aleph 3 amplifier diy built. few improvements bc 109 instead of mpsa. elna silmic capacitors 2 pairs of mosfets each module. 400 mv bias offset 6 mv. sound is lush with amazing midrange after get hot.old case from line amplifier 100 watts. custom heatsinks. new rca and binding posts. 2x25 volts 600 watts toroidal. run hot. demo for new owner. collection co155ru payment cash on pick up only please any questions please ask before purchase thanks