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Connections............................................................................................................................... 1
Signal Path and Switching.......................................................................................................... 2
Mixer......................................................................................................................................... 2
Parallel Loops.............................................................................................................................................2
Trails/Carry Over........................................................................................................................................3
Volume Control.......................................................................................................................... 3
Controlling the Device................................................................................................................ 3
Loop Order.................................................................................................................................................3
Loop Volume..............................................................................................................................................4
Loop Volume Position................................................................................................................................4
Mixer..........................................................................................................................................................5
Post Volume...............................................................................................................................................5
Locking the Buttons................................................................................................................... 5
Presets....................................................................................................................................... 5
MIDI Control.............................................................................................................................. 6
Setting the MIDI Channel...........................................................................................................................6
MIDI Commands for Controlling the Loops................................................................................................6
MIDI Command for Setting the Loop Order...............................................................................................6
MIDI Command to Swap Loops..................................................................................................................6
MIDI Command for Volume.......................................................................................................................7
MIDI Command for Loop Volume Position.................................................................................................7
MIDI Command for Mixer Trails.................................................................................................................7
MIDI Command for Mixer Parallel Clean Blend..........................................................................................7
MIDI Command for Mixer Parallel Loops...................................................................................................7

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Summary of Contents for OSCILLATOR DEVICES HYDRA4X

  • Page 1: Table Of Contents

    Connections..........................1 Signal Path and Switching......................2 Mixer............................2 Parallel Loops.............................2 Trails/Carry Over............................3 Volume Control.......................... 3 Controlling the Device........................ 3 Loop Order..............................3 Loop Volume..............................4 Loop Volume Position..........................4 Mixer................................5 Post Volume...............................5 Locking the Buttons........................5 Presets............................5 MIDI Control..........................6 Setting the MIDI Channel...........................6 MIDI Commands for Controlling the Loops....................6 MIDI Command for Setting the Loop Order....................6 MIDI Command to Swap Loops........................6...
  • Page 2: Connections

    The four loops are buffered with high quality, low noise buffers. The order of the effects can be chosen freely, either manually or with MIDI commands. The HYDRA4X contains two volume control blocks. One is fixed at the very end and a second one can either be at the very beginning, or can be assigned to any loop.
  • Page 3: Signal Path And Switching

    The heart of the HYDRA4X is a switch matrix that connects the in and output to the four loops, the volume loop and the mixer. All inputs and outputs are buffered with high quality, low noise buffers. That means that all returns can be used as inputs and all sends can be used as outputs.
  • Page 4: Trails/Carry Over

    The HYDRA4X has two volume controls. The Post Volume block is fixed at the very end. The Loop Volume block can be moved at any position. It’s either right behind the input before any of the loops, or it is tied to front or back of one of the loops.
  • Page 5: Loop Volume

    Loop Volume tied to Blue Loop Loop Volume tied to Yellow Loop When you’re done setting up the position, press the white button (labeled Back), to leave volume position setting. Oscillator Devices – HYDRA4X 1.0.0 – User Manual Jan 29, 2025...
  • Page 6: Mixer

    To unlock the buttons, restart the HYDRA4X and do the same procedure as when locking the buttons. Be aware that this only works with a freshly restarted device, without any other buttons pressed. Also, there is no visual feedback.
  • Page 7: Midi Control

    4. Once the desired channel is set, press and hold the white button until the LED stops flashing. 5. Disconnect the supply voltage. The next time the HYDRA4X is started, it reacts to the selected MIDI channel. To put the HYDRA4X in omni mode skip step 3.
  • Page 8: Midi Command For Volume

    Green || Red + Blue + Yellow Green || Red + Yellow Blue || Red + Green + Yellow Green || Blue + Yellow Yellow || Red + Green + Blue Oscillator Devices – HYDRA4X 1.0.0 – User Manual Jan 29, 2025...

Table of Contents