The Schoeps RS 420 Cg is a gooseneck used directly between capsules and amplifiers of the Colette series. For mounting in a table top, the AF 1 flange (not included) offers good isolation from solid-borne noise. Mounting is generally quite straightforward and simple.
A CUT 1 or CUT 2 variable low-cut filter can be used on the amplifier – though the filter does not fit into the AF 1, so it would have to “ride“ above the table top.
Two AF 1 flanged mounting adapters should be used for stability, one above the other, with both holding the microphone amplifier (e.g. CMC).