The synth panel from Box Studio, playable. It is drawn from the same project file that builds the box, so what you play here is what you would cut.
press a key to start the sound
Play · click or touch the twelve keys, or use the keyboard: ASDFGH for the front row, QWERTY for the back row. Z and X move an octave.
Shape · drag the four faders for attack, decay, sustain and release, and the knobs for cutoff, resonance and volume (or focus one and use the arrow keys). The toggles switch saw or square, and hold.
MIDI · click the MIDI socket to play it from a keyboard. Click the output jack to mute.
Made at 100xbtr. Sound by the Web Audio API; nothing is uploaded.