The E-mu Systems Proteus 1 Pop/Rock is a sound module released in 1992 by E-mu Systems. It was the first in the Proteus line of sound modules and was designed to provide musicians with a wide range of high-quality sounds for use in pop, rock, and other...
The Modal Electronics Argon8m is an 8-voice polyphonic wavetable synthesizer that features a powerful oscillator, two independent multi-mode filters, four envelope generators, three LFOs, and a step sequencer. It also has a built-in arpeggiator, a modulation matrix, and a host of effects.
The E-mu Systems Proteus 2 Orchestral is a sound module designed for use in electronic music production. It is a rack-mounted device that contains a variety of orchestral sounds, including strings, brass, woodwinds, and percussion. The Proteus 2...
The Modal Electronics Cobalt8X is an 8-voice, polyphonic synthesizer with a full-featured, dual-filter architecture. It features four analog oscillators, two sub-oscillators, two digital oscillators, two digital effects, and a comprehensive modulation...
Basically System 10.1+ is System 10.1, placed in a larger enclosure which allows you to install modules of Eurorack format into hollow cells. The power bus integrated in the housing has standard Euororack power connectors. The power supply unit is taken outside the enclosure in order to minimize interference.