babumazda3 Posted October 24, 2014 Report Posted October 24, 2014 Hello all, This is my very first post in this forum, so please bear with me if i m asking something stupid. I have a 09 Mazda3. Last year i installed a 500W RMS 4channel amp for door speakers. Now I am adding a rockford fosgate P3 12in sub powered by 750W RMS mono amp. Will the stock wiring (big 3), stock alternator can handle this load? The amps are grounded by 4 gauge wire. The battery is grounded by a tiny 8 gauge. Does it cause any issue? I am thinking about carrying out the big 3. Can I start out by just grounding the battery with 4 gauge wire? Thanks
mcfalcon Posted October 24, 2014 Report Posted October 24, 2014 i have a kicker 750.1 and a mtx 400/4 in my corolla and my lights dim. If you can afford it I would suggest to go ahead and do it. Edit: Just puts less stress on alt. Still learning but have started gathering.
Aj11 Posted October 24, 2014 Report Posted October 24, 2014 always so the big 3! the one fuse and 12ft of wire is worth it! might cost you $30 bucks if you go with cca wire and some db link fuse blocks. jvc deck stinger 1800 front hc 2000 kinetic rear 2 runs of 1/0g big 3/4 ct 60.4 2 ct 1400.1 ct EXO 15 d1 lots of deadner type r comps front stage 6 kicker tweets rear stage lots of great stuff coming soon ho alt more bats ct comps for front stage more deadner sweet amp rack lots of L.E.D lights new deck (thinking 80 prs, or flip out)
babumazda3 Posted October 24, 2014 Author Report Posted October 24, 2014 Is it wise to keep everything stock and do the big 3 later? Winter has already approached chicago and i don't think i'll be able to do big 3 lol
mcfalcon Posted October 24, 2014 Report Posted October 24, 2014 Well I am not an expert but I can tell you that the risk is burning up your alternator which means no vehicle. That is the risk but 750 watts is not a terribly high number. You may get the answer you are looking for here but if you scroll further down the forum page we do have an electrical section where Im sure you can recieve some definitive advice. Welcome to SMD. Still learning but have started gathering.
GSanders17 Posted October 24, 2014 Report Posted October 24, 2014 Is it wise to keep everything stock and do the big 3 later? Winter has already approached chicago and i don't think i'll be able to do big 3 lol Could you keep it stock. Sure. Is it wise? No!
babumazda3 Posted October 24, 2014 Author Report Posted October 24, 2014 Although the amp for the sub is rated 750W, the sub is only 600W. So i doubt the total RMS at any given instant will be more than 1000W. The gain on the 4 channel is only at the half way mark.
Broke_Audio_Addict Posted October 24, 2014 Report Posted October 24, 2014 If you intended on not doing it why even ask? That being said a lot of people's definition of "music" is a clipped 30 hz sine wave with some 80 IQ knuckle head grunting about committing crimes and his genitals.
mcfalcon Posted October 24, 2014 Report Posted October 24, 2014 Well fellow all I can say is we answered your question. Now you are trying to convince us that our answer is wrong. We cant actually help someone like that. Still learning but have started gathering.
RainStryke Posted October 24, 2014 Report Posted October 24, 2014 The "big 3" isn't some huge project. It's actually fairly easy, you are just adding wires, not taking away.
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