Conversion of mV to dB


Hello,
My phono premamp has gain values expressed in terms of mV. Is there a way to convert those values into dB? They are 0.3, 0.4, 0.6, 0.9, 1.4, 2.5, and 5 mV. Thank you.
actusreus

Showing 1 response by jeffreybehr

Jmcgrogan2, it's been many years since I played with LPs, fonocartridges, and fonostages, but I do recall something about 5cm/s (centimeters per second) and 3.54cm/s...being that they're the same!

5cm/s is the standard horizontal groove modulation for a mono signal, and 3.54cm/s is THE SAME goove modulation measured perpendicular to the groove wall and then expressed as a stereo signal, PER CHANNEL.

...I think.
.