Standard Audio is a Los Angeles-based manufacturer of professional analog audio equipment designed to give modern record makers creative control, distinctive tone, and serious sonic character. Best known for the Level-Or Mk2 JFET limiter and harmonic processor, Standard