cb radio amplifier
Hum Reduction on CB Radio to Computer Line-In?
I have a project where I’m taking two CB Radios, and taking a Y-Splitter and splicing them into one cord to LINE-IN on a computer. The computer has software that can split the RIGHT and LEFT audio channels back into separate CB channels to record the sound. What I have is a constant hum on the LEFT Audio channel, that happens no matter which one or both CB’s are plugged in. I’ve chalked this upto the default LINE-IN input not handling the power coming from the CB’s. The Software program suggests I get a better sound card or purchase a microphone pre-amplifier…where can I find the right device to purchase online, and what device would work perfectly for solving this hum issue?
Whenever you are combining two or more audio outputs to one or two (right and left) the best tool to do this and eliminate a lot of issues is a mixer. A small inexpensive mixer would work great for what you are doing.
Of course you would need the right cables to interface the CB’s to the mixer and the mixer to the computer. They should all be “off the shelf” cables.
Here is a great small mixer that would do the trick:
http://www.zzounds.com/item–BEHXENTX502
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