DaDude

Hey this ohm this is kinda confusing to me. i understand about resistance and stuff but heres my question.whats the difference between 8ohm,4ohm and 2 ohm... i have two 10" 4ohm subs. so i can wire them either 8ohm,4ohm or 2ohm. If i'm correct. 2ohm and 8ohm would be mono and the 4ohm would be stereo but since my amp can't be wired lower than 4ohm (was told by someone on here) but i thought i was able to handle 2ohm. its a Legacy Series II 600W 2 channel. Will is be better as 8 or 4?... Thanks.

kelticslob

The lower you wire subs at, the more power your amp will give it, BUT your amp has to be stable at that ohmage. And sometimes, lowering the impedance won't necessarilly give it more power from the amp. Sometimes amps give out the same power over several ohmages.

Short Answer? Wire them at 4.

crazyravr

I dont know this amp.... but if its 2ch it will work at 4ohm mono. You will not be able to wire 2-4ohm subs inot 4 ohm. Not possible. You can do 2ohm (parallel) or 8ohm series.

So your problem is that the amp will not be used to its full potential if you wire them in 8ohm load. My sugestion is to use only one sub... or trade them in for either one:
- dual voice coil 4ohm
- single voice coil 2ohm
- get a MONO block amp that will take 2ohm load and keep your subs.

hawg_hauler

iTrader: (3)

Keep in mind that most manufactures rate their amps as being stable in to a stereo load and when you have a mono load that your amp is actually seeing half that ie. 4 ohm mono = 2 ohm stereo.

In most cases if you had a amp that stated that it is 2 ohm stable and you bridged it at 2 ohms you could cause damage to the amp, because it is actually seeing 1 ohm, unless the spec given has taken this into account and is a mono spec.

maltesechicken

As Hog Hauler suggested, an amp that is rated 2 ohm stable, is for stereo. Each stereo channel can handel 2ohms. But when it is bridged, it combines those two channels so each channel still needs a minimum of 2ohms, but since the channels are combined now, you will need 2ohms for the left and two ohms for the right making a 4ohm minimum mono load.

As for your case, I will get the best performance running the set up 4ohm stereo.

If the amp is rated 300Wx2/600Wx1 the subs will see 300W either way, just in mono the 600W is shared between the two giving them both 300.

Also I don't think that legacy can actually build their equipment to have their mono load match the stereo load combined. Some power will be lost in the combining.

When wiring in series (as Dukk says - series is from the debil) if one sub distorts or if the coil acts funny in any way, all the other subs in the chain will get that same unclean signal produced by coil. While wired in stereo, the subs are isolated and will not interfere with each other.

One last thing. Do NOT wire the legacy 2 ohm mono. Been there, done that - BBQ.

ThA NexT BiG ThinG

I say that, if that amp is dear to your heart and you simply cant live without that p.o.s. then wire it in stereo (only if your box is suspended, not coupled, [left and right stereo can have a different signal and cause some wierd stuff to happen]) but that old legacy (kind of a paper weight) isnt't a big loss, so i say, have some fun, bridge the hell outa it, and when it blows, laugh! and come back on here and ask what NEW amp you should buy, but thats just me, i like to destroy [img]graemlins/headbang.gif[/img]

Orion_95

lmfao...i LOVE the word "ohmage"...

Chadxton

iTrader: (1)

^ Werd!

maltesechicken

Based on the rest of his post I think he means that each sub has its own, isolated chamber verses a common chamber for both subs . . . that's my guess anyway.

Never heard of suspended before, but I've alson never heard of ohmage before . . . homage yes, ohmage no.