Text Box: And here is the completed board with the channel switching relay. All the connections to the controls are made with shielded wire to reduce noise from this high-gain amp. I don’t notice any significant effect on high end later. Text Box: WEBER HALLE Text Box: Finally, here it is sitting atop my friend, Tom’s, Marshall cabinet, where it has been living happily for quite some time. Tom’s happy to have boutique tone for the cost of the parts, and I’m just happy it works. :-)