November 2011
I've built this passive audio mixer that I really like. The only problem is that anything going through it sounds like it's in a stream of water. Lots of white noise.
After the mixer, it goes into the line level input of an old Teac audio cassette machine. Anything plugged into the cassette machine without going through the little mixer sounds great. The signal to noise is great. Very little white noise is present. What type of pre-amp do I need on each input to et the signal up high enough to override the white noise that my passive mixer generates?
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