Test driving 4 open source music players and more

Full Article :

Opensource.com - https://opensource.com/article/18/3/phono-preamplifier-project

In my last article, I described my latest music problem: I need an additional stage of amplification to make proper use of my new phono cartridge. While my pre-amplifier contains a phono stage, its gain is only suitable for cartridges that output about 5mV, whereas my new cartridge has a nominal output of 0.4mV.

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