problem with PA-system

Live · 12th January 2004, 01:32 PM

Hello,

I'm having a problem with my system, normally I use a crossover (2way) but then I have the problem of a tone that comes up and ends with a plop in 1 of the 2 channels, both top and sub speakers give this tone, but when I only use the topspeakers and no crossover it works perfect.

So my question is how do I get rid of this tone, its very irretating.

I've checked the cables.
I'm using the cx3400 crossover from behringer

dokter dB · 12th January 2004, 07:59 PM

switches on the back/front are not giving good/clean contact...
ive heard that if one of the scaling switches are dirty/not connecting very well, it gives oscillation in the filtersection......

Bull · 12th January 2004, 09:57 PM

Is the pop only when u turn it on,or is it constant??

Because remember to avoid pops,clicks and thumps through the speakers,turn on in this order.
Remember D.O.R.A when swtiching on:
1st on Desk/mixer and sources such as Turntables and CD players
2nd Outboard gear[Graphic Eqs,Compressor/Limiters,FX units]
3rd Recording gear [tape machines,minidisc,etc]
4th Amps

Remember A.R.O,D. when switching off:
1st Amps
2nd Recording gear
3rd Outboard gear
4th Desk/mixer

So this method will stop pops,clicks and thumps from going through the speakers--possibly damaging them.

As Live is having a problem with a 'funny' tone coming out the speakers it's more likely to be a switch or filtering problem with the active x over.

Live · 13th January 2004, 04:59 PM

I always use the same methodas you say (Bull).

Do you think its the crossover?
Because its brandnew and the cables too so,
And from the first time I used it , I'm having this problem.
could it be the cables that give it bad connection or is it internal?

tnx for your time

dokter dB · 13th January 2004, 06:12 PM

Quote:

Originally posted by Live
I always use the same methodas you say (Bull).

Do you think its the crossover?
Because its brandnew and the cables too so,
And from the first time I used it , I'm having this problem.
could it be the cables that give it bad connection or is it internal?

tnx for your time

internal, one of the range switches.... switch them on and off or half in between, and oscillation will probably occur.... I think there is an update, with resistors placed parallel over the switch or something....

12th January 2004, 01:32 PM	#1
Live diyAudio Member Join Date: Jan 2004 Location: antwerp	problem with PA-system Hello, I'm having a problem with my system, normally I use a crossover (2way) but then I have the problem of a tone that comes up and ends with a plop in 1 of the 2 channels, both top and sub speakers give this tone, but when I only use the topspeakers and no crossover it works perfect. So my question is how do I get rid of this tone, its very irretating. I've checked the cables. I'm using the cx3400 crossover from behringer

12th January 2004, 09:57 PM	#3
Bull diyAudio Member Join Date: Oct 2002 Location: ...........	reply Is the pop only when u turn it on,or is it constant?? Because remember to avoid pops,clicks and thumps through the speakers,turn on in this order. Remember D.O.R.A when swtiching on: 1st on Desk/mixer and sources such as Turntables and CD players 2nd Outboard gear[Graphic Eqs,Compressor/Limiters,FX units] 3rd Recording gear [tape machines,minidisc,etc] 4th Amps Remember A.R.O,D. when switching off: 1st Amps 2nd Recording gear 3rd Outboard gear 4th Desk/mixer So this method will stop pops,clicks and thumps from going through the speakers--possibly damaging them. As Live is having a problem with a 'funny' tone coming out the speakers it's more likely to be a switch or filtering problem with the active x over.

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12th January 2004, 07:59 PM	#2
dokter dB diyAudio Member Join Date: Dec 2003 Location: netherlands	switches on the back/front are not giving good/clean contact... ive heard that if one of the scaling switches are dirty/not connecting very well, it gives oscillation in the filtersection......

13th January 2004, 04:59 PM	#4
Live diyAudio Member Join Date: Jan 2004 Location: antwerp	I always use the same methodas you say (Bull). Do you think its the crossover? Because its brandnew and the cables too so, And from the first time I used it , I'm having this problem. could it be the cables that give it bad connection or is it internal? tnx for your time

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