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He would need to supply a quarter megawatt in 2 seconds (to charge the caps in that time), and the largest alternators available are a around 1/500th of that power. Even multiples of those alternators (5, 10 alternators) doesn't even get close before you get to being totally infeasible. So...

Just some interesting math behind that to show exactly how "over the top" it is... In those 160KF of capacitors @ 14V lies the power to run a standard house for half the day (8KWH) or a 60W light bulb for 5 days and 12 hours (ignoring leakage current). Crazy gives too much credit! :P...

True - if you're doing pure SPL, and 'burping' your system - caps are great; they charge to max and you let it fly through the system in a 1 - 2 second burst to get that dB readout. Playing music on the other hand may encounter that issue of when the amps hit power notes and suck the caps dry -...

Just a brain dump of things to take note of when designing your stereo system, no matter how powerful. The Alternator Understanding the Alternator's role is paramount to a solid power supply and thus a solid sound system - because it is _THE_ power supply. People always tend to throw an...

UPDATE: Rear door install In the format of a HOWTO: Removing the door skin and dynamat prep The door skin is removed by 2 x screws under the armrest, 3 down the bottom of the door itself and if you pop the plastic cover off inside the door opening lever - there's another one there. All...

Update - New 6" models JBLs were taking too long, swapped them out for: Front = Infinity Kappa 60.9CS (reviews) Rear = Polk DB651 (reviews) Should have them before the weekend, and given the time I'll have that part of the install well documented in my post next week. -Litch

Excellent news - cheers! 3KW (230-250A) would land somewhere around half of of a stock-standard car battery's CCA rating (even towards a third in a V8). Eg - The VE SSV's battery is upwards of 600CCA. Note that CCA ratings imply the battery's output would drop down below 10 volts under that...

Update - 6" delays... Looks like the JBLs I ordered are no longer available (end of life) and JBL are shipping the successor to that model over instead. No idea what that actually is, but they're still a month away ffs >:| Quality can vary from version to version of a certain model - I'm not...

You're right, the Big3 upgrade is on the design board as "tentative" as it probably wont't be required. Also - It'll be rather expensive and there's more research to be done before I can even consider any action. In summary... The circuitry from the Alt to the battery in the boot is...

Thanks, the whole aim of this was to get some information out there. Had these in my old BA Wagon, paid a small fortune and ended up being a regrettable buy in the end as they're not as loud as I hoped - mainly because I misread the tech specs... Excursion (Xmax, the distance the cone...

Perhaps this then, the FAQ mentions that if certain words are used then that triggers the requirement. What are these words, so I can avoid them in the future?

Posted a new thread in car audio a few hours ago, was advised it needed moderator approval. How long is the average wait for this?

Greetings all. I'll be detailing my system build in my (recently purchased) 2012 SSV Redline Sportswagon. Hopefully it helps someone along the way. TL;DR - If you have a VE Sportswagon you can find pictures, schematics and box designs here. The Plan 2 x MTX T8515-44 15" Subs 2500W monoblock...

Just joined the forum, got quite a few questions I'm hoping the people in here might know.... Firstly - I'm looking to do a Big3 upgrade in my VE II SSV Sportswagon - but the battery is in the boot. Has anyone else had experience with doing this? What is the best path from the Alternator...