The MDS-2 is a High Frequency Limiter which is often used as a De-Esser. It can also replace Acceleration Limiters for vinyl disk cutting.
MDS-2
MPL-2
The MPL-2 is a brick-wall and high frequency limiter. It can be used to achieve high subjective levels and reduce unwanted high frequency levels (de-essing).
MEA-2
Precision stereo equaliser.
MLA-4
Triband compressor/expander.
MTC-1X
Stereo Mastering Transfer Console