my rotary knob works like crap, there is a mechanical glitch in the axle, when turning right to tune up the volume it wold rather 'jump' up and down or do nothin at all... is there any chance that the knob are avaiable in sweden ie. at 'Farnell' or 'ELFA'? if not whats the retail? anyone got a spare or working used one? pm me! //stefan