New more compact ver2 PCB to make Rob Squires Passive Monitor Controller easily. Click on image below to read PDF article.
On this PCB mode control layout is MONO, STEREO, REV. R1 is 4K7 4 resitor SIL pack or 4 seperate 4k7 resistors
Passive Monitor Controller PCB ver 2 size is 86.9mm (3.42") x 36.9mm (1.34")
3 switches are spaced 30.48mm (1.2") appart centre to centre of the switch next to it.
Our TASCAM / IDC to XLR / TRS IN & OUT PCB & STEREO IO PCB can be used with this pcb as well.
Parts list to build PCB
3 x Alpha 3 position 4 pole rotary switches.
2 x 10pin header without frame
2 x 10pin IDC header with frame
1 x 26piin IDC header with frame
1 x 4k7 4 resistor SIL or 4 x 4k7 resistors
1 x Dual 10k log pot