More the better. Price range doesnt matter really will spend up to say 1200 bucks. would like that 700-1k dollar range heres some amps I am looking at 2 used IA 20.1's for 680 shipped each will be ran at .5ohm daily(can they handle it) a sundown 3500 refurb for 760 shipped or new for 870 shipped used RD 5750.1 for 750 local pickup new RD D9 for around 950-1000 Atomic 5k or cactus 5k If i can find one. maybe even a IA 40.1 around 700 used if I can find one or a sundown 4500 for 1125 shipped?? only thing that sucks about used is no warranty. how big of a factor will that be buying used? heres the electrical so let me know if I can run any of these amps at full tilt at idle only gonna need around 4krms since my subs are dual 2ohms 800rms each so 1krms tops will be their limit i will give them this is my electrical 160-170idle 240max dc power alt 4 runs of 1/0 to the back 2 ground, 2 power, 2 more frame grounds in the back 3 C&D 135AH batts in the back big 3 doubled in 1/0 duralast gold upfront-soon will replace with something else prob a optima [/QUOTE]

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