Chuck Guzis wrote:
...and the best ones are the ones that have vacuum
tubes sticking out of
the top and are connected with gold-plated litz wire... :)
Have you priced Litz wire lately? I don't see any gold plated stuff.
http://www.schmarder.com/radios/sale/wire.htm
I suspect the analog parts could be done as surface mount parts
as well as a CPLD or FPGA on a small PCB.
--Chuck