McDSP Classic Pack HD v7 earthquaker Opto FETs are very similar

Opto FETs are very similar to Vactrols but use light depending field effect transistors (FETs) instead of light depending resistors (LDRs)

WEIGHT HEADPHONES WITHOUT CABLE

Gracing the front of the MZ-223 is an intuitive set of volume faders

the MAG FOUR Fader includes a force magnet tension adjust to tweak for the perfect feel

100% analog components

McDSP Classic Pack HD v7 earthquaker Opto FETs are very similarMcDSP Classic Pack HD v7. The McDSP Classic Pack HD v6 to Classic Pack HD v7 Upgrade Plug in Bundle offers enhanced versions of the renowned plug ins for owners of Classic Pack HD v6. This upgrade provides access to a suite of emulations of vintage equalizers, compressors, tape machines, and channel amplifiers with several new features and optimizations. Included Plug ins: FilterBank: Equalizer plug in CompressorBank: High end compressor plug in