i think there might be more than one version of the TMC-6, then.
the manual says that pretty much all the inputs support head/rim (and
the funky hi-hat thing makes for more on that input).
on mine however, the kick input does ∗not∗ have a head/rim combo
thing, but the other inputs do.
>The TMC-6 is in fact a "7" input not an "11". Only channel 2 has
>the setup for the head-rim combo. :-(