www.megadrum.info

i have found 4051 ic by name of tis
HCF4051BE

Data Sheet it is an analogue multiplexer and de-multimplexer.

http://www.datasheetarchive.com/pdf-dat ... AP0014.pdf

So can use this with megadrum. Iam using dmitri's schematic for analugue board.

Of course you can.

I found them extremely cheap so i was confirming are they correct type 4051 c.