No, no! That would break the bank. I've got a batch of these old fashioned switches, like they were used in radios or test gear:
Got them cheap on a local flea market.
I thought about 4066's and digital control, but decided against it.
Looking at your circuit that's exactly what I plan to do, not that there're many different ways of doing it
.
I want to use this for my HiFi setup at home - I'm sick of crawling behind the racks through dust, cables and cobb webs to change plugs.