Launching on Kickstarter, the MDFX Delay and Reverb pair brings dedicated Reverse and Freeze buttons, auto-BPM detection and USB audio recording to the booth.
MDFX has launched two dedicated processors: a BPM-synced tape delay and a plate reverb, both built for live DJ use. The pair hit Kickstarter on 1 July and sit alongside the existing MDFX ISO3 and HPF/LPF in the same compact form factor, with magnetic snap mounting that attaches to the side of any mixer without drilling or rack space.
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Both units run their algorithms at 96 kHz / 32-bit – the delay using a tape simulation with adjustable wow, flutter, saturation and dropouts, the reverb running a dense plate algorithm with shimmer, damping and BPM-syncable tremolo. Auto-BPM detection reads tempo directly from the incoming audio, displayed on a large round readout legible from across the booth.
The controls are surface-level so they’re suitable for live use. The delay has dedicated Reverse and Freeze buttons for transitions, with eight musical subdivisions from 1/8 to 4/1 and a single knob that sweeps tape character from clean digital to warped 70s saturation. The reverb’s Freeze button holds a tail mid-air for build-ups and blends, while Shimmer feeds an octave-pitched signal back into the reverb tail to build slow pad textures under a breakdown. Both units include adaptive ducking, which pulls the wet signal back while the music is playing and lets it bloom in the gaps.
Deeper parameters – filter routing, stereo spread and pitch on the delay; hi-pass, lo-fi character and tremolo depth on the reverb – sit in a secondary menu.
Each unit also includes a class-compliant USB audio interface at 48 kHz / 32-bit, switchable between the dry mix and the wet effected signal, and works driverless with iOS, Mac and Windows. Full MIDI over USB means every parameter is automatable from a DAW. The units connect to any mixer via master insert or send/return and are USB-C powered.
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