Hi i recently purchased a jl audio 500/1 to power my two ten inch subs. I hooked up all the power and ground wires today along with remote turn on and the like. However heres where i'm stumped. I hooked up both subs like i did on my old jbl gto 301.1 (each sub to its own channel, not bridged or anything like that) and set the amp controls to the what the manual suggested.
Now heres what i find wierd, the two tens hit half as loud as they did on the old jbl amp. So thinking i may have blown a sub i disconnected one of the subs and two my suprise it hit just as loud as my old two tens on the jbl. I tried the other sub the same way and to the same results.
I am at a loss is this just an immpedance thing? Should i try a different way of wiring the subs? Any settings on the amp i should addjust for two subs? Really looking for help please, i just spent alot of money and can't figure out why its not working. I beleive the immpedance on the subs is 2 or 4 ohm unsure of it right now can find it out tommorrow.
And one more thing, if i turned the one sub set up lod it crackled and popped even with the gain turned down. Thanks for any help you can offer
now i dont know a whole lot about audio yet, but......
when u only have one sub hooked up to an amp, all the power goes to that sub, so yes it will be louder, when u hook p both u get less power=less volume
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and set the amp controls to the what the manual suggested
so try tuning it a lil, its a new amp, not the same as the old one, so you may have to change the settings around a lil bit to get the best sound
make sure you have a proper guage wire.... to run to that amp....
it might need a 2 or 4 gauge instead of 6 with the 300:1...
but try running them in parrallel i'm guessing there a 2 ohms sub so 2+2=4 for series...witch your running now... and then it becomes 2 ohms in parrellel when you bridge them....
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chances are you wired em outa phase....
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Thank You for the replies first of all. Secondly, i am running the proper 4 guage wire the only wire i reused from the jbl is the remote turn on. Now as far as wiring in series or parrallel i'm lost, could any one expalin to me how i could run these in parallel to get a 2 ohm load. And abby87z24 out of phase? do you mean like having the positive and negative terminals mixed up on one sub? Could that explain what happened. Once again thanks for any input
Parallel = all +'s to +'s (run the speaker wire from the right positive on the amp to the positive on the first sub. Then run a second wire from the positive on the first sub to the positive on the second sub. Do the same for the negative wires; negative to negative)
That will give your amp half the impedance load as what's rated on the subs (parallel impedance = sub ohms divided by number of subs) Try not to use two different subs with different impedances, thats how I blew the second of my two x-treme 600w amps.
Series = Amp+, 1st sub +, 2nd sub - (run the speaker wire from the right positive on the amp to the positive on the first sub, then run a wire from the NEGATIVE on the first sub to the positive on the second sub. then run a third wire from the negative on the second sub to the left negative on the amp)
Series impedance = sub ohm 1 + sub ohm 2 + sub ohm 3, etc.
Dual voice coil subs are a bit trickier, each of the above is for single voice coils.
Bridging = only 2 wires connect the amp to all the subs via the methods above. (provided the amp is 2 channel, if it's 4, then same rule for both front and rear). Right + goes to sub +, Left - goes to sub -. That'll send full power of the amp to a single sub, or the series/parallel setup.
Hope this helps, I may still be a bit drunk from last night
srry for double post, didnt realize I didnt answer any of his questions
First off, out of phase. That is where your amp L+ is on your sub -, and your amp L- is on your sub + (so yes, it's when the terminals are mixed up) Make sure your subs are wired in phase if you're looking for the booming effect most people look for in subs. I think someone said you get a "higher sound stage" or something when they're out of phase? Also, I'm not exactly sure if wiring them out of phase damages them.
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And one more thing, if i turned the one sub set up lod it crackled and popped even with the gain turned down.
Either out of phase (never had that happen to me though) or it's getting ready to finally die.
