fi audio Posted October 1, 2010 Report Share Posted October 1, 2010 (edited) im going to be running 3000 watts on fi btl 12" and i need to know if i need to upgrade alt its a 110 amp stock alt or if 2 d3400s will be good? Edited October 1, 2010 by fi audio Quote Setup: Headunit: 7" indash screen Sub: fi bl 12 Amp: Audioque 1200D Box Ported tuned to 34hz Big 3 done in 1/0 gauge Link to comment Share on other sites More sharing options...
AA98hoe Posted October 1, 2010 Report Share Posted October 1, 2010 DO big 3 wire up the 3400s and check drop when you rail it if it stays in 12s your fine for now, if not go with high output alternator if you can afford it. Quote TEAM DC AUDIO VEHICLE:98 chevy tahoe 2wd 3-4 drop HEADUNIT:alpine 9886 PREAMP:arcaudio FRONT STAGE:4-6 1/2s selinium,DD component set and 4-selinium tweeters in each door KICKPANELS:jl audio 5 1/4 REAR DOORS: dd components 6 1/2s HIGHS AMPS:zapco 750.2 on front doors,zapco an another 750.2 on kicks and rear doors SUBS:4-ascendant audio 18s with 5 spiders in a custom box built by KINGSUV SUB AMP: 2-dc7.5s ALTERNATORS: 3-mechmans 1- 425comp, 1-smd spec350, 1-270 with adj voltage harness on custom dc bracket WIRE:10-runs 0g front to back BATTERIES:6-d1400s TL results:157.1 at 38hz and 156.8 at headrest score @37hz. STATE AND NATIONAL RECORD IN MECA S5. Link to comment Share on other sites More sharing options...
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