Vacuum Tube distortion module!
Alternate panel black and silver
10hp instead of 11hp, fits the original pcb by GMSN.
https://gmsn.co.uk/product/look-mum-no-computer-safety-valve
All the panels here:
http://store.modularparts.net/
https://gmsn.co.uk/product/look-mum-no-computer-safety-valve
Available as an assembled Module and as a DIY project.
This Module is currently available.
$150