I have already changed the motor to a very high quality one (but this is very fiddly in view of differring screw positions and requires some alteration of the support structure for the motor. The motor is the same one as the top of the range teres the maxon RE, and costs about $2oo. The torque and smoothness and reduced vibration is far superior to the premotec by physically holding them in your hand whilst connected to a supply voltage. i have also completely upgraded the entire caps and resistors and diodes to a higher level. Adding the battery is very simple just put a second connector onto the back of the unit and add it onto the + and - of the power supply at the level of the filtering caps use thre appropriate voltage battery then. How does it sound - seriously no Joke completed all of this then had to put it into storage becasue of a temporary house move to a small place whilst my home is being rebuilt. Never had the chance to fully assess the differences and will not be able to do so until next summer. Sorry. Working on Lencos and an old Garrard at the moment.
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