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Re: Strange Things that Happen!!!



On 9/24/2022 7:35 PM, Bob La Londe wrote:
> On 9/24/2022 9:49 AM, ABLE1 wrote:
>> Hey All,
>>
>> I don't know if anyone here (other than me) does work
>> on School Sound PA System.  Recently I had to add
>> six(6) Modular Class Room Speakers to the School System.
>>
>> Pulled the speaker cables (22/4 Shielded) from the office
>> system to each of the classrooms.  This all happened before
>> school started 4 weeks ago.  I was just informed that the
>> one room M-105 there was noise of some kind on the Listen.
>>
>> If you don't know. When the Listen Button is pressed you can hear
>> what the teacher is saying and then when you press the Talk
>> Button the teacher can hear what you are saying.  Similar to
>> a basic Intercom System.
>>
>> Well the sound is a Tikity Tikity Tikity in the background.
>> To make a long story shorter.  I think I figured it out today
>> that when I made a splice on the wires I left a 4-5" tail and
>> beanie spliced each wire and then folded the wire inside a
>> metal 4"x4" box with metal cover.  In the same closet there
>> is a Security Panel, Fire Panel, and some IT Network Data
>> Switching.  The Data Switch has a Cooling Fan and it is making
>> a noise of sorts.
>>
>> What I ended up doing was to take some Tin Foil and wrapped up
>> the spliced wires and stuffed it back into the box. I know it is
>> early but the Tikity Tikity Tikity has gone away.
>>
>> At least to MY EARS!!
>>
>> I am thinking that the fan or something was putting out some RF Noise!!
>> And the wire tails were picking it up and amplifying it to the office.
>> Adding the Tin Foil has blocked the noise and hopefully fixed the issue.
>>
>> I will know more when staff gets in on Monday...................
>>
>> Hope you enjoyed the read!!!
>>
>> Les
>>
>
>
> So inclusion a tin foil may actually stop the voices.

LOL

Only if the foil is placed properly in the hearing canal!!





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