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Keeley HYDRA User Manual

Keeley HYDRA
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12
TREMOLO MODE
RATE - Sets the rate of the Tremolo
DEPTH - Sets maximum amount of volume reduction
of the Tremolo
TREMOLO FOOTSWITCH - Turns the Tremolo on and off
REVERB MODE
DWELL - Sets the length of the Reverb trail
COLOR - Sets the tone of the Reverb trail
(Can also be pressed and held to access alt controls)
MIXER - Sets the level of the Reverb
REVERB FOOTSWITCH - Turns the Reverb on and off
MINI TOGGLE - Selects between Spring, Plate, and
Room Reverb Types
(Hold COLOR knob and use Mini-Toggle to select
Sine, Harmonic, or Vibrato Tremolo)
ALT CONTROLS
Hold the COLOR knob down while adjusting
RATE, DEPTH, DWELL, and MIXER knobs
to engage the
TREM SYNC, TREM LEVEL, WET/DRY, and REVERB
MODIFIER controls, respectively.
PRESETS
SELECT PRESET - Double-tap TREMOLO footswitch,
then tap REVERB footswitch to cycle through presets.
Tap TREMOLO footswitch again to select chosen preset.
SAVE PRESET - Once changes to the control knobs
have been made (including alt. controls), double tap the
TREMOLO footswitch or press the COLOR knob. Cycle
to the desired preset location with
the REVERB footswitch, then hold the TREMOLO
footswitch to save your changes.
INFINITE HOLD
When Reverb is engaged, hold the REVERB footswitch
to enter Infinite Hold mode. Release to exit IH.
TRAILS
Press and hold the TREMOLO and REVERB
footswitches for 2 seconds.
TREMOLO TAP TEMPO
Press and hold the TREMOLO footswitch for 1 second.
Tap TREMOLO footswitch 2-3 times to set tempo.
HYDRA QUICK START GUIDE
Jump right in to the HYDRA Stereo Reverb & Tremolo
FOR MORE INFORMATION, VISIT RKFX.COM

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Keeley HYDRA Specifications

General IconGeneral
Stereo Input/OutputYes
Expression Pedal InputYes
Power Supply9V DC, center negative
BypassTrue Bypass
Weight1 lb
TypeStereo Reverb and Tremolo
Reverb ModesSpring, Plate
Tremolo ModesHarmonic, Vibrato, Sine
Presets3

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