Customisation Yaqin MC100B / KT88 Amplifier Upgrade

Customisation of the Yaqin MC100B: Review all soldering/cabling Replace KT88 capacitors by Audyn True Copper Max 1uf Replace volume potentiometer by Alps Black Beauty Fit 2 x HT delays Remove the front input RCA & front input 0.6v/0.25v selector Insert Green LEDs for HT Delays (in the front RCA holes) and a Red LED (for power) in the old selector hole Change all input voltage from 0.25v to 0.6v Fit your new ALPS Black Beauty potentiometer/shaft extender & capacitors Improve amp safety by improving the diode bridge rectifier