Bastl Instruments is a community-driven creator of unique electronic musical instruments, modular synthesizers, and portable sound boxes based in Brno, Czech Republic.
Bastl Instruments, established in 2013 and based in Brno, Czech Republic, is a dynamic company dedicated to the development and production of electronic musical instruments. Born from a community-driven ethos, Bastl specializes in creating portable sound boxes, studio utilities, and fully featured Eurorack modular synthesizer systems. Their products are celebrated for their experimental nature, open-source spirit, and distinct aesthetic.
The brand is well-known for devices like the Kastle series—mini-modular synthesizers that offer deep patching capabilities in a pocket-sized format—and a wide array of Eurorack modules that cater to sound designers and musicians seeking new sonic textures. Beyond manufacturing, Bastl Instruments actively engages in community projects, workshops, and music events, fostering a culture of creativity and collaboration in the electronic music world.
Latest manuals from manuals+ curated for this brand.
Common questions about manuals, registration, and support for this brand.
To update firmware on devices like the Kastle 2, connect the device to your computer via USB-C, turn off the power, then hold the SHIFT button while turning the power ON. The device will boot into update mode as an external drive, allowing you to copy the firmware file over.
Most Bastl portable instruments, such as the Kastle series, can be powered via USB-C or by using 3x AA batteries. The device will typically prioritize USB power if connected.
To check the firmware version, boot the device into Test Mode (often by holding a specific button like BANK or FX MODE while turning the unit on). A voice prompt usually announces the installed version number through the audio output.
Bastl Instruments offers web-based editors for certain devices (such as the Kastle 2 Wave Bard) where you can manage samples, scales, and rhythms. These are often accessible via apps.bastl-instruments.com.