[R-390] Line Level meter

[William A Kulze]

For what it's worth, some years ago I stumbled upon an old VU meter from some other application and it worked just fine as a direct replacement. I didn't do any measurements, but it seemed to do just fine.

Bill W2NVD


Having solved the mystery of the 3rd wire...one of my sub-projects is
figuring out the dropping resistor to use with a physically-correct 1mA
meter movement [matches the 390 meters but it's just a 1mA DC meter, no
internal rectifier/cap like a true VU meter] and a bridge rectifier to make
a Line Level VU meter .

Thanks,
Brian KA9EGW

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