ASM Hydrasynth · Pixelquencer

Standalone Web MIDI page for the ASM Hydrasynth: keyboard, step sequencer, clock and the control changes from ASM's official MIDI NRPN and CC Communication Spec, Firmware v1.5 (MIDI CC mapping sorted by CC number). Chrome or Edge · HTTPS or localhost.

Channel setup

Keyboard

Octave

Velocity 100

Random note

Click or drag keys to play. Computer keys: A S D F G H J K L ; (white) and W E T Y U O P (black). Last played note can fill a sequencer step.

Sequencer

Tempo

Steps

Gate 60%

Random 0%

Other pages Sync with other pages

Sync with other pages: starting.

Click a step to toggle rest / note. Shift-click or use “Set from keyboard” after playing a key.

Last message: none

Source: ASM Hydrasynth MIDI NRPN and CC Communication Spec, Firmware v1.5 (MIDI CC mapping sorted by CC number) (Hydrasynth_KB_DR_MIDI_Spec_1.5.0.pdf, https://www.ashunsoundmachines.com/, SHA-1 72575327a897de340cb4fba8e91086013c304ce0), MIDI CC mapping sorted by CC number in the official Hydrasynth Keyboard and Desktop MIDI Spec 1.5.0, plus the opening Basic Information table (notes, pitch bend, aftertouch, clock). Owners Manual 2.2.0 (Hydrasynth_KB_DR_Owners_Manual_2.2.0.pdf, SHA-1 679853287a424f5de25894b93c739ca8325b7eb8) describes the panel. The official MIDI CC mapping does not print default values; sliders start at 0. This page covers the Keyboard and Desktop models, which share MIDI Spec 1.5.0.