I have two xti 2000 amp running with electrovoice speaker 600w
I have two xti 2000 amp running with electrovoice 600w 4ohms speaker on each channel. the amps were working perfectly for one year. now i am facing a problem with both the amps. it cuts off all the channels and after few seconds it comes back in normal condition. I tried the same setup with another amp it works perfectly.
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Re: i have two xti 2000 amp running with electrovoice...
This is most likely to be a heat issue where the amps overheat and shut themselves off then cool down and turn back on. Please check that the amps have proper ventilation and that any air ducts are clean.
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Do to the impedance Of your sub u can't run it @2ohms its going to either be @1ohm or 4ohms and your amp isn't 1ohm stable and u will risk damaging your amp. So your only option is to run it @4ohms and on a good note your sub is 100-600 watts RMS and your amp will push 400-500 watts RMS @4ohms. Now if you want to run 2 sub's in the future That amp will work perfect because it pushes 1,200watts RMS @2ohms and to wire your 2 sub's @1ohm just follow the steps in the image below. Hope this helped.
OK what you are saying now is that your speakers are dual voice coil; models? 4 Ohms per Coil? I have always used single 4 Ohm Voice ciol speakers since amps are mostly based on 4 Ohm outputs. but you can get 8 Ohm dual voice coil subs also. With 8 Ohms per coil you can get 4 Ohms if you parallel the wires. What is best for you and will get you the most stable power and still will be in the specs of that amp is to run the amp in BRIDGED MODE running each subs voice coils in series with each other then run those 2 subs in parallel to the amplifier giving it a 4 Ohm load. So, your will have two sets of wires from your amp 1 for each speaker. Then you will take a short piece of wire that will connect the + to the - of each voice coil then hook up the wires from your amp to each sub What it will be is 4 Ohms + 4 Ohms = 8 Ohms per speaker the 8 Ohms in parallel each speaker to the Bridged amp output using just the + from one channel and the - from the other will give you a total of 4 ohms and power out put of 600 Watts so that ends up being 150 watts per voice coil or 300 watts each speaker
Hello Your amp has an output power of 50 Watts per channel into 4 Ohms speaker. It is designed to work with 4 Ohms speakers, and it will be best to slect 4Ohms impedence speakers to connect with this amp. Consider the Watts capacity of speaker too. It must be not less than 50Watts. In short, you have to select 4Ohms speakers, haveing more than 50Watts power handiling capacity. Remember, as Watt capacity of speaker increses, the cost will also increase considerably. OK.
match your total rms output at the resistance you will be running the amp at to the subs.
if your amp puts out 300w RMS@ 4ohms, then it will produce 600w RMS@ 2ohms. half the resistance, double the power.
So now that you know your available power, you should get speakers that will be used to the fullest at that given resistance.
If you have two 4 ohm subs that have a power handling of 300 watts, Then you can wire them in parallel ( + to + and - to -) to get a 2 ohm load (which will be 300w per sub with the above amp) or in series (+ to - to + to -) to get an 8 ohm load. (300w amp @ 4ohms = 150w amp @8ohms = 75 per sub).
Keep in mind: choose the speakers to fit the amp, not the amp to fit the speakers. If the amp has more power than the speakers can handle, you will blow them. and ALWAYS USE RMS WATTAGES.
I'd need to know more about the amp, but don't forget, amps are rated as their max power... So lets take a 300W/channel stereo amp at 8 ohms. Ok, it's stereo, so there's 600W But the amp is capable of 4 ohm loads...well, now you can deliver 600W/channel, for a total of 1200W In this scenario, your amp is doing exactly what it was designed to do with those speakers. If you wanted to get the full 1200W out of the amp, you'd have to hook up 2 more speakers in parallel to the ones already there. This drops the impedance to 4 ohms per channel = 600W / channel. Yes, the power is split among the apeakers...300W per speaker into 4 speakers = 1200W so any way you look at it, there's your 1200W
common problem with xti series... all the amp needs is a soft ware update contact crown and they can sort it for you... you dont have to send the amp back to them. it was a verry common fault with all the early xti amps..
You need to look at the specifications of the speakers and the specifications of the amp you are hooking them up to. For example: The speakers could be 8ohm drivers wired in parallel which would produce one connection at 4ohms. Most "bridgeable" car amplifiers are very stable at 4ohms. However you must first find out if the amp is "bridgeable" which means it's taking both outputs and adding them together for one monoral output.
Now to the contrary: If both speakers are 4ohms wired parallel, this would produce a 2ohm load and alot of "inexpensive" amps will not work efficiently in a 2ohm load since it creats alot of heat! and will cause an amp to shut down.
Get your manuals out and look at the specifications for impedance.
Lastly, you've got a band-pass box that is specifically designed for a mono load. (one channel) since there is no internal divider between the subs. If you were to run this box in 2 channel or "stereo" the subs would not be moving in unisome and fighting each other for "airspace". Hope this helps
It sounds more like you are overdriving the speakers not clipping the amp. If the output rating for the amp is 1000W into 4 ohms, this is approximately 500W into an 8 ohm load. Your speakers are rated for 400W. If you are running the amp at full output, that is too much power for the speakers and either the speakers are warming up too much and failing or are being extruded too far and failing. Your best bet is to better match the amp/speaker setup. Crown amps have built in clipping indicators and I believe that the xti series also has a compression circuit that would prevent distortion on the output side.
To confirm my suspicions, in what manner are the speakers failing? Are they completely open or do they sound distorted?