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Room is a reverb designed to dial in realistic room sounds from vocal booths to small halls. The controls allow for precision tweaking of early reflections, late reverb, and EQ. Room is the workhorse algorithm for placing a sound in a realistic space or adding that subtle fattening that isn’t immediately noticed but is always immediately missed.


H9 Control View - Click (+) for more info

Room Algorithm Controls
Mix [MIX]
wet/dry mixer, 100% is all wet signal
Decay [DECAY]
decay in seconds or note-based in Tempo Mode
Size [SIZE]
room size
PreDelay [PREDLY]
pre-delay in milliseconds or note-based in Tempo Mode
Low Band Shelving [LO-LVL]
post reverb shelving boost/cut of low frequencies with cut-off at 350 Hz
High Band Shelving [HI-LVL]
post reverb shelving boost/cut of high frequencies with cutoff at [HIFREQ]
Early/Late Reflection Levels [REFLEX]
Control the levels of the early and late reflections.
Diffusion [DFSION]
adjusts diffusion amount which affects reverb build up and tail density
Modulation Level [MODLVL]
adds random modulation of both diffusors and late reverb tail
High Band Cutoff Frequency [HIFREQ]
Control the corner frequency of [HI-LVL]. No affect if [HI-LVL] is set to 0.
Output Level
At 0 the output level is unaffected. Increase the output level of the effect by up to 20 dB or lower by 30 dB.
Tempo is turned ON/OFF on the H9 by simultaneously pressing the Right Footswitch and the PRESETS button. With Tempo OFF, tapping can be used to adjust delay parameter values (displayed as milliseconds or Hz). With Tempo ON, tempo is in BPM.
Turn effect on or off..
The Middle Footswitch can be programmed to act on the loaded Preset as a programmable controller allowing the user to switch between the normal Preset parameter values and a programmed, alternate set of parameter values. It’s like having two Presets in one.
If Tempo is ON, the display indicates the current tempo in BPM (30 to 500 BPM) while tapping and the Tap LED will blink at the BPM rate. If Tempo is OFF, the display indicates the parameter value (milliseconds for most algorithms).