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Question by Gloria: what would be a good amplifier for one audiobahn alum12n 2000 watt sub?
I just bought this sub which came with a vented box and I looking for an amp. The spec of the sub says that it is 1000 watts RMS and 2000 watts peak. Im a new at this and all i know is that i need a 2 channel mono amp with at least 1000 watts. I don’t know what amp I should get. any help? thanks
Best answer:
Answer by N2Audio
“2 channel mono amp” is actually a contradiction in terms.
There are 2 channel amps that can be bridged and USED as a mono amps, and there are simply mono amps.
Also, you don’t need “at least” 1000 watts. 1000w rms is just the suggested limit for powering it.
The sub would run well with anything in the 500-1000w rms range.
And in terms of car amps power is money, so if you’re on a tight budget and don’t need every last bit of output the sub can give you a 500 or 600w amp may be all you need.
For something around 1000w rms I would recommend a mono amp — preferably class D.
The issue with that sub is its dual 6 ohm voice coils giving you wiring options of 12 or 3 ohms, seen here in the top two images: http://mobile.jlaudio.com/support_pages.php?page_id=161
12 ohms is not a practical option.
So you’re left looking for an amp capable of the power you want at 3 ohms. Most mono amps are designed to operate optimally at either 1 or 2 ohms — although there are a few that will produce the same amt of power from 1.5-4 or 2-4 ohms, but they do tend to be pretty pricey.
Anyway – here are a few options…
This is about as cheap as you can go and still get reasonable performance out of the sub. The amp is over-rated. It claims around 750w at 3 ohms. My guess is you might get 600 or so. Quite a bit of power for the price: http://www.sonicelectronix.com/item_27848_Power-Acoustik-CPT1-2000.html
If you’re a little more concerned about quality and something that will (should) last a while at around 500w : http://www.sonicelectronix.com/item_33008_MB-Quart-FX1.600.html
good amt of power (750) and quality: http://www.onlinecarstereo.com/CarAudio/p_25331_MB_Quart_ONX11000D.aspx
If you want good quality AND around 1000w rms you’d need something along the lines of: http://www.onlinecarstereo.com/CarAudio/p_21337_Kenwood_Excelon_X1200M.aspx
You will also need a good quality 4 awg amp kit which will cost you $ 50-90. You want something with at least a 100A fuse.
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