Studiomaster described the
Studiofex as "a fully modular studio effects system which brings together
both the features and the performance which today's music demands" The
system comprises of a 4U high, 12 slot "Mother" unit housing a PSU in one
slot and 11 additional positions for modules of your choice. Audio signals
are "normalled" from left to right but may be over-patched by 1/4" jacks
inserted into the sockets on the rear of the unit. I have four racks of
these (I got carried away I know) including one rack full of SF800 Stereo
Gates...
Click on the module names for pdf copies of their respective
user manuals: