Question about DHD NTX-2794 2-CH 2000W Amplifier Car Audio Amplifier

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Ohm load how do you lower the ohm load

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By putting multiple speakers (or voice coils, in the case of multi voice coil speakers) in parallel on the same channel of an amplifier.

Posted on Mar 05, 2008

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I have Sony xm-2165gtx amp 165 watt rms x 2 at 4 ohm 200 watt x 2 at 2 ohm 400 watt x 1 bridge output at 4 ohm stereo or bridge mono output 4 ohm stable in bridge mode this mean can't go lower then 4 ohm...


You can't bridge that amp onto a load lower than 4 ohms. So you can't bridge that amp onto two 4 ohm subs. To get the most power out of your subs is easy. Run one channel to one sub and the other channel to the other sub. 165 watts RMS is plenty for most subs.

Dec 05, 2013 | Car Audio & Video

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I want to connect Max 2500 with 6 JBL Control 28 speakers 175 watts @ 8 ohms each... please suggest what will be the best connection...series or parallel


first is how u want to run the amp itself ....... the MAX2500 can run in mono (bridged) output or stereo ......... though wat u want to watch is the impedance of the load really with the bridged load being no lower than 8 ohms/1500W (there's reasons for this) and the stereo load where u can have either 4 ohms/750W or 8 ohms/500W so how do u want to run this is first the question ..... all 6 on the bridged output or 2 off each channel (though running 3 would make for complicated impedance load) ..... so u'd run 2 in parallel for a 4 ohm load with 300 watt requirement from the amp and u can drive them to 1.5 times their rated RMS figure so a nice 500 watts :)

Feb 07, 2012 | Phonic MAX 2500 Amplifier

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I have a performance teknique ICBM power 4000 watt 1 ohm when I put the load to 1 ohm it goes to protect **** at a 4 ohm load it slaps dosnt clip are anyting is it a power problem


check that load with an ohm meter. a 1 ohm load is very low and just the wires would increase the load. also as speakers age they can go lower on the actual ohm being used so even if the circuit would seem to add up to one ohm it may be even lower. If the amp is going to protect mode the load is just to great and it doesn't want to burn itself up. a good meter will tell you the real ohm load at the amp. make sure you get a good connection between the meter and the load. don't overload the amp it is not safe. also some speakers are "power hungry" or less effective at using the amps watts of power

Apr 21, 2011 | Car Audio & Video

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I hooked up my xd1225 cd player in my car and it gets SUPER hot/overheats. What did I do wrong?


your speakers are of an incorrect ohmage, or you have too many speakers hooked up to it. your stereo likely calls fo a singler 4 ohm (4?) speaker per channel and the factory speakers may be lower than 4 ohms, or you have several speakers hooked up to the same channel. there should be 4 channels, each with no less than a 4 ohm (4? ) load. two 4 ohm speakers wired to the same channel in parallel (both attached to the amp's poositive/negative leads) will create a 2 ohm (2?) load, and overheat the amp. if the 2 speakers are a woofer/tweeter combination, and there is a capacitor involved, it may be ok, but 2 woofers, or a woofer and a subwoofer hooked to the same channel will likely reduce the ohmage below 4 ohms (4?). look at the back of each woofer speaker, and look for an ohmage rating stamped to the back of the speaker magnet to verify that they are 4 ohm (4?) speakers, and verify that only a single 4 ohm speaker is hooked to each channel. the car likely has multiple speakers hooled up to each channel, which would lower the ohmage rating below 4 ohms (4?).



Mar 09, 2011 | Dual Electronics XD1222 Car USB Player

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I just got a s12l7 dual 2 ohm subwoofer. i also have a zx750.1 amp from kicker. if you wire the sub parallel it comes out at one ohm and the amp is not one ohm stable. if i wire it in series it gives a 4...


ABSOLUTELY!!!!! 4 ohms is the load that all amps are designed to play at. A lot of amps will play at lower loads but that equates to more heat. Less heat means longer amp life!!!

