4. December 2025
Bastl Instruments Kastle 2 Alchemist: Hybrid Synthesis, Modular Playfulness and Digital Depth
Bastl Instruments, known for their inventive and community-driven approach to electronic instrument design, present the Kastle 2 Alchemist—a portable, hybrid-synthesis powerhouse that invites deep exploration. This official video manual, hosted by Wes, walks viewers through the Alchemist’s five synth modes, macro envelope, and a patch bay that encourages hands-on, modular-style play. With features like morphing between engines, expressive arpeggiation, USB MIDI integration, and a companion app for firmware and scale management, the Kastle 2 Alchemist is positioned as a compact but surprisingly deep tool for sound designers and modular tinkerers alike. We dive into the architecture, workflow, and creative potential









