Question about Monster Cable MPA 5150 SS Amplifier

1 Answer

4th channel turns on and then it turns off; 5th channel does not turn on

Monster mpa 5150 ss; when turning the power on the each channel indivisually turns on; but when it gets to the 4th channel the lights turn on and then it turns off; Repeats itself to turn on but it keeps doing the same turning on when reaching the 4th channel; any suggestions?

Posted by on

  • Alex323a Jun 29, 2008

    Already checked all fuses; fuse are fine.

×

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 1,512 Answers

Hi Alex323a

Nice amps. There is really only one check you can do without getting into the internals of the amp to help you resolve the issue. Disconnect the input and speakers from that channel,and see if it is able to turn on. If are up to it, checking over the poweramp board for that channel for dry or cracked solder joints, and in turn resoldering any you find may fix the problem. If not, the amp will have a problem on that channel and will need a tech to look at it. If it is under warranty still, Monster are pretty good for service I have heard, and they would be your first port of call. Other than that, Call you local HiFi specialist store and see if they can recommend a good audio tech in your area.

regards
robotek

Posted on Jul 24, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Hi, Bought a 5150 off EBAY new in the box. NOS. After the amp warms up channel 4 (Right Front) starts to distort. Then a minute or two later it goes into protection mode. Shuts on and off repeatedly. I...


You should contact the seller and get them to sought this problem out by supplying you with a new one or getting your money back. If you can't sought it contact Monster.

Jun 27, 2011 | Monster Cable Signature MPA 5150 SS...

2 Answers

Monster mpa 5150 ss amp


the unit is not able to tune above that channel .

means its a failure of components in the control board.

Jun 29, 2008 | Monster Cable MPA 5150 SS Amplifier

1 Answer

Hi i have a mpa 5150 when it warms up their is a static sound on the right front speaker. Any idea what is causing this ?


I have the same problem only its the left front speaker. I took my mp 5150 amp to a professional and he told me the problem is a modulator or the MU-1 part. This is a special part on the board that is designed by Monster and no one will have in stock. Each amplifier in this unit has its own MU-1. I am currently waiting further information.

Nov 03, 2010 | Monster Cable MPA 5150 SS Amplifier

1 Answer

Mpa 5150 continuosly shuts off after around 40 to 45 minutes wiring is good and everything is connected correctly have checked several times what could the problem be


This could be a semiconductor overheating, so when it's left running it acts up. But when cool it plays again. Could be in the power or something that effects all channels. You might be able to find it with Servisol Freezer spray. Wait for the suspect part to heat/act up, then spray it. It should burst into life, when you do so. To be certain apply a soldering iron to it (metal piece). This will cause it to act up quicker, then spray again, to confirm.

Feb 17, 2010 | Monster Cable MPA 5150 SS Amplifier

1 Answer

Scratchy/crackling sound from cable


Is it an input cable or output cable?

Do you have another one you could swap out?

Jan 25, 2010 | Monster Cable MPA 5150 SS Amplifier

1 Answer

Jamo MPA-101 2 channel amp quit working


Check the small electrolytics on the power supply board for high ESR, Very common problem on these amps. Protect circuit stays latched due to high ripple from PS.

Mar 24, 2009 | Jamo MPA201 2-Channel Amplifier

1 Answer

Monster MPA 5150SS


Might be a failing semiconductor component (usually an old transistor) in the amplifier's front end. This caused by the oxidation through the component legs or pin. I usually touch and move each transistor's body to exaggerate the noise. You can research also what kind of noise is it producing- intermittent, static, etc.
hope this helps..

Sep 20, 2008 | Monster Cable MPA 5150 SS Amplifier

2 Answers

Monster Amplifier MPA 3250


Hi rrogers1958

Not to discount what your tech has already said, there are a few things that can cause hum. Just want to get info direct from you regarding this problem. Then, I can attempt to point you in the right direction if you can provide me with answers of a few questions

  1. is the hum still there when you disconnect the inputs
  2. does the hum increase in vol when you turn up the preamp
  3. does the amp run hotter than normal
  4. is the problem on both channels
  5. did any event or contributing factor induce the hum or did it just start out of the blue
  6. do you have any warranty on the amp
If you could answer these questions for me, then I will convey what I think to you. Cheers

regards
robotek

Jul 16, 2008 | Monster Cable MPA3250SS 3-Channel...

1 Answer

Monster mpa 5150 ss amp


As It was mentioned on the premium post, if after removing the fuse(s) from it, the amp powers up and stays ON; the failure is on the transistors or mosfets and they will need to be replace to get the amp working again on channel 4.
I would suggest to contact the manufacturers to get an authorized repair center to fix it under warranty if your amp is less then a year old.
Good Luck.

Jun 30, 2008 | Monster Cable MPA 5150 SS Amplifier

Not finding what you are looking for?
Monster Cable MPA 5150 SS Amplifier Logo

Related Topics:

186 people viewed this question

Ask a Question

Usually answered in minutes!

Top Monster Cable Amplifiers & Preamps Experts

 Grubhead
Grubhead

Level 3 Expert

4593 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17129 Answers

The Knight
The Knight

Level 3 Expert

68368 Answers

Are you a Monster Cable Amplifier and Preamp Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...