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Bastl Softpop SP2 Upgrade Manual

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SP2 digital VCO upgrade
SP2 has officially leveled up. This free firmware update unlocks enhanced MIDI control, MIDI CC implementation,
new CV and GATE output modes, and a bunch of quality-of-life improvements. But the real big news is that the
original analog oscillator (bless its pitch-drifting soul) has gone digital. That means vastly improved tuning precision
and stability and 8 new variable waveforms to explore and run through SP2's rich and unruly analog filter and VCA.
This update requires moving a jumper on the SP2 circuit board before uploading the new firmware. See the firmware
update instructions below.
This manual covers the differences between the analog VCO firmware v1.2 and the digital VCO firmware v1.0. For
full feature functionality, please see the digital VCO reference manual: here.
New features of SP2 digital VCO version 1:
1.
Digital VCO
2.
Fine-tune fader mode
3.
ENV G and SLIDE G trigger/gate modes
4.
Envelope gate probability as FX8
5.
Triggered pitch change mode
6.
VCO Pitch Limiter
7.
CV pitch tracking mode
8.
MIDI clock detection
9.
FX controlled by MIDI notes
10. Envelope triggered by Note On mode
11. MIDI CC implementation
12. MIDI transpose
13. Improvements and bug fixes
New Button Combos:
SLIDE + MIDI + GATES = select waveform
SLIDE + FINE-TUNE = set waveshape
PATTERN + MIDI = toggle Triggered pitch mode
MIDI + TRIG = toggle Trigger Envelope at Note On mode
TRIG + SLIDE = toggle SLIDE G trigger/gate mode
TRIG + PATTERN = toggle ENV G trigger/gate mode
Hold SCALE at power up = toggle VCO Pitch Limiter mode
Hold PATTERN at power up = toggle CV Pitch tracking mode
Hold SLIDE at power up = toggle FINE-TUNE fader function
Hold PLAY + TEMPO + TRIG at power up = factory reset
Hold SCALE + SLIDE at power up = calibration and test mode
Hold MIDI at power up = firmware update mode

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Summary of Contents for Bastl Softpop SP2

  • Page 1 SP2 digital VCO upgrade SP2 has officially leveled up. This free firmware update unlocks enhanced MIDI control, MIDI CC implementation, new CV and GATE output modes, and a bunch of quality-of-life improvements. But the real big news is that the original analog oscillator (bless its pitch-drifting soul) has gone digital.
  • Page 2 1. Digital VCO Note: The new waveforms are output from the TRI jack. To hear these new waveforms most clearly, it is best to patch TRI out to FILTER IN to override the normalization of PULSE to FILTER IN. Note: SLIDE+MIDI no longer accesses the automatic tuning feature because it is not necessary for the digital VCO. SLIDE + MIDI + GATES = select waveform To select a WAVEFORM, hold both the SLIDE and MIDI buttons and press one of the GATE buttons.
  • Page 4 2. FINE-TUNE fader mode Hold SLIDE at power up = toggle FINE-TUNE fader function The default FINE-TUNE fader function can be altered, so that the WAVESHAPE is the default function, and the FINE-TUNE function is only accessed by holding the SLIDE button. To change the default function of the FINE-TUNE fader, hold the SLIDE button while powering up the unit.

  • Page 5: Midi Implementation

    7. CV pitch tracking mode Hold PATTERN at power up = toggle CV Pitch tracking mode The CV output can now output the exact voltage that represents the pitch of the SP2 oscillator (including slides) = CV TRACK mode. The original CV SEQ mode is still available. In the CV SEQ, the CV only outputs voltages from the sequencer –...
  • Page 6 12. MIDI transpose MIDI notes on channel 16 will transpose anything happening on the SP2. The MIDI transpose adds together with the transpose CV input. Note C2 (note 36) means no transpose. Notes above C2 are positive transpose in semitones (note 37= +1 semitone) and below C2 is negative transpose (note 35 = -1 semitone).

  • Page 7: Installing The Update

    Installing the update: A video manual of the update is available at our YouTube channel. Step 1: Flip the jumper Take a Phillips screwdriver and undo the backplate of your Softpop. Before removing the back plate, secure the side panels in place with tape. Reassembling the case after the upgrade will be much easier. Inside you will find a jumper marked VCO with ANALOG and DIGITAL positions.
  • Page 8 Firmware upload troubleshooting In case the SP2 does not boot to normal operation, get back to bootloader mode and check the following: ● Check that you have set the jumper on the circuit board to the correct position - i.e., that you have bridged the middle and right pins (DIGITAL).