I have a pair of BX5a monitors hooked up to a video editing suite. One of the monitors is off. They are powered to a working electrical supply. They are driven off a Mackie DFX-6 with a 1/4" unbalanced connection. No blue light on the monitor, no sound or hissing on that side. I changed the fuse with the supplied backup and it powered up and the light faded quickly and was dead agin. Can you help?
I have a pair of BX5a monitors hooked up to a video editing suite. One
of the monitors is off. They are powered to a working electrical
supply. They are driven off a Mackie DFX-6 with a 1/4" unbalanced
connection. No blue light on the monitor, no sound or hissing on
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Hi, cases like that always comes u. Earlier you said just replaced it, that's not too good for anew monitor speaker.
You could test the fuse inside the speaker if it's still working, might be power fluctuation that might have caused it to blow.but you need to test it. If it is the fuse,fine! you can replace it, it does not cost much to replace.
Also if i can recall,most new stuffs always comes with guarantee with it,right?. I would suggest you could take it back and get a replacement, and i guess if they see it,since it is on guarantee,they can fix it for you without even charging you a penny.
I would suspect the Mac isn't passing any audio out. Test it with headphones before we troubleshoot the audio hardware. OR, connect a different audio source to the preamp to see if it works with something less complex than a Mac.
See if you can isolate the buzz to one woofer or tweeter. If a woofer, gently and evenly move the cone in and release to feel / listen for scraping. If you notice any scraping, the voice coil could be shot - a small bobbin of copper wire may have deformed andis now rubbing. Occasionally if a speaker is dropped, the magnet can shift, which will then rub the coil.
In any case, if there is coil rub that causes the buzz, you need to replace that driver.
If the buzz is electronic in nature, assuming these are the powered versions, a qualified service tech will have to diagnose and repair.
Not sure i can help with the led problem but i just fixed a hissing problem with one of my BX5a monitors. It developed a hiss when on (both tweeter and bass) and a very loud thump when switched off. I found a slightly swollen power filter capacitor on the internal board. They are the two biggest black capacitors, labelled as 25v 6800uf. Only one of these was bulging. The tops of these should be totally flat. The indented X on top of the caps make any bulge easy to spot. Worth opening it up and having a quick look. I could only find 35v 6800uf caps at my local electronics store but they did the job ($3 each). I swapped both out and it's now working great. An easy DIY fix, just be sure to always have the power cord unplugged before you put your hands anywhere near the guts of the thing. Hope it helps.