Crux
SINEfactory instrument—free with registered account

Free electric basses
Free electric basses for use in a wide range of music, production, and composition. From smooth walking basslines to funky solos, Crux has you covered. Included are four classic types of electric bass guitars—Jazz, Precision, Vox, and Music Man—all with plucked, fingered and muted articulations.
From rock to funk, disco, dub, and beyond—these classic and expressive instruments will help you find the perfect tone to move your music forward.
Audio demos
Specs and requirements
Runs in Orchestral Tools' free SINEplayer. The latest version is required.
Size
1 GB of samples (408 MB SINEarc compressed)
24 bit / 48 KHz patches
SINE system requirements:
Mac: macOS 10.13 or higher, Intel Core i5 or similar, Apple M1 chipsets supported, at least 8 GB RAM (16 GB+ recommended)
Windows: Windows 10 64 bit, Intel Core i5 or similar, at least 8 GB RAM (16 GB+ recommended)
Formats supported:
Standalone, VST, VST3, AU, AAX
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Runs in SINE
Mic merging
Preserve your system resources: Fine-tune your mix using multiple mic positions, then merge into a single channel within the player.
Greater usability
SINE is designed to complement the compositional workflow. Create on the fly with auto keyswitch options, and easy remapping tools.
Download single instruments
Choose only the instruments and mic positions that you currently need—no need to download the entire collection at once.