Question about Mackie SRM-450 System

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Bass cuts out on my Mackie SRM450 when turned up. I never clip these speakers but on turning volume up to full for a second the bass comes back on. Any ideas? The joints & connections have been cleaned but still no joy.

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1 Answer

No sound but all powers up. Signal light stays on.


Internal opamp fault, they look like a little spiders, 8 pin each, some of them got fried internally is a common srm450 issue, hope this helps.

Jan 28, 2013 | Mackie SRM-450 System

1 Answer

When I turn up the vol knob to max on the back of my srm450'sv1 they distort. Is that normal?


Pretty normal for almost any active speaker to distort at full volume, hope this helps.

Nov 22, 2012 | Mackie SRM-450 System

2 Answers

Problem with the Mackie SRM 450 v2


It would be very unusual if the blue LED is burned out. They should last a million years. I suspect the power supply has a problem.

Apr 03, 2017 | Mackie Srm450v2 Srm450 Srm 450 V2 Active...

1 Answer

Bass audio gets fuzzie once ans while, heat sinks seem warmer that normal


You MAY be driving it too hard. If you are sending large bass pulses like from a drum machine to this, it may be overdriven. Check if the clip light is coming on. If it is coming on, back down the volume. If you can't live with the volume at a level that doesn't clip, then you need to get a bigger speaker. This is a 12 inch which is really not suitable for running drums through. Good for vocals and some instruments. When you run up to clipping level the gain is cut in the electronics to protect the unit and that results in a distortion or fuzzie sounds.

May 09, 2011 | ElectroVoice SXA100 Plus Powered PA...

1 Answer

Hi; My mackie srm450 is not giving bass anymore what can I do to repair it ?


FIrst of all this is not a repair site per se. We help by providing information that you may require to repair something.

For your specific problem, there can be many causes. The speaker itself can be defective, the amp may be blown or the crossover could be malfunctioning. Without seeing the actual unit, I cannot possibly know which is the case. These are decent units and rarely fail in this manner. In my experience, the likely problem is the speaker itself. You can contact Mackie directly for a replacement. If you have an ohmmeter, disconnect one of the speaker wires and measure across the speaker terminals. You should read either 6 or 3.6 ohms. If you read infinity, the coil is open and the speaker must be replaced. If you feel that you cannot attempt this repair, please update this with your location so I can suggest a repair facility close by.

Thanks,
Dan

Apr 12, 2011 | Mackie SRM450 PA Speaker

1 Answer

When i turned the bass up to high on my head unit my amp cuts out on overprotection, just for a second and them comes back on. why?


go into your settings in the deck by holding down the volume on most models for 10 seconds then change your hpf settings and your lpf settings your bass will sound much better and not cut out. hpf recommended 160......lpf recommended 140.... good luck

Jun 03, 2010 | Car Audio & Video

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

Any idea why my Mackie swa1501 bass bin has blown 2 speakers in the last 3 months? Bass Drum is the heaviest instrument going through it, but I never let it clip, I also run a fan on it which keeps it...


does your swa1501 get hot just being switched on ?
sounds like your output transistors breaking down or your dc to dc rectifier is shorting this would dumping high voltage to the speaker. I guess your speaker coil is burnt . check Q4,Q5,Q7,Q12.Q14,Q15,Q17 and Q18 these are all mosfet transistors that commonly break down..

Oct 01, 2009 | Mackie SWA1501 Subwoofer

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

1 Answer

Ozaki DV808 speakers problem?


i think there s some problem inside the circuit of ur spekaer,,,u gotta take that to a repairer as soon as possible...he might tune up the circuit board

Jul 02, 2008 | Audio Players & Recorders

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