Test driving 4 open source music players and more
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.
Based on my investigation, I liked the looks of the Muffsy phono kits, so I ordered the head amplifier, the power supply, and the back panel. I also needed to obtain a case to hold the boards and the back panel, available online from many vendors. Muffsy does not sell the “wall wart” necessary to power the unit, so I ordered one of those from a supplier in California. Finally, inspecting my soldering iron, solder “sucker,” and solder, I’ve realized I need to do better—so a bit more shopping, online or local, is in order there. Finally, for those, like me, whose soldering skills may be rusty and perhaps were not all that great to begin with, Muffsy kindly offers links to two instructional videos.
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