value can be between 40-50 mA bias current. potentiometer circuit upfront with it, but I did my ear again setting potentiometer at the point I left the clean sound. though it has the same tone knob at every point, but I left it in the middle value of b. have detailed information here. TR6 and TR7 2SJ162 2SK1058 circuit used IRFP240 IRFP9240 was used instead of
150Watt Mosfet Amplifier Circuit Schematic
Audio Spectrum Analyzer Circuit
CD40XX integrated spectrum analyzer circuit based on the LM3914 display driver and used a total of 100 projects have two versions of Led pcb, diagrams, etc. The frequency list. There are all the files.
Spectrum Analyzer Circuit test