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How would i wire this amp to my subs?
Ive got a two channel amp which has right speaker, left speaker outs.
Well ive currently got one sub running off the amp which my friend installed so i have no idea how its set up right now. What im wondering though is how i set up 2 subs on it, should i put one on the right speaker one on the left? Or do i need to bridge them somehow? |
#2
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How would i wire this amp to my subs?
Jim,
We really need to know more about the specific amp and subwoofer involved. I'm going to make some assumptions to get you started, but if you could fill in the gaps, it would be helpful. If you have a stereo amplifier driving a single sub, then the amp is probably bridged mono, and the sub is probably configured as a four-ohm load. This is the most common configuration. If this is the case, you're going to have a hard time adding a second sub and keeping the load at 4 ohms. You could add a second 4-ohm sub in series with the first, but you'd have no real change in volume. Your cone area would double, which is usually good for about a 3 dB increase, but you'd also be increasing the overall impedance of your load from 4 ohms to 8 ohms, which causes about a 3 dB decrease, so you'd be back where you started. The only way you're likely to get more bass out of your current setup just by adding a speaker would be to add the second speaker in parallel to your existing one. This gets you the 3 dB increase from doubling the cone area, PLUS another 3 dB because you'd be dropping your impedance in half, causing your amplifier to put out almost double the power. The only caution with the is you have to make sure your amp can handle the decreased load impedance. If your existing sub is a 4-ohm load, and you hook up another one in parallel to it, that gives you a 2-ohm overall impedance, which is a pretty varsity load for an amp that's bridged mono. Compared to the number of different amps on the market, there are relatively few that will handle a 2-ohm mono load. Hope this helps, and get back to us with specifics about your system when you can. Scott Gardner On 10 Dec 2003 01:07:58 -0800, (Netstorm) wrote: Ive got a two channel amp which has right speaker, left speaker outs. Well ive currently got one sub running off the amp which my friend installed so i have no idea how its set up right now. What im wondering though is how i set up 2 subs on it, should i put one on the right speaker one on the left? Or do i need to bridge them somehow? |
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