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BASTL Instruments | bitRanger


The bitRanger is a patchable analog logic computer which sculpts sonic worlds ranging from data noise to melodic arpeggios. While being a handheld standalone synth it is also right at home in the music studio. Extensive connectivity makes it so flexible that it can connect to almost anything: CV control its unique sound, sync it with drum machines and sequencers or use it as an algorithmic CV / GATE pattern generator.

The patchbay of the bitRanger is a place for exploration where you can simply connect outputs to inputs to see what happens. This can be done methodically or with complete experimental abandon. Battery Power and a built in speaker make the bitRanger totally portable. Tweak it’s 4 knobs, 8 switches and more than 100 patch points.


- LFO clock oscillator for rhytmical modulation
- VCO oscillator is synced to the HFO oscillator
- 4 modes of operation selectable by 2 switches
- built in speaker with volume control
- 9V DC center positive power supply input
- 9V battery compartment from the bottom
- <20mA power draw on headphones, <60mA with speaker (minimum 20 hours on battery)
- On /Off switch
- expansion connector
- package includes 3 photo resistors – make your oscillators respond to light by plugging these into the Bend socket


- 118 jumper cable patch points
- each oscillator has 3 differently slewed CV inputs, sync inputs, rate knob and bend points
- Divider Bits section – use clocks at different speed to create patterns
- Adventure Bits section adds irregular rhytmical elements
- MUX 1 and MUX 2 input sections to modulate data loops and waveforms
- stereophonic output from MUX 1 and MUX2 sections
- BYTE CV section is R2R DAC converter which takes bits and converts them to CV
- DATA modulation section witch a switch adds more flavour
- Utility Belt section adds advanced features
- Left and Right audio override section


- 3.5mm stereophonic headphone output
- Clock Input to sync the LFO oscillator
- Clock Output with selectable LFO division (2 or 32)
- CV Output from the BYTE DAC section
- CV Input for the VCO
- CV In and CV Out connectors can be routed to dedicated patch points on the patchbay
BrandBASTL Instruments
Engine TypeModular (Semi)
Voices (max)1
LFO1 Square
Engine Detailed2 VCO Square, Triangle
Key typeN/A
AudioMono out
CV-gateCV I-O
Extra infoDIY
Legend: Obvious Y: Yes, N: No, N/A: Not Applicable
VCO Voltage Controlled Oscillator DCO Digital Controlled Oscillator
LFO Low Frequency Oscillator Sub Sub Oscillator
VCF Voltage Controlled Filter VCA Voltage Controlled Amplifier
Velocity As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. Aftertouch Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.

Manuals, patches etc.


If you like to discuss or talk about synths in all forms (including VST and modular), you are welcome to join the Facebook group "The Hard, The Soft and The Modular".

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