Blackhole can load as many as 127 presets via MIDI and they are also accessible in the preset list on the Eventide Device Manager (EDM). To sum it all up: when the echo is turned off, the signal is still buffered, and its level is still set by the “input volume” control (which can still cause hard clipping), but the coloration from the preamp emulation is disabled.Įventide Device Manager PC or Mac application for software updates, system settings and creating/saving presets.Catch-up mode helps dial in your sound when toggling between presets/parameters.Multiple Bypass options: Buffered, Relay, DSP+FX or Kill dry.MIDI capability over TRS (use with a MIDI to TRS cable or converter box) or USB.Use a single Aux switch to Tap Tempo or a triple Aux switch for easy preset changing (up/down/load).Map any combination of parameters to an Expression Pedal.Rear panel Guitar/Line Level switch for selecting use with guitar, synths, FX loop or DAW interface.Dual action Active Footswitch is latching or momentary.Tap the Freeze Footswitch to instantly ‘freeze’ your sound.Turn up Feedback to go beyond the event horizon.Use PreDelay to offset the onset of the reverb.Control the Size of your space from a cartoonishly small room to a limitless universe.Five presets loaded at your feet with dozens more available with Eventide Device Manager (EDM) software.Unlock a universe of sound-sculpting capability! With this magnitude of flexibility, Blackhole will take you on a journey from cathedral-esque spaces to a new frontier of aural experimentation. But when you turn off the RE-20′s echo, the “direct” signal is instead passed along with minimal filtering. Many folks don’t seem to realize this, since the volume control suggests that the preamp is always active, like it was on the original RE-201. So when the RE-20′s echo is turned off, the preamp emulation is turned off too.

But the engineers at Boss must also have realized that many modern players want their direct tone to be unaffected when a pedal bypassed. That faithfulness to the original is also the reason the RE-20 has such a gritty, tinny sounding reverb effect (whatever you think of it on its own, the reverb blends beautifully with the echo). Boss understandably wanted to recreate the tone of the original RE-201 unit, so the RE-20 pedal includes an emulation of the RE-201′s transistor preamp.

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