On our enduring research on revealing all details from vinyl records not only mechanical parameters are of importance. Even more, electrical parameters come into focus when having reached a high level of mechanical perfection…for ways of bettering the situation on the electrical side, we had an ultimate power supply on our mind some years ago. Based on batteries – providing seamless battery power at all time – we developped a device to market. However, after a short period of offering, we decided to discontinue the production because of several reasons.
http://www.feickert.org/index.php?id=26&L=1 for details.
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