Blog

An inside look at assembling, modifying, and housing a pair of exceptional high-fidelity audio amplifiers — combining precision engineering, custom CNC chassis work, and high-end lateral MOSFETs … read more

Recently we have noticed many low cost "Toshiba" 2SK170BL and 2SJ74BL in the market. To identify whether they are genuine, the serious method is by putting them on a curve tracer. Otherwise, a reliab … read more