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I have a 50x2 amp that is bridged 100 into a 4 ohm load. can i run this to a 6x9 3way speaker rated 100rms 4 ohm

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Yes, you can. There's the impedance match between amp and speaker (4ohm to 4ohm).
The only issue I would say is that if the amp is putting out 100 watts RMS, then you wouldn't want to drive the speaker to the max, because it's rated at 100 watts RMS max, and at louder volume, it will start to distort and possibly blow from fatigue. Other than that issue, it should work fine.

Posted on Jul 22, 2009

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So how do wire this set set up to a bridged amp any help would be appreciated


assuming that is a dvc dual 4 ohm speaker, and you have a 2 ohm bridged amp, you run a positive from each side of the speaker into the bridged positive of the power amp, and run a negative from each side of the speaker into the negative bridged terminal of the amp. if, indeed, you have 2 4 ohm voice coils, running them bridged in parallel wiring will bring the load to 2 ohms. if you have 4 voice coils, of 4 ohms apiece, you could run all 4 parallel into the amp, but that would bring the load down to 1 ohm, and you would have to make sure you8r amp can support 1 ohm operation.

Jan 07, 2017 | Car Audio & Video

1 Answer

Do you bridge a 850.4 four channel amp when it is 2 ohm stable and ur subs are wired up as series/ parallel and there 2 ohm dual voice coil speakers


If you wire 2 ohm dvc speaker parallel that would give you a 1 ohm load. If your amp is only 2 ohm stable that would not work. You would have to wire the speaker in series giving you a 4 ohm load. Then you can bridge the 4 channels into 2 with each speaker running at 4 ohms.
If you want to run a 2 ohm load use all 4 channels on amp and speakers. No need to bridge.
For 2 ohm DVC:
Parallel = connect both + and - together. = 1 ohm
Series = connect + from 1 channel to - from the other channel. = 4 ohm.

Jul 06, 2014 | Car Audio & Video

1 Answer

300W Pyramid PA305 protection light


What is the speaker load in Ohms that you are running? Or what exactly is hooked up to it? are you bridging it? The protection light will come on if the load is too much for the amp to handel. If the load (in Ohms) is less than the rated load that it can run, it will stop the output to keep the amp from self destructing. The amp will sense that the demand for power will be too high for the amps circuitry which will either make the amp get so hot that it will burn up the copper on the board or more likely burn up the power mosfetts that power the speakers. If the Ohms are within range then it will allow power to flow through the circuit until the rails that the mosfetts are bound to until they get so hot that it will go into thermal protection. So if your amp has both thermal and overload protection lights and the overload is light then the load is probably too much for the amp. if it's bridged in mono the you can only have 1 speaker setup hooked up it if it's a 2 channel amp. a 4 channel amp bridged in mono for both front and rear channels will be able to have 2 speakers rated a 4 ohms each hooked up to the amp 1 set per bridged output or channel.
Try it running in stereo with only 1 speaker per channel and see if it will produce sound. If not then you have an amp that has internal problems and will need to be serviced. Check your warranty to see if you are covered.

Apr 02, 2013 | Pyramid PA305 150 Watt PA Amplifier Car...

1 Answer

What is the actual watts per channel @ 8-ohms and 4-ohms on the Behringer PMP3000?


Those specs would be right - I have this same board but the amp was fried by a previous owner. I pulled the amp board out and tossed it and use the mixer now to drive an external amp. Great board. This amp is rated at 1200W "peak", bridged into an 8ohm load. That would equate to about 900W RMS bridged into 8ohm or 450 per side into 4ohm loads per side. You can't daisy chain all 4 speakers....impedance would be too low. You can run two of your 8ohm speakers per side - that results in a 4ohm load per side for the amp. That would give you amp delivery of 450W per side. Your speakers are rated to handle more than that so you're fine. For the record.....you could run one speaker per side no problem....just lower power output.

Aug 16, 2012 | Behringer Pmp3000 16 Channel Audio Mixer

1 Answer

How to bridge two l7 kickers


It depends on the end ohm load you are trying to achieve. If your amp is rated at 2 ohms stable, then wire for 2 ohms, if 1 ohm stable wire for 1 ohm. EX. A dual 2 ohm woofer can be wired with the positive of 1 coil connected to the negative of the other coil, then connect the amp to the other two open terminals. This cuts the load of that speaker down to 1 ohm. When connecting the other speaker in the same manner, the two speakers a 1 ohm each add together to produce a 2 ohm load at the amp. NOTE- a 2 ohm amp running a speaker wired for 1 ohm will not have enough resistance to limit the power coming from the amp and runs a high chance of burning the amp up.

