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HOW DO I BRIDGE OUT FROM A SA.LE3000 POWER AMP TO FOUR 15INCH SPEAKERS TWO CABS HAVE HORN SPEAKER AND THEY ARE 400 WATTS RMS EASH.AND THE OTHER TWO CABS HAVE 15 INCH SPEAKERS BLACK WIDOS

WELL IM TRING TO GET 3000 WATTS OUT OF THIS AMP.TO PUSH ALL OF THIS SPEAKERS.IM TRYING TO GET PERTTY GOOD PA SESTEM TOGETHER I PLAY IN A THEE PEACE BAND AND I WANT TO RUN DRUMS GUITAR AMPS AND MIKS BASE GUITAR AMP

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Need to know impedance of speakers in question and impedance of output of amp, to answer how to wire.

Posted on May 12, 2017

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Can you please tell me the best amp that I can use to hook up a Roland SPD 30, I'm looking for one to get volume. ( loud ).


Hi, With my sound engineers hat on I would use a small PA. mixer, amp and speakers!!!!
For quality you need a full, flat frequency range system with good headroom.
I assume this is for your own listening, when using an acoustic kit?
There are one box solutions.
  1. Drum amps. Like a monitor wedge with an amp, Roland do a PM-10, Various other makes are available.
  2. General purpose powered wedge.
  3. Keyboard Amp, these are full range and available in various sizes.
  4. Bass amp with high frequency driver (tweeter), not the best but will have good bottom end.
  5. Powered or active speaker, much like a powered wedge, but a different shape, needs an input volume control.
All these systems need to have large bass units, 10 inch minimum, and will be in mono. Two will give you stereo,
How loud depends primarily on the sensitivity of the speaker. But manufactures insist on selling things by power. Worth looking this up.
At a couple of feet away, 20 watts should do it, with high sensitivity speakers, more likely you find most things as above start at about 70 Watts.
Good luck, I hope I have widened you choices a bit.
All the best, Chris the Fader.

Oct 03, 2014 | Roland Spd-30 Drum Pads

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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

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How do i biamp these speakers they have a biamp plug in the rear do i need a special cable to do this


The two input jacks are parallel connected, to allow you to chain extra speakers together. There is no facility on this model to bypass the crossover and bi-amplify horn and driver separately. Nor should you need to. Just make sure you use a power amp rated for at least 400 watts per channel at 8 ohms.

Sep 23, 2011 | Peavey PV 115 Speaker PA Passive

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Want to run 2 subs of 1 amp ep 4,000 in bridge mode.


You can do that but your subs will have to be monsters or you will blow them out as bridged mode will drive 2400 watts RMS into 4 ohms. Many speakers are rated in peak or program power... these are FAKE specifications. with this amp in bridged mode each of two identical speakers would have to be rated at 2400 watts program or about 3600 watts peak each to survive... When rating speakers and amps ALWAYS compare RMS values... and for safety use an amp of 80% of the RMS rating of the connected speaker or speaker system.

Aug 28, 2011 | Behringer EUROPOWER EP4000 4,000-Watt...

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We heard a loud pop... then saw a flash of light set off by the internal speakers. What causes this? Are these speakers out of phase? What's causes this?


These are rated peak 600 Watts... your amp should NOT be bigger than 200 Watts RMS per speaker cabinet driving these to prevent burning out the speakers. The pop MAY have driven the speakers to full excursion and temporarily shorted the speaker voice coil. Test the DC resistance of the speaker... if you find it is under about 3.7 ohms you have damaged the speakers and continued use may damage your amplifier.. Often people will unplug a guitar cable causing a loud pop in the PA system and that CAN damage the speakers if the amp is too big.

Aug 16, 2011 | Kustom KSC215H PA Cabinet

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Our sound system runs two separate xl 5000 crowns individually to 2 srx728 subs(2241hpl speakers). Amps are run bridged and have been connected to "discrete" inputs on cabinets (I think this is...


