john253a Posted April 26, 2014 Report Share Posted April 26, 2014 got a mate with a toyota (diesel) has a 70amp factory alt, and he doesn't want to add a second alt he has dual batt under the hood, and none in the rear I'm thinking 6-800rms max sub and 350-400 mids/high he wants like 1500rms sub and 450-500 mids/high what the the thorts of other, what have others successfully run off roughly this size alt long term Link to comment Share on other sites More sharing options...
ParDeus Posted April 26, 2014 Report Share Posted April 26, 2014 I've had 1700w of a Toyata 70a alt, with 2 underhood batteries, 220ah total. My voltage was around 12.7 full tilt. Now, this was with a Mmats amp @2ohm, so I suspect it was a bit more efficient than most. Link to comment Share on other sites More sharing options...
john253a Posted April 26, 2014 Author Report Share Posted April 26, 2014 tyring to talk him into the q1-750 & q4-120 1x hds312 and 3set of 6.5 comps (2 front 1 rear) so 750rms to subs and 580 to mids high (@14v witch i would expect will sit at 12.5-13v) maybe even a q1-1200 with the q4 i know he really would love a q1-2200 with 2x hds10, but i told him thats a no go with stock alt Link to comment Share on other sites More sharing options...
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