The little dot mk III comes with a 100kohm Alps 16mm diameter Pot. From new I had some issues with this pot, sometimes when turning + or - the volume knob it was some noise (bad contact scratching inside the pot) and so I decided to change it.
At first I checked if a bigger pot would fit in the Little dot little mkIII chassis and enclosure, and the conclusion is that the maximun body diameter allowed to fit is 21mm diameter.
I found on ebay a DACT stepped pot 100K with 21 mm diameter from China ($12) and same kind of shaft. I'm posting the picture here. Very fine and good pot.
I will strongly suggest to change the original pot to an stepped pot 100K 21mm diameter, all the noise when moving the knob disappeared and the sound is more accurate and tigth.
The cables in the LD are very thin and you have to desolder and solder carefully because the length also is constrained (can't cut to shorten the cable). Of course you can make an entire new and strong cable, but this was not my goal.
There is only one grounding cable and you have to insert a little copper "bridge" between L and R ground on the new pot before soldering the cable. After soldering use a silicon hot glue gun to fill the place, this will add mechanical strength and galvanic isolation.
Edited by jdamico - 8/4/13 at 11:15am