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E7 intercom

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matty86

Post subject: E7 intercom

Posted: Tue Jun 22, 2021 5:56 pm

Joined: Fri Feb 21, 2014 8:53 pm
Posts: 317

Has anybody had crackling through the front speakers when the intercom is on? The intercom still works but theirs a crackling which get a a bit annoying at times. Anybody know what causes that and how to fix.

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Chris the Fish

Post subject: Re: E7 intercom

Posted: Tue Jun 22, 2021 10:17 pm

Joined: Sun Jan 28, 2007 8:58 pm
Posts: 3490
Location: Plymouth

Don't see this as an E7 thing, could be the same on any intercom.

I would think it would be worth looking at any solder joints, especially on the speaker and microphones. Touch with a hot solder iron can cure this.

Also, if a jack plug goes into the amplifier, cleaning the jack plug (use electrical contact cleaner maybe) can help.

Crackling is often a slightly bad contact somewhere in the system, problem is, finding where.

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Chris The Fish

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matty86

Post subject: Re: E7 intercom

Posted: Sat Jun 26, 2021 12:43 am

Joined: Fri Feb 21, 2014 8:53 pm
Posts: 317

Thanks thought it might be something like that. Sounds a nightmare to find

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