View Full Version : Audio CLicks/Pulse in the monitors
shanabit
06-09-2010, 12:48 AM
Hey guys,
Im having an issue here with an AUDIO pulse/tick coming into my monitors
It happens at a cycle of 51.5 BPM if you will as I measured it with Reaper. This is WITH or WITHOUT the computer on BTW. It DEF audible
Heres the thing, with JUST my keyboard hooked up to my Event 2020/BAS, I hear this pulse. If I just hook up my Ashley line mixer to the speakers and NOTHING else, same issue. If I hook up my Motif rack to the speakers and leave the Motif off= same issue. If the speakers are hooked up to JUST my Steinberg MR816=same problem.
SO, I tried three different circuits/breakers in the house=same issue on all three. 7,9,10, and 11
I hooked up an X-Hum thinking it was a ground issue, nope, still there.
Im lost at this point. I even unhooked EVERYTHING except the speakers and the keyboard, same thing
Everything is running into a FURMAN PL PLUS box then into the wall.
Im guessing the main electric coming into the place has a ground problem??? However, I tried a ground lift at the wall, same Tick tick tick tick!! Hum isnt the issue here BTW. Its not a clocking issue since ANY synth I hook up directly to the monitors has the SAME issue as well as my Ashley Line Mixer and my Steinberg MR816X
HELP!!!!
Are these voltage clicks that can leak into the audio?
Are these voltage clicks that can leak into the audio?
Take the speakers off the Furman. Is it there?
Take one of the speakers completely out of the room into another room, is it there?
Take the speaker to someone elses house and try it, is it there?
If it is, then your powersupply in the Events is dying, I suspect.
Can they leak into the audio? Yes and no. If the source is just the speakers, then no.
If it is coming from your keyboard, then yes.
If you have a good set of headphones, listen through your headphones. Beyerdynamic DT770 headphones can get down to about 50, maybe a little lower.
LEX
It sounds like it could be a voltage cycle, but if you can, try a different set of monitors. That's the only other constant in every test as far as I can tell. Perhaps a silly question, but what happens with just the speakers, nothing else (and be sure to unplug all power cords except the device(s) being tested)?
How about the speakers without the Furman (direct to the wall)?
If it happens with just monitors on, Events and other powered monitor, it might be a good idea to get an electrician to take a look at the house power and wiring.
ROCKINROG
06-09-2010, 08:42 PM
Anything wireless in the vacinity? or data cables running near your speaker wires?
Animus
06-09-2010, 09:09 PM
Might be the monitors themselves, fault in the amp etc.
shanabit
06-10-2010, 07:03 AM
Take the speakers off the Furman. Is it there?
Take one of the speakers completely out of the room into another room, is it there?
IF nothing is connected to the speakers there is no TICK TICK TICK TICK, as soon as I plug in ANYTHING into the speakers, bam there it is. Anything in my rack will do it. I can even here it in my I/O on the headphones
Take the speaker to someone elses house and try it, is it there?
Im going to borrow my brothers Mackies and see how that does
If it is, then your powersupply in the Events is dying, I suspect.
Would BOTH Events power supplies be dying at the same time?
Can they leak into the audio? Yes and no. If the source is just the speakers, then no.
If it is coming from your keyboard, then yes.
Doesnt matter WHAT I have connected directly to the Events, TICK is there. Anything in the rack will produce the TICK TICK when connected to the EVENTS. EVENTS plugged into the wall, just fine.
The outlets in the room have proper ground according to the tester. 60Hz and 124V
LEX
This is nuts. I even shut off every breaker in the house except the studio room, same problem
shanabit
06-10-2010, 07:05 AM
It sounds like it could be a voltage cycle, but if you can, try a different set of monitors. That's the only other constant in every test as far as I can tell. Perhaps a silly question, but what happens with just the speakers, nothing else (and be sure to unplug all power cords except the device(s) being tested)?
How about the speakers without the Furman (direct to the wall)?
No TICK TICK, just your normal hum if you will
If it happens with just monitors on, Events and other powered monitor, it might be a good idea to get an electrician to take a look at the house power and wiring.
Electrician is next I guess. Im DEAD in the water with this, cant record as its in the AUDIO track!!
shanabit
06-10-2010, 07:05 AM
Anything wireless in the vacinity? or data cables running near your speaker wires?
No wireless at all here, I even unplugged my Ethernet cables to see what would happen
shanabit
06-10-2010, 07:06 AM
Might be the monitors themselves, fault in the amp etc.
Would BOTH go bad at the same time?? Im gonna borrow some Mackie HR6's and see what happens
shanabit
06-10-2010, 07:52 AM
Im wondering if I got a TrippLite 1000 Isolation Transformer if that would take care of the issue???
Did you try the speakers in another place? Is it still in audio you record without the monitors plugged in at all??
Vinark
06-10-2010, 09:17 AM
What about on headphones, connected to anything that takes it.
Animus
06-10-2010, 10:23 AM
Would BOTH go bad at the same time?? Im gonna borrow some Mackie HR6's and see what happens
ah. I didn't notice you said both. Very strange.
shanabit
06-10-2010, 12:05 PM
1. Did you try the speakers in another place?
2. Is it still in audio you record without the monitors plugged in at all??
1. Will do that soon
2. Ill do that this afternoon and report back
Yes, it is possible for both PS to die at the same time if the circuit powering them had a surge, spike or higher voltage constantlt running to it.
First, you need to take the speakers out of the room. Shutting of breakers for the rest of the house does nothing.
Take them in to another room and see if it is doing it.
Rather than borrowing speakers, take them out of your house and try them out. That way, you will at least know if it is the speakers.
If you borrow, then it doesn't happen, then you put your speakers back up, you are back to square one and have to still determine the problem.
a UPS with regulated power is always advisable for ALL your equipment. I have 5 of them.
LEX
shanabit
06-10-2010, 12:49 PM
Yes, it is possible for both PS to die at the same time if the circuit powering them had a surge, spike or higher voltage constantlt running to it.
First, you need to take the speakers out of the room. Shutting of breakers for the rest of the house does nothing.
Take them in to another room and see if it is doing it.
Rather than borrowing speakers, take them out of your house and try them out. That way, you will at least know if it is the speakers.
If you borrow, then it doesn't happen, then you put your speakers back up, you are back to square one and have to still determine the problem.
a UPS with regulated power is always advisable for ALL your equipment. I have 5 of them.
LEX
Which UPS are you using BTW?
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