Bastl Instruments 1983
The 1983 is a polyphonic MIDI to CV interface with creative voice allocation and automatic tuning capabilities.
Everything in tune & responding to MIDI notes correctly
Four channels of CV and GATE outputs can be configured in various Layouts, such as hybrid splits between monophonic and polyphonic voices or velocity, Control Change, aftertouch, triggers, clock or reset.
Each channel can LISTEN to simple waveforms from the oscillators, and with a single press of the TUNE button, the 1983 maps the response of each connected oscillator across all seven octaves. This way, it ensures everything is in tune and with each other and that it responds to the MIDI notes correctly ( A4 = 440 Hz, etc.). PURE MAGIC!
The TRANSPOSE jack shifts the outputs by semitones, fifths, or octaves and the PORTAMENTO jack sets the glide time by CV.
The 1983 always stores the notes played in a legato sequence in a buffer, and the WINDOW jack allows for selecting which of these notes appear at the outputs.
When the UPDATE jack is used, it forces the outputs to update only when a trigger is detected.
This way, you can use a MIDI keyboard as an input interface for harmonies and note sets that are further creatively processed with triggers and CV in the modular environment.
The quad Quantizer mode on the 1983 converts input voltages into semitones of scales defined either by playing notes into the MIDI input or by the buttons in the menu. This allows the 1983 to be used tuning correction device (quantizer) without the necessity or using MIDI.
Default tuning is A = 440Hz in equal temperament, but alternative tuning systems are possible with the µTune feature. It allows working with custom detuning of each semitone in the octave and, therefore, working with just intonation and alternative tuning systems.
The 1983 has 4 channels of CV and GATE, and these Outputs can be configured into several different LAYOUTS:
3-voice polyphony + 1-voice monophony
2 monophonic voices with velocity
1 complex monophonic voice
4 monophonic voices
4 gates with velocity
8 CC channels
4 channels of CV and GATE
LISTEN input per channel for automatic tuning
automatic tuning by a single press of a button (offset & scaling correction)
several tuning systems (equal temperament, just intonation, A = 440/432 Hz, etc.)
LAYOUT selection (4 voice, 3+1 voice, 2 velocity voice, 4×1 voice, 1 voice, 8 gates, 8 CCs, 4 triggers + velocity, quantizer)
each layout can map outputs of Channel D to MIDI Clock (adjustable divider) and Reset
LEARN mode to assign MIDI channel and other properties
UPDATE jack to quantize outputs to clock or trigger sequences
WINDOW jack to creatively allocate notes in the buffer to available voices
TRANSPOSE CV to shift outputs by semitones, fifths, or octaves
PORTAMENTO CV to adjust glide time
responds to MIDI Note On & Off, CC (also Sustain), Velocity, Pitch Bend, Clock, Aftertouch
µTune scale editing per each semitone in octave
PTC fuse and diode protected 10 pin power connector
power consumption +12: < 60mA, -12: <20 mA
Ships in 1–2 days
- Manufacturer's warranty
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Manufacturer Bastl Instruments
Utility, I/O Interface, Clock