This page contains hi-res pictures of the build process. More will be added while build continues ...
shared by Björn Verbruggen and me.
for more details click on the picture, please respect the copyright - please ask before share on other websites, for private usage only.
Unpopulated PCB Pictures
(download the picture and open it local)
You should bridge the connections for the choke, and reverse the dc in connector. (notice this is another connector, not the one stated in the BOM)
Notice the LM301 is soldered directly to the pcb. However you should use IC sockets.
There are 2 things to keep in mind:
- The BC558B needs to be mounted backwards (flat side of the transistor faces round side of the pcb print):
- You have to swap 2 pins of the 3958 - use insulation: