TPX2: Two Octaves 422 Keys Microtonal MIDI Keyboard Controller
tuning
default JND master tuning = 205ET
32 full range programmable tunings with Tonal Plexus Editor software
general MIDI compatibility — Compatibility Charts
selectable MIDI pitch bend resolution: std = 1.56 cents (7-bit), high = 0.01 cents (14-bit)
top panel
four faders: control channel panning, channel modulation, channel volume and key velocity
jog dial: select and enter preset program parameters
two octave switches: up and down
2 x 20 LCD character display: currently selected preset, tuning, bank, patch, and polyphony
sixteen channel switches: selectable MIDI output channel polyphony, from 1 to 16 voices
sixteen patch buttons: store and recall synthesizer banks and patches
sixteen tuning table buttons: store and recall tuning tables
switches for sustain pedal polarity, pedal input direction, MIDI pitch bend resolution and local control on/off
side panel
power: 12V DC international transformer input
MIDI IN / program: connect to computer or external controller (used with local control off for external control or to upload tunings)
MIDI OUT (tuned): connect to any general MIDI tone module or sampler for tuned output
sends the following MIDI data on selected channels
bank select, patch change, pitch bend range RPNs, selectable 7-bit / 14-bit pitch bend
note on / note off (one note per channel = monotimbral up to 16 voice polyphony)
panning, modulation, MIDI volume and MIDI key velocity (controlled by top-panel faders or external pedals)
MIDI THRU (out untuned): connect to computer or external module for untuned output and external control (used with local control off)
SUSTAIN: connect a damper pedal to this 1/4” mono jack to control MIDI sustain
pedals VELOCITY, VOLUME: connect Lo-Z (25K) mono volume pedals to these 1/4” jacks to control MIDI key velocity and MIDI volume (pedals override top panel faders)
TPXE Tonal Plexus Editor software
cross-platform compatibility (Mac OSX and Windows XP)
intuitive user interface
tunings formatted as text files
import Scala files
upload tunings via the keyboard MIDI in port