More than likely you have lost the speakers... You sent TOO much power to them and likely the voice coils have heated and distorted and are rubbing the pole pieces and hanging up on them. If the voice coils now short some of the windings, next you will lose your amps as well. If you can access the cones, you can try gently moving them in and out with your fingers and you can feel the voice coils rubbing sometimes. REMEMBER ALWAYS check the RMS rating of the speakers against the RMS ratings of the amps... DO NOT fall for the "advertising" things of "peak power" and "program power" ratings... these numbers are to sell equipment... Use RMS continuous ratings when sizing amps to speakers. Typically the RMS continuous ratings are 1/3 of the peak or 1/2 of the program ratings. You will find amplifiers rated either way so you have to dig out the real ratings. In bridged mode the full output of both halves of the amp work together. Your speakers are rated at 1600 Watts continuous... I am not sure I believe that number even... you would be deaf in front of that quickly... Your amps appear to deliver 5000 Watts RMS in bridged mode... over three times what the speaker is rated at. Since you have the amps, set one aside and run each speaker from one side of a single amp NOT using full gain AFTER you get the speakers re-coned. I would recommend putting a fuse in the speaker lead to HELP protect the speakers when repaired.

Aug 12, 2011 | Jbl Srx728s Dual 18" High Power Subwoofer

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No low end from speaker. Sparks came out of backplate when switching the plug from jacks. Now the horns are only thing that works


If you failed to turn off the amp before changing speaker cables you have fried something. Since the plug shorts when unplugging, if the amplifier were on, the amp would sense the short and will often fry the amplifier or the speaker. You don't mention what the amplifier was. If the speaker were daisy chained to other equipment a ground loop probably formed and blew out the woofer. The horn often has Peavey's "SoundGard" circuit so it probably survived. NEVER change speaker cables while amp is on. ALWAYS secure the 1/4 inch type cables through the handle of cabinets so they can'tbe inadvertenly pulled out and burn up equipment. Your amplifier driving one of these should be rated at no more than 200 watts RMS. These "400 watt Prrogram" ratings are for the birds... fake advertising. Put 400 watts into this RMS and it blows out.

Aug 02, 2011 | Peavey PR15 400w PA Speakers

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I HAVE A PMP 3000 WITH A PAIR OF 12" EV PASSIVE SPEAKERS. EVERYTHING SOUNDED GOOD IN THE STORE, BOUGHT IT USED, BUT NOW THAT IT IS AT HOME I CAN'T SEEM TO GET MUCH VOLUME UNLESS I HAVE THE TRIM...


Did you have the same speakers you test with at the store? If not, that is the problem. This unit will generate 400 watts a side when used on 4 ohm speakers, and a little over 200 watts a side with 8 ohm speakers and about 120 watts a side with 16 ohm speakers. For mics, the trim controls will be between 3 o'clock and full right. You set these using the PFL button with loudess vocal such that the indicator does not reach into the clipping. Do this for each channel. ALWAYS use balanced lines where possible. Use of unbalanced cables input results in a 6 Db loss. You will want to run the channel and main faders normally in the 80% range, like between -5 and 0 for BEST signal to noise ratio. There are good videos on You tube about mixer setup. If the speakers were not the ones tested with, your speakers may be the problem... I HOPE they are NOT consumer stereo speakers as you will soon smoke them with this mixer... the consumer speakers are very inefficient and you won't get much sound before blowing them up. If you spent less than $300 for EACH EV speaker new, it is UNLIKELY they are suitable. The suitable ones I found for 12 inch are around $600 each...hopefully these are the ones you have. There are less expensive brands. Frankly, if you want more sound, especially bass, I would go up to 15 inch speakers. These are probably the lowest end price wise to consider: http://www.musiciansfriend.com/pro-audio/behringer-b215xl-15-1000w-passive-pa-speaker Shop around, but stay with PA rated pro speakers as consumer ones just won't take it and eventually fail when used with these amps. ALSO be very careful if you use 1/4 inch speaker plugs as the SLEEVE of the A channel of this amp is the HOT, not the TIP of the jack... short the sleeve to something grounded and it is goodbye amp.

Aug 01, 2011 | Behringer Pmp3000 16 Channel Audio Mixer

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What type of amp do I need for apair of rfdj1 12" dj 600w band speakers?


The 600 watt rating is FAKE like most of our advertising and will be either 600 watts PEAK or 600 watts PROGRAM. If it is Peak, use an amplifier with no more than 100 watts a side RMS... If it is program rating use an amp with no more than 150 watts a side RMS but that is pushing it for speaker safety. Also pay attention to the spec of the amp as to what it will output at the impedance of the speakers. I read the spec on the speakers... they are rated 150 watts RMS, NOT 600 watts... Use an amp rated at 150 watts RMS MAXIMUM at 4 ohms per side. Also don't turn up the bass excessively or you be buying new speakers. Twelve inch speakers would be adequate for a 20 by 20 room at SAFE listening levels. If you want driving bass, you need to get an 18 inch subwoofer.

Jul 14, 2011 | Rockford Fosgate Rfdj1 12" 2-way Passive...

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