5U high x 1MU wide panel for the mounting two multiples and a single attenuator. The two sets of jack multiples can be linked by a toggle switch or,if enlarged, a jack socket with switching contacts. This panel has graduations for a 1" (25mm) knob
Potentiometer hole: 8.00mm
Jack socket holes: 9.50mm
Toggle Switch holes: 6.35mm
Cabinet rail holes: 5.00mm