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Amp powers on but no output for speakers pma1200

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Audio amplifier IC´s damaged you need to replace them.

Posted on Sep 18, 2008

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Posted on Jan 02, 2017

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When I plug-in my vp1220f floor monitors in to the monitor mix on the pmp 2000 i get no sound or little sounds


If you are referring to the "monitor" output , this is a Pre-amp output which connects to a power amp or speakers that have built-in power amps. The Monitor output is a high impedance output. This output will not drive speakers directly.

Jun 02, 2014 | Behringer PMP-2000 Powered Mixer

1 Answer

Which amplifier is best suitable for me to use?


This really depends on the setup you intend to create in your vehicle.

The Amplifer (amp) needs to be matched to the speakers you intend to run.


As a rule of thumb, the power of the amp shouldn't exceed the max. power of the speaker (this may damage your speaker). Instead, the amp's RMS output power should be at 75-100% of the speaker's RATED (RMS) input power. NOTE: this must NOT be confused with max power.

Ideally, you want to run each speaker with its own amp channel.

A subwoofer will usually require a hi-power single channel amp, or a 2 channel amp, bridged into 1 (to increase power output required for the sub).

Here are some examples in simpler terms:

1 channel (hi power) amp can run a subwoofer.
2 channel amp can run 2 speakers, or 1 sub (bridged).
4 channel amp can run 4 speakers, or a combination of 2 spkrs + 1 sub (bridged), or perhaps 2 subs (bridged).

Hope this makes sense.

Feb 27, 2013 | Car Audio & Video

1 Answer

CAN I CONNECT BOTH MONITORS AND SPEAKERS (S215 AND SM'S) TO A YAMAHA P5000S AMP?


You could use this amp as effectively 2 separate mono amplifiers - using one channel to power the monitors and one to power the main speakers.
Alternatively you can run the amp in stereo connecting one set of speakers to the neutrik outputs and one to the jack outputs. In this case the amp output will be shared equally between the two sets of speakers, which are in parallel, and the combined impedance must be not less than 4 ohms.

Feb 26, 2011 | Yamaha P-5000 Amplifier

1 Answer

Wish to run sm450v2 Mackie powered speakers thru a Peavey XR8600


The Peavey XR8600 is NOT just an amp, but a powered mixer.

To SAFELY use this with your powered speakers, connect those speakers to the MAIN and MONITOR outputs on the front of the unit with 1/4 inch INSTRUMENT rated cables (NOT speaker cables).

To safely leave the power amps in the XR8600 with no output loads, plug GROUNDING plugs into the POWER AMP 1 and 2 input jacks on the front. This will prevent the power amps in the XR8600 from running with no load which COULD damage them.

Make the grounding plugs from 1/4 inch mono plugs by jumpering the centr aand sleeve terminals of the plug.

Jul 09, 2010 | Peavey Audio Players & Recorders

2 Answers

My amp gets really hot as soon as the power comes on. what does that mean


Check your speaker output cable and connector, they might have connected to body of car.
  1. Remove all input / output cable from amp
  2. Plug the power into amp.
  3. if still the amp is still heating.
  4. Check if any screw used to fix is not connected any part of the amp output or input point.

Jul 22, 2009 | Kenwood KAC-728S Car Audio Amplifier

1 Answer

No Audio when disconnect from external amp and hook to speakers


In a radio like your Pioneer and all similar units there are always a pre-amp circuit that feeds a power amp circuit,In some players there are more than one pre-amp circiuts. It is possible and highly probable that the power amp circuit in your Pioneer is shorted, so you still get some audio output , but very little. I believe this is your problem and I suggest that you bring it to a repair shop for an estimate or replace the unit. Good luck and please rate this answer, Thanks.

Apr 12, 2009 | Pioneer Car Audio & Video

1 Answer

I have a xenyx 2442fx mixer and ep2500 power amp hooked up to 2 1800x subwoofers and 2 1520 pro speakers. i am using a peavey xr 684f powered mixer to power my monitors. i would like to add another power...


You would need a 2 or 3 way crossover, depending on whether or not you biamp your tops. Simply go out of your main outs on the mixer into the input of the crossover. Go from the low output of your crossover to your low power amp input (subs), and the high output of the crossover to the high power amp input (tops). Then go from your outputs of your amps into the speakers themselves.

Jan 04, 2009 | Behringer B1520 Pro Eurolive 15" 2-Way...

1 Answer

Sony cdex-m630 connections with an amp


You can use either set of RCA outputs for the amplifier that you want to. Only difference in either of them is front, rear and sub outputs. If you are only powering a sub amp, then use the sub outputs, otherwise, the other two will work fine. You can still use the outputs from the radio itself to power four other speakers while using the RCA outputs.

Jun 26, 2008 | Sony CDX-M630 CD Player

1 Answer

Hooking up 2 speakers to 1 speakon output


Power Output (1 kHz*) Stereo Bridge-Mono 8 Ohm 4 Ohm 8 Ohm XLS 802 500W 800W 1600W XLS 602 380W 600W 1200W XLS 402 300W 450W 900W XLS 202 200W 300W 600W *1 kHz Power: refers to maximum average power in watts at 1 kHz with 0.5% THD. It depends on the impedence of the speakers. Carfull as you could burn up this amp if you exceed the resistance rating on it. Go here on all of the specs of this model of crown amps. http://www.crownaudio.com/amp_htm/xlsspec.htm Good Luck

Mar 27, 2007 | Crown XLS202A 2-Channel Amplifier

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