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Mackie srm450 amplifier low sound - Mackie Audio Players & Recorders

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Are you running a sub, daisy chained to it? are they connected to each, just have one, two, four? are you hooked up like in the pic? What Function Does Mouse Pad Carry Out AmanStino

Posted on Jan 04, 2017

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Are you running a sub, daisy chained to it? are they connected to each, just have one, two, four? are you hooked up like in the pic?

Mackie srm450 amplifier low sound - 26425296-rpqltah4fv1m3mnct1w42zea-3-0.png

Posted on Jan 04, 2017

  • TStevens Jan 04, 2017

    IF your running a sub AND the mackies, go thru your sub first THEN (line in, into your sub, then line out to your mackie tops)

  • TStevens Jan 04, 2017

    IF no sub, you won't re create what you heard in the showroom.

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Posted on Jan 02, 2017

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SOURCE: mackie srm450 the tops on one speaker is not working

Hi There, This is quite a common problem with the Mackie SRM450's. You will find that you need to replace the diaphram on the top. This can be done by removing the 16 screws from the back of the Mackie (quite a long pain in the **** job) with a long handled cross head screw driver.

Once you have done this you should then remove the hex bolts from the back of the drive where the black and right terminals are. When this is done, pull off the cover and swap the diaphram out. With the new diaphram in place reverse the steps above but before you screw the back on, power it up carefully and check the sound is now working.

If the diaphram keeps going eg every 3 to 4 months then you will need to change the driver which is quite expensive to do. If you need spares and are based in the UK, contact LondonSpeakerShop.com who carry spare parts or can undertake the repair.

Hope this helps.

Posted on Mar 05, 2009

  • 4 Answers

SOURCE: Mackie SRM450 won't power on.

I have the same issue... it somehow appears that no power is present at Q34 / Q35 on the schematic but I dont know how to trouble shoot it!

Posted on Oct 29, 2009

  • 1 Answer

SOURCE: what kind of tool is needed to open mackie srm450

12" phillips screw driver total of 16 or 17 screws on back, then open like a **** its easy!

Posted on Nov 07, 2009

  • 3 Answers

SOURCE: When turned on: srm450 has no sound, but all leds

1 TAKE THE MAINS PLUG OUT
2 Unscrew the fixing screws on the back. (just the outside ones)
3 Take the back off and turn the amplifier circuit board to face you.
4 About 2" from the left and about 4" from the bottom you will see a sort of tab. pull it off gently and widen the 2 prongs slightly.
5 Put the jumper tab back on and re fit the amp.

Posted on Feb 15, 2010

  • 1 Answer

SOURCE: my mackie srm450 v2 has

my mackie srm 450 vz is power supply is dammage

Posted on Nov 15, 2010

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1 Answer

Reason and fix for distorted sound?


Your amplifier circuit is in serious need of repair. If both amps are responding the same, then the likelihood of two separate amps going bad at same time is remote. Look at something they both share in common such as the power supply. If you do not feed the amp the correct "juice" it is not going to do squat!

Apr 06, 2015 | Mackie SRM-450 System

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Blown Mackie srm450 woofer makes sound but rattles when turned up


I need more information, but some similar event i remember with SRM450 and was the paper cone on the speaker, not visible from outside but inside was severely cracked all round, hope this helps.

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Problem with Mackie SRM450V2: HFsignal bleeding through LF driver,low HF OUTPUT also. Filter problem i suspect.


There is an entire crossover circuit inside that is BEFORE the amp section. There are 2 separate amps: one for HF and one for LF. Can you describe the noise you are hearing in more detail? Is hte sound effected by the gain controls at all? What happens without any input?

Thanks,
Dan

Feb 10, 2011 | Mackie Srm450v2 Srm V2 Active Speaker...

1 Answer

When turned on: srm450 has no sound, but all leds (power and signal) is normal. If I turn the volume up (near maximum) , the srm450 sound is activatet again , and peforms normally. I then turn volume down...


1 TAKE THE MAINS PLUG OUT
2 Unscrew the fixing screws on the back. (just the outside ones)
3 Take the back off and turn the amplifier circuit board to face you.
4 About 2" from the left and about 4" from the bottom you will see a sort of tab. pull it off gently and widen the 2 prongs slightly.
5 Put the jumper tab back on and re fit the amp.

Dec 26, 2009 | Mackie SRM-450 System

1 Answer

Repair a Mackie SRM 450 Speaker The Speaker is making a crackling sound while playing. The sound keeps cracking up.


You probably need to replace the diaphragm. The diaphragm is located behind the back cap. Simply remove the back cap, remove the diaphragm, clean the voice coil gap with a piece of masking tape, install a new replacement diaphragm, reinstall the back cap. That it!
You can see videos on how to replace diaphragm at this link.
http://www.soundspeakerrepair.com/speaker-parts-c/INST/Installation+Instructions
You can buy a new Mackie SRM450 diaphragm at this link.
http://www.soundspeakerrepair.com/speaker-parts-cp/SRM450-DIA/DIA-Mackie/Mackie/

Jul 20, 2009 | Music

1 Answer

Mackie srm450 the tops on one speaker is not working


Hi There, This is quite a common problem with the Mackie SRM450's. You will find that you need to replace the diaphram on the top. This can be done by removing the 16 screws from the back of the Mackie (quite a long pain in the **** job) with a long handled cross head screw driver.

Once you have done this you should then remove the hex bolts from the back of the drive where the black and right terminals are. When this is done, pull off the cover and swap the diaphram out. With the new diaphram in place reverse the steps above but before you screw the back on, power it up carefully and check the sound is now working.

If the diaphram keeps going eg every 3 to 4 months then you will need to change the driver which is quite expensive to do. If you need spares and are based in the UK, contact LondonSpeakerShop.com who carry spare parts or can undertake the repair.

Hope this helps.

Feb 22, 2009 | Mackie SWA1501 Subwoofer

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