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by chris9691
Wed Dec 09, 2015 7:41 pm
Forum: 9Xtreme upgrade board
Topic: speaker hiss
Replies: 346
Views: 154868

Re: speaker hiss

Hi all heres a fix that may solve the problem. The problem seems to be RF noise from either the transmitter or rf generated by the 9 xtreem board itself. Try getting a small FR choke with a internal diameter big enough to pass the speaker plug through, loop the speaker cable through the RF ckoke onc...

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