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Alt companies don't frequent the forums, so don't expect them to come to you. There has been a few people here who have had good luck with Singer alternators, http://singeralternators.com/ I sorta hate even mentioning them, but you might check DC Power Engineering, http://dcpowerinc.com You'd have to email them because they don't always list everything they make on their site. Their alts are great, but at times their C/S and turn over time is terrible. So I would consider them as last resort. The possibility of buying an oem alt and shipping it off to someone to "up" the amperage isn't the best idea. Generally they'll end up rewiring the internals, swapping alt pulley, and you might end up with more amperage at high rpm, but it'll be worse than stock at lower rpms, and the case hasn't been changed to deal with the extra heat build up so reliability is questionable.

Excluding horseshit companies. An amp is an amp is an amp. It all comes down to installation and planning which should be done WAY before shopping. You want to do this backwards and bitch about people actually trying to help. Rather dumb IMO. Asking a loaded question for subjective answers is also idiotic. Seems to me your whole topic is either a trolling topic or you are completely confused. You NEED to think of things as a system. Stop searching for each component until you lay that out. If you aren't going to lay it out in a topic, expect replies that will bring you no value.

ejector seat.

self destruct.

You sound like your on the rag, chill out and conduct yourself like an adult. If you don't like the response don't take it personal, just move on.

Saw several in use yesterday and they were working great. I am sure they do have their fair share of products that fail as that is the nature of production.

Sweet!

Digital Designs m3b should be good, they do rated power at 11.9 volts.

Those "old school tow trucks" are still made today. It's called a wheel lift. Not everyone uses a rollback. lmao.. i dont know if i have enough batteries for that.. In all honesty.. when i go to viper's site, there is hardly any sensors left.. I dont know if it's because many are already built into the units now or what.. I'll keep looking for some random stuff. I keep my ride in a protected garage too. My most fears is staying at hotels while i'm asleep. You don't need any more batteries. All you need is a relay wired in for use for the stereo when the ignition is not used. The output from the alarm triggers the relay, and voila. Pretty simple.

BC I'm planning on using 4 So you have a budget of $800 total for amps for your subs, and want the most power you can get? Do you have an additional budget to upgrade your electrical? Doesn't make much sense to drop $800 for a bunch of amps if your electrical isn't up to par, and I highly doubt replacing the battery with an AGM is going to be enough. I'm not trying to be rude but if you would read I will upgrade electrical That is not included in budget as I was always planning on it and just dont see the use in rerplacing a functional battery that has not faultered a bit with what i am running currently. I am already running 3 amps on it i plan on changing them all out to a better line possably same manufacturer. If you would have read you would notice that my current budgetis non existent so I am simply trying to get a broader range of ideas. In the past I've done big high quality comp builds going back to 96 wit RF Punch Power DVC 4-12's off 2 Punch Power 50M's on stock electrical wihout issues so Ill address alt if needed I plan on Battery upgrades that is not included in the amp budget. I do not have a hard limit im simply trying to see what I can getr away with. I read that you mentioned upgrading the battery, nothing more. I apologize for not catching the inference for further electrical upgrades. Other than Big 3 and Battery what do you suggest. I'm just curious what your recomendations are. Do you have a degree or masters liscense in Eletrical fields. I do I have done some calculations already so please enlighten me but I doubt your expertise isnt close to my background in this field. But please I want to hear your suggestion Unfortunately I do not have a degree in EE, so please feel free to take anything I say with a grain of salt. I've heard fast food is bad for health, but I'm not a doctor either! Anyhow let me speculate, and correct me when I'm wrong. You have four sundown X's rated for 1250watts each, so optimally you'd like 5000watts total for your subs since that's what they're rated for? With zero change in impedance, and 100% efficiency from the amp(s) that would require 5000w/14.4v=347amperes Say I'm being over optimistic, and you'd be happy with 2500watts, 2500w/14.4v=174amperes From what I could gather(which may be incorrect), the 07 mini coopers have an alternator rated for 105amperes, and it's not common for manufacturer's to use larger than necessary alternators as it's not cost effective and doesn't help with the HP and mpg. So I would presume that upwards of 80-90% of what the alternator is rated for is what the stock electrical demands, but let's say it only uses half, so 105a/2=50amperes. So you have 50amperes from the alternator, and say you have a big AGM battery like the xs power 5100 with an AH rating of 60, so for one hour it can discharge 60amperes at 12v? Let's pretend it could do that at 14v though. So for one hour you have ~110amps. 110amps is a lot less than 170amps or 350amps, so much so that voltage would quickly drop below 12v, you would risk ruining all electronics, and ultimately end up with a dead battery. Back to reality, the alt doesn't have a 50% excess in amperage, your amps aren't anywhere near 100% efficient, impedance on the amps aren't constant, and I didn't account for any amps you may be using for the front stage. So my suggestion would be getting a high output alternator if you plan on running anywhere near my speculated figures of power. I originally asked why you wanted to use two amplifiers, when one amplifier alone could easily surpass your vehicle's electrical. If your original post was clearer than perhaps I wouldn't have "ragged" on you about trying to use so much power with little change to the electrical system. I know if I were in your shoes I would most likely opt for a smaller amplifier that doesn't require all these costly upgrades as the amount spent and the gain in output wouldn't be worth it to me, and especially considering all the cone area you have available. Though as you have pointed out I don't have any degree to support anything I've said, so feel free to disagree. and thats why volvos are the best ladies and gentleman! I don't see how that's relevent or correct in ANY way.

Due the last thread having serious loading issues and bogging down the server, we started this continuation of the original. Carry on....