Dec 20, 2010 | Kicker 06ZX750.1 Car Audio Amplifier

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How do i wire a 8 ohm kicker comp 10" sub inside the box? and what is the best way to get more bump with a 600 w mtx amp and kicker comp 10" sub?


Ok, for an 8 Ohm sub, it is advisable to get another 8 Ohm sub. wire them in parallel down to a 4 Ohm load. You would wire both + wires together, and both - wires together to yield a 4 Ohm load at the amp. Majority of the amplifiers on the market are designed to give more power at a lower impedence, or Ohm load. You just have to make sure that your amp will take a 4 Ohm load. Without knowing the model of the MTX amp, I can't give more advise. However, this should be able to give you and idea of where to start. The main problem is that you have a single 8 Ohm sub in the Kicker Comp.

Apr 30, 2010 | Kicker CompVX CVX104 Subwoofer - 10" Dual...

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I have a sony xm-2002gtw and i want to know if i can hook two 2-ohm dual subwoofers up to this amp and how i have 2 solo baric 12-inch.


200W x 2 @ 4 Ohm
500W x 1 @ 4 Ohm

This amplifier cannot handle a load lower than 4 Ohms in stereo or bridged mode.

If the subs are Dual 2 ohm - You cannot wire a 4 ohm load with (2) subwoofers.

Only 8, 2, or 1/2 ohm loads are possible with (2) dual 2ohm voicecoils

Thanks!



Feb 15, 2010 | Car Audio & Video

1 Answer

How many watts does a r-30 put out to each of the 2 speakers at what ohms?


2 ohms is a heavy load should run into 4 ohms but what ever the ohm age 30watts into 8 ohms is 30 watts assuming this is rms 30 into 4 will give 60 rms do not recommend going any lower almost a dead short will damage amp

Nov 06, 2009 | Onkyo TX-8511 Receiver

2 Answers

Does two 1ohm woofer = 2 ohm


if you buy the 4 ohm subs you can drop each of them to 2 ohm and then down to 1 ohm between the two of them. going with the 2 ohm no matter how you wire them you will either get 2 ohms 4 ohms or 8 ohms. hope this helps by the way the 4 ohm solobaric and the 2 ohm are both the same price.

May 21, 2009 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

2 Answers

Is a 15 w3 d-4 better then a jl audio w3-d2


Hello,

All of the JL W3 subwoofers are essentially the same. The "d2" and "d4" suffix refers to the voice coil configuration. "d2" = dual two ohm coils, "d4" = dual four ohm coils. Depending on the number of subwoofers in your system and the amplifier(s) you are using to power them, one or the other of the configurations may be "better".

Generally, you want to have the load on your amp to have the lowest possible impedance consistent with the amps capability to operate properly with that load. It's normally referred to as "impedance matching". Greater power (watts) is produced, and louder sound, when the amp can deliver power at a lower impedance.

If your amp is only capable of supplying power at 4 ohms, you want to make sure that the configuration of your sub(s) represents a 4-ohm load. If the load is higher, say 8 ohms, then your amp can only deliver about half the power of which it is capable. It would be OK to run them a 8 ohms, but they would not be as loud. On the other hand, if the load was lower, say 2 ohms, your amplifier would soon overheat and go into protect mode.

So the trick is to first decide on how many subs you want. Then choose an amp/sub combination that "matches".

The DVC or dual voice coils just gives you more options in selecting and configuring. Say you want 2 subs and you are going with the 15w3 d-2. Your amp is the JL Audio G-MAX monoblock. The amp puts out 1200Wx1 Chan. at 2 ohms or 600Wx1 Chan. at 4 ohms. You would wire both of your subs voice coils in series making each sub 4 ohms, then wire the 2 subs in parallel to your amp making the final load 2 ohms, the best "match" for your amp.

Mar 29, 2009 | Jl Audio 15W3-D4 Car Subwoofer

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