Wire low ohm on JL amps to combat impedance rise?

[timma100 10+ year member]

Okay maybe stupid question, JLs do rated from 1.5-4ohm (500.1 anyway) couldn't I technically get better output if I were to wire @ 2ohm and have the amp continue to do rated power even with box rise? I know the JL cant keep up for ever, but it would be louder correct? (instead of wiring @ 4ohm and having power drop off instantly with impedance rise) or have I gone full retard again //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

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[goingdef 10+ year member]

Okay maybe stupid question, JLs do rated from 1.5-4ohm (500.1 anyway) couldn't I technically get better output if I were to wire @ 2ohm and have the amp continue to do rated power even with box rise? I know the JL cant keep up for ever, but it would be louder correct? (instead of wiring @ 4ohm and having power drop off instantly with impedance rise) or have I gone full retard again //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

I took my last amp from 4ohm to 1ohm even though it's max was 2ohm and it wasn't a whole lot louder going from 1000w @ 4ohm to the 1600w rms I set it to(rated 2000@2ohm) so I don't think your going to see or hear much of a difference oh and the reason it's my last amp..................it caught fire, low impedance loads are hell on amps.

 

[CAT MAN 5,000+ posts]

I took my last amp from 4ohm to 1ohm even though it's max was 2ohm and it wasn't a whole lot louder going from 1000w @ 4ohm to the 1600w rms I set it to(rated 2000@2ohm) so I don't think your going to see or hear much of a difference oh and the reason it's my last amp..................it caught fire, low impedance loads are hell on amps.

fire. fire everywhere.

seems everyone is having problems. maybe its meant to be no more Ca.

 

[rebelfromva 10+ year member]

fire. fire everywhere.



seems everyone is having problems. maybe its meant to be no more Ca.

All the true noobs are coming out to play lol

 

[TheUnderFighter 10+ year member]

Okay maybe stupid question, JLs do rated from 1.5-4ohm (500.1 anyway) couldn't I technically get better output if I were to wire @ 2ohm and have the amp continue to do rated power even with box rise? I know the JL cant keep up for ever, but it would be louder correct? (instead of wiring @ 4ohm and having power drop off instantly with impedance rise) or have I gone full retard again //content.invisioncic.com/y282845/emoticons/frown.gif.a3531fa0534503350665a1e957861287.gif

If it's rated from 1.5 -4, it would be just fine at 2 ohm. Would you hear a difference to the ear? Highly unlikely.... But if you can wire at 2 ohm, I doubt you also have the ability to wire at 4 ohm as well.

 

[timma100 10+ year member]

If it's rated from 1.5 -4, it would be just fine at 2 ohm. Would you hear a difference to the ear? Highly unlikely.... But if you can wire at 2 ohm, I doubt you also have the ability to wire at 4 ohm as well.

Okay lets take a knee and rethink what I said . First off I haven't bought the sub yet, second, JLs do rated at 1.5-4ohm, meaning if I wire at 1ohm I will get the same power as if I wired at 4ohm. BUT!!! (now this is the whole **** reason for this thread) If I wire at 2ohm or 1.5, (remember now you have impedance rise as you play the music depending on frequency and a bunch of other crap) SO! as the resistance of the coils rises and falls during normal play, will the amp keep doing rated through the impedance rise? Remember now most unregulated amps drop off output as the resistance of the circuit rises.

 

[quackhead 10+ year member]

Okay lets take a knee and rethink what I said . First off I haven't bought the sub yet, second, JLs do rated at 1.5-4ohm, meaning if I wire at 1ohm I will get the same power as if I wired at 4ohm. BUT!!! (now this is the whole **** reason for this thread) If I wire at 2ohm or 1.5, (remember now you have impedance rise as you play the music depending on frequency and a bunch of other crap) SO! as the resistance of the coils rises and falls during normal play, will the amp keep doing rated through the impedance rise? Remember now most unregulated amps drop off output as the resistance of the circuit rises.

Anywhere from around 10-20 ohms can commonly be expected before and after the tuning frequency on a ported box at 1 ohm nom....I don't think you will hear a difference in output between 4 and 1.5 on that amp due to ohm rise. The amp will probably be much lees efficient at 1.5 vs 4 for the same power output, if the tech is anything like the RF dbcp. The difference in current consumption at 80% efficiency and 60% on 500 watts could be the difference between headlight dimming at night or not. Probably not, but this would depend on the ability of the vehicle charging system as well.