We offer highend Audio parts, knobs and custom trafos and front panels mostly for professional audio gear. Our product line includes original Daka-Ware knobs for Pultecs or Collins radios, toroidal trafos, custom inductors, Elma rotary switches and more. We also sell our well known custom manufactured trafo shielding sheet for correcting hum issues within power toroidal trafos http://www.don-audio.com