Schematics for the project can be found here...
NV73EQ B182 schematic
NV73EQ BA205 schematic
NV73EQ BA211 schematic
NV73EQ BA284g schematic
NV73EQ BA284h schematic
NV73 schematic
Or you can also reference the original vintage schematic here:
schematic
Class A mic pre
DIY kit
Blue face FET compressor
DIY kit
5 band fully parametric EQ
DIY kit