Overkill tube pre/EQ called Drive-1. Maintenance update.

[craig]

Whats the purpose of the last relay after C12?

 

[gyraf]

I don't see a relay after c12? http://www.michaelkingston.fi/files/Drive-1_schematic_rev2.1.pdf

 

[craig]

Not on the schematics but on the early board revision. What function does that serve?