I know that can occur with Moving Coil cartridges, but I hadn't realised that damage can occur with small trannies. Thank you for the warning! It makes it even more important now that I can get hold of the specs and the colour coding for the wires. Cheers mate!One thing David. Don't be tempted to try and measure the static resistance with a normal multimeter. SUTs are extremely sensitive and you can magnetise them by doing that, which will cause serious problems.