Eventide Blackhole Effectpedal

This pedal I use for analog synthesizers/drones. Some handy overlays indicate the various settings for presets such as Pulsar, Singularity, Nebula, Dark Matter, and of course Black Hole. All those names indeed do suggest what they seem. On more than one occasion I needed to throttle back the Mix and the Feedback knobs in order not to overdo some effects. Even at 50% they come out strong. The reverb is not the typical vintage raw hall style but rather nuanced like somewhat outerworld outerspace. The input is with a stereo TRS jack instead of two mono TS jacks which require clumsy fiddling with spiltter cables. With a special little knob the secondary functions can be set. But then in order to get the primary settings done, push that knob again and move a bit one of the knobs (Mix, for example) to get the whole thing settled. It's an undocumented feature, I guess. Minus point is that when the Mix knob is beyond 12 o'clock, when no sound is passed through, a hum is notiiceable. Other than that, it is a powerful pedal that works great on a snth.