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Author Topic: Loud Buzzing From Speaker With 60 in 1 Jamma  (Read 3658 times)

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Darren01274

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Loud Buzzing From Speaker With 60 in 1 Jamma
« on: July 08, 2010, 07:07:13 am »
Hi got all th emachine fit up now a problem I have loud buzzing when I connect the 2 speakers wires to the arcade speaker? I am using an ATX power supply.
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Sjaak

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #1 on: July 08, 2010, 07:19:50 am »
Sounds like a vuvuzela ;)
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surface tension

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #2 on: July 08, 2010, 07:56:39 am »
There are a lot of 60-in-1 / Jamma problem threads with an orange space invader inside!

Maybe you should create one thread entitled 'Darren01274's 60-in-1/Jamma problem thread'?  :)
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #3 on: July 08, 2010, 08:01:35 am »
Well if it was like most forums you could remove your posts yourself when you want to! all others need to be removed. my cabinet is fit up now and just have one problem with speakers.
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Malenko

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #4 on: July 08, 2010, 08:09:19 am »
ground loop isolator
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #5 on: July 08, 2010, 08:25:36 am »
Thankyou nice genlteman :) lol. Please can all the posts be removed now
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Ginsu Victim

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #6 on: July 08, 2010, 08:32:42 am »
Quote from: Darren01274 on July 08, 2010, 08:25:36 am
Thankyou nice genlteman :) lol. Please can all the posts be removed now

No.

How will this thread help others who have the same problem if it's deleted?
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #7 on: July 08, 2010, 09:44:00 am »
Dam maplins didnt have a ground lopp isolator in! is there anything else I can do to take of the hum
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HaRuMaN

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #8 on: July 08, 2010, 09:55:04 am »
Create a hum 180 degrees out of phase with the original hum, the two will cancel out.
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #9 on: July 08, 2010, 09:58:13 am »
how do you do that
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HaRuMaN

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #10 on: July 08, 2010, 10:01:53 am »
Quote from: Darren01274 on July 08, 2010, 09:58:13 am
how do you do that

I was kidding.  Of course, it would work, but it would be way more trouble than it's worth.

What kind of speaker do you have hooked up?  Is it amplified? 
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #11 on: July 08, 2010, 10:04:09 am »
Arcade Speaker. Jamma connector and board. Jamma Speaker Wires to Arcade Speaker.
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HaRuMaN

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #12 on: July 08, 2010, 10:05:48 am »
Have you tried a computer speaker hooked up to the headphone jack on the board?  That's what I did on mine, no hum.
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #13 on: July 08, 2010, 10:07:27 am »
I tried headphones no hum or buzz just audio. what speakers would you recommend. And wouldnt PC Speakers need to be plugged in to mains if i used the line socket
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BobA

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #14 on: July 08, 2010, 10:36:50 am »
They are usually AC powered but some come with an adapter or  wall wart and these can be replaced by DC inside the cab if they are 12V.  If not 12V then not worth the work to replace a 9V with a regulator from the 12V supply.   The line power can be picked up at the same point as the AC for your arcade supply or PC supply depending on what you are using.
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Darren01274

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Re: Loud Buzzing From Speaker With 60 in 1 Jamma
« Reply #15 on: July 09, 2010, 06:24:22 am »
What speaker would you recommend ohms and power rating and somebody is giving me a new AT power supply would 85w psu be ok t use? Going to swap both psu and a new speaker and see what happens
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