12" Sub - recommendations please

soundoff · 06-26-2005, 09:58 PM

My system is complete now minus one critical component - a sub

I need something nice and efficient, as I dont have alot of power to play with.

Amp: 4x50W RMS - rear channels bridged for sub.
Car: subaru liberty (legacy) wagon

I want a single 12" sub.

I have always liked the JL's but im tired of waiting for the new W1 series to be released. does anyone have any good alternatives to this sub?

Thanks

WxGuy1 · 06-27-2005, 12:22 AM

It'll be tough to push much a sub with only 100W RMS... I'd seriously consider another, higher-power amplifier if you want to drive a sub (aim for at least 300w RMS, which most monoblock subs are)...

yak8998 · 06-27-2005, 12:41 AM

that amp will probably bridge to ~200W. what kind of amp is it?

Nic · 06-27-2005, 12:42 AM

Quote: Originally Posted by yak8998

that amp will probably bridge to ~200W. what kind of amp is it?

what makes you think that?

soundoff · 06-27-2005, 01:37 AM

I have roughly 150W RMS to play with. Please spare the buy a bigger amp arguments. This is what i have to play with. What im after is a recommendation on a good efficient sub.

Its a response branded amp sold by Jaycar in australia. they are good gear. I have installed about 10 of them in various peoples cars over the years

meddler · 06-27-2005, 01:58 AM

Cash has a lot to do with your choice. It also depends on the size of the box you want. (read boot space you want to lose) JL's are good. I myself am looking to buy a kicker solobaric due to a small area to put my sub.
I don't want to get into a "this brand is better than that" war but some other brands that may by worth looking at for your power requirements are Pioneer (TS-SW124D), MB Quart(RWE302), Blaupunkt(SW125.1 - 10") and Kicker (05C124).

DRWeside · 06-27-2005, 02:07 AM

Box type would be the major factor before choosing the sub.

Ported=Louder
Sealed=Tighter

Sealed may require more power if you have different tastes. I've got a POS Sony XPlod in a sealed box with 200 Watts RMS going into it from a Kenwood monoblock amp and I think it sounds fine.

Defiler · 06-27-2005, 10:08 AM

JL 13w0. Low power needed and still hits hard and can reach 16Hz. Also, needs less than a cubic ft.

yak8998 · 06-27-2005, 10:48 AM

Quote: Originally Posted by Nic

what makes you think that?

50x4, I'm assuming thats at 4ohm. You bridge a pair of channels to 4ohm, power output doubles at 2 (generally), so 100x2 = 200.

WxGuy1 · 06-27-2005, 11:35 AM

Quote: Originally Posted by yak8998

50x4, I'm assuming thats at 4ohm. You bridge a pair of channels to 4ohm, power output doubles at 2 (generally), so 100x2 = 200.

100x2=200? You're bridging it twice? LOL That's like a double bridge... I haven't seen an amp which allows you to bridge 4 channels into 1 channel. In addition, that 4 channel would have to be stable to 1ohm on each channel to allow 4ohm operation when double-bridged.

Nic · 06-27-2005, 11:46 AM

what he means is bridging it to 4 ohms is like running both channels at 2 ohms, which "generally" gives double the power on each channel which and both channels add which gives 200w.

While this might be a nice assumption to make in my experience this dosent really happen in the real world, for example my 100w x 2 amp (at 4 ohms) bridges to 300w (at 4 ohms) rather than 400w.

basically that was my point, maybe i'm just being picky :P

yak8998 · 06-27-2005, 10:23 PM

a large number of amps are rated to do double-power at half-impedence (ie 2x at 2ohm vs 4ohm). I know there are a lot of amps that DON'T, but it seems like a larger number do. At least what comes thru the shop I work at. So lets say he has between 100 and 200W. Its not too big a difference anyways, if he pairs the right sub with it.

XxAndyxX · 06-27-2005, 10:33 PM

How much space are you going to have to play with? If I were you, I would go with an Atlas 12". It will move pretty good if you get the right enclosure for it. Plus it's only like $105!!!

anitanium · 06-28-2005, 12:05 AM

i'm loving my JL 12W0. Sure it's old, and 'only' 125W, but i had a friend who ran his 300W all the time, and the JL was still solid for a year.

i'm running roughly 300W through the sub as well. I love JL

hcker2000 · 06-28-2005, 12:28 AM

Image Dynamics 12" will do you just fine and sound better than most other subs. Most people like them better than JL because they are more efficient and are a high quality sub.

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