Thank you for reply John
I figured you mean ratios of 1:10 and 1:20?
I agree. I use AT OC-9ML Mk II and Carnegie I, both around .25mV, and Denon DL-S1 and DL304, around .17mV. I'm just confused as to how exactly to wire the switches, be it a toggle or a rotary. For example, rotaries come with two, or four or more poles, they have two or up to ten decks... And if a toggle, how many layers do I need? Confusing
I guess I'm a bit thick.