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VHF Radio speaker noise
I just installed a new Uniden UM625c VHF radio. Even after I set the squelch to stop background noise, there remains a slight amount of noise coming from the speaker.
This seems wrong. The older VHF radios I have owned have not done this; the speaker was completely quiet when the squelch was set above the background noise level, unless there was a transmission.
The old VHF radio that I replaced did not have any speaker noise like this, and I am using the same antenna and power connections. The only thing different about the installation is that it was easier to leave the old in-line fuse in so I have two in-line fuses, but I don't think that could explain the noise.
What could be causing this low level of speaker noise, even when the squelch is set above the background noise level?
Last edited by stipakb; 09-17-2009 at 08:01 AM.
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