The DC regulator and rail splitter boards in the headphone amp enclosure. 12VDC to a 9V 7809 regulator to a dual TLE2426 rail splitter that outputs 4.2V to the V+ & V- rails. I flipped the RCA and power back panel after taking this photo, now the PWR jack is closer to the PWR switch.
“Point to point” construction on a coperless perfboard, Yes I’m a cheap bastard. I wanted to do a layered construction but tried a different approach using an isolated wire and 3 holes in the enclosure.
Next I’ll make and test the opamp section, still studying the crossfeed section for this headamp.