This squelchy bass emulates a classic acid house 303 sound at 130 BPM over 2 bars. It uses a raw sawtooth oscillator with a 16th-note pattern featuring slides and accents that create smooth frequency transitions between notes from C2 to G3. A 4th-order low-pass Butterworth filter dynamically modulates cutoff between 50 Hz and 18000 Hz using an envelope with percussive exponential decay, deeper and longer on accented notes. Finally, tanh saturation adds grit and bite, with the signal normalized before and after distortion and presented in stereo.
This bass fits well in acid house, techno, and other electronic genres around 130 BPM. It works best as a lead bassline or rhythmic element, layering nicely with drums and pads. Watch for its resonant filter peaks in the mix to avoid clashing with kick drums; subtle EQ or sidechain compression can help maintain clarity.