Oct 30, 2010 | Kicker S15L7 Car Subwoofer

1 Answer

Amp comes on running 2 12" 450 watt pioneer subs, volume only seems to be about half output, with speakers bridged


This could be the reason. If you look at the specs for this amp you will see that the continuous power out is rated for 380W bridged. The speakers rated at 450W should be able to handle close to 315W continuous. Now if you split these numbers being you have bridged these speakers, you drive each one up to about 190W continuous. The speakers are being driven approximately by 60% of the rated capability. I personally like to keep it right where you got it, not exceeding 80% of the speakers rated capacity.

Here are the specs for the AMP:
  • Specifications
  • Peak Music Power 760 Watts
  • Number of Channels 2
  • Load Impedance Capability 2~8 Ohm (Stereo), 4~8 Ohm (Bridged)
  • Continuous Power (4 ohm) 125W x 2
  • Continuous Power (2 ohm) 190W x 2
  • Continuous Power Bridged (4 ohm) 380W x 1
  • Frequency Response 10Hz ~ 50kHz
  • Total Harmonic Distortion 0.008%
  • Signal-to-Noise Ratio 100dB
  • Dimensions 12" x 2-3/8" x 12-3/4"
  • Features
  • Bridgeable
  • Channel # Capability 1/2/3
  • PWM Regulated MOSFET Power Supply
  • Screw-Type Speaker Terminals
  • Balanced Isolator Input Circuit
  • RCA Inputs 2 Channel
  • Input Level Control Hi-Volt (200mV ~ 6.5v)
  • Built-in Crossover Selectable LPF (80Hz, -12dB/Oct.)
  • Aug 06, 2010 | Pioneer GM-5000T Car Audio Amplifier

    2 Answers

    PYLE PT2001X 3300 Watt Professional DJ Power.just had question about running this amp in bridged mode 4 ohms, here's some amp info 3300 watts total power bridged in 1 ch only.1650 each ch in stereo mode...


    Hi,

    In bridge mode the minimum load will be 8 Ohm.
    If you are using 4 Ohm speakers, it will mean you will give each side of the amplifier a 2 Ohm load.
    Thats to much for this model.

    Kind regards,
    Gerard

    May 13, 2010 | Pyle PT-2000 Amplifier

    1 Answer

    If the power light on this 1200.1 polk amp turns


    i had an amp that did the same thing your amp should not be doing that i dont know how old it is but mine had internal overload switch in it which kicked on if the amp was getting to hot and in my case i would say it was because of i had the amp bridged to a set of of some 100rms 4ohm speakers very nice speakers but by bridging the amp i was over loading the ohm load to the speakers and that was cause of my amp light staying the color that its was it was an old alpine amp with duo B circuitry but i hope you get your situation with this amp straited out check your contecions and if its bridege make sure the amp itself is not over heating cause that can be a problem you dont want mess with that.

    Oct 27, 2009 | Polk Audio PA1200.1 Car Audio Amplifier

    3 Answers

    It has an A and B channel for spkrs and i have one spkr bridged. do i split the neg to side a and pos to side b or just use one of the channels?


    Could you elaborate on how the speaker is bridged?

    I think you want to hook up a single speaker to a stereo speaker output.

    In this case, you would strap (bridge?) the right and left speaker terminals by running a short wire from A right negative to A left negative. Then strap A right positive to A left positive -- this will give you mono output on either of the right or left speaker terminals -- connect your speaker to either one of these.

    Do you know what the ohm rating is for the speaker outs on the amp and also the speaker itself?

    Charlie

    Aug 31, 2009 | Rockford Fosgate P3001 Car Audio Amplifier

    1 Answer

    Sony xplod xm-1652z amp


    You probably have the output bridged at 2 ohms. This amp is not a 2 ohm bridged stable amp. It is 2 ohm stable only in stereo. That means each channel can be 2 ohms, buts not bridged at 2 ohms.

    If you have two 4 ohm speakers that are wired in parallel and then you bridge them, you have a 2 ohm load.

    They only safe way to use two 4 ohm speakers is to run one speaker to each channel and then you have a stereo 4 ohm load.

    When you use a 2 ohm load you get twice the current draw thru the amplifier as you would with a 4 ohm load. That means that the fuse you are using, the rating the amplifier is designed for, will blow any time you have a big bass hit.

    If you are not using a 2 ohm bridged load, and you are using a 4 ohm bridged or something the amplifier is rated for, and you still have this problem, you may have a bad speaker. Even a speaker that will play can sometimes be on the brink of shorting out and causing the amplifier to draw lots more current than it is rated for.

    If this is the case, you should go and get your speakers checked and see if they are still measuring at 4 ohms or at least close to it. Most speakers will measure a little lower than what the are rated. It is not unusual for a 4 ohm speaker to measure at 3.5 ohms, but if it is less than that, you problem is the speaker. Even if the speaker still plays.

    I hope this was helpful for you, if you require any further help just ask.

    If you did find that this was helpful in solving your problem, I would really appreciate a good rating.
    Thanks and have a great day,
    Dave

    Jun 19, 2008 | Sony Xplod XM-1652Z Car Audio Amplifier

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