Had a bit of a look in a few places about the protocol, am I right in understanding the only way to do it with actual cassettes would be to find an 8 channel ca

Had a bit of a look in a few places about the protocol, am I right in understanding the only way to do it with actual cassettes would be to find an 8 channel cassette recorder? Here's what I was reading http://www.illiop.org/workings.html http://www.illiop.org/workings.html [edited to say 8 channel to avoid confusion with 8 track]