Question about Jl Audio 1000/1 Car Audio Amplifier
I have 2 dual 4ohms wired at 8ohm i would like to run two more
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Posted on Jan 02, 2017
SOURCE: jl audio 500-5
Assuming that you've confirmed that the speaker is in good working order and that the wiring isn't shorted in any way...
There are separate power supplies for the high and low amplifiers. It's possible that the one for the sub output has failed. If that's the case, the output transistors probably failed and that's what damaged the supply.
Generally, I'm willing to help people repair their amps but this is a large, complex amplifier and it should be repaired by a qualified technician.
Posted on Apr 19, 2008
You can connect them in a series/parallel configuration. Put two of them in series and then connect the last one in parallel across the two in series. This would give you an impeadance of around 2.7 ohms. Only do this if your amp is stable at 3 ohms or less. I am not familiar with the specs of your amp. If your amp is only 4 ohm stable you can not do this.
This would also give you half the power on the two subs in series as the power for the one that is parallel. The two in series would be sharing the total output signal, where-as the one in parallel would get the entire output signal from the amp.
if you were to connect a fourth sub woofer in this configuration it could give you a 4 ohm load, by adding the fourth sub in series with the single sub that is in parallel. or in other words, yu have two sets of 2 sub woofers each in series. That gives you two 8 ohm loads (two 4 ohm subs in series is 8 ohms). Then you take the two sets of subs and parallel them (two 8 ohm loads in parallel equals 4 ohms).
If i had a picture to show you it would make sense, two subs in series that are in parallel with two subs in series.
Posted on Jun 16, 2008
Just had a look at both amp and sub on the JL Audio website. The amp runs from 1.5-4ohms. 4ohms at 14.5V. The sub is running dual 4 ohms coils. That's what the D-4 means. So should be an easy set up. The amp has two mono outputs, so one for each coil. It looks like the perfect wattage to run the sub real nice.
Web page for amp: http://mobile.jlaudio.com/products_amps.php?amp_id=439
Web page for sub: http://mobile.jlaudio.com/products_subs.php?series_id=18
Posted on Nov 19, 2008
what is the impedance of your woofers it will be a number with an Omega symbol. Looks like a horseshoe next to your woofer . Like this JL Audio 10W1v3 8ohm. Please, Please tell me you bought 8 ohm woofers JR?? Because if not, it ain't gunna happen.. If you did buy 8 ohm woofers than wire them in parrellel which means all the +'s together and all the -'s together giving you a final impedance of 2 ohms and your amp will think your a car audio GOD... But if not be ready to smell plastic burning where your amp used to be.... let me know i can walk you thru the wiring but let me know what you have. ok. mark
Posted on Aug 14, 2009
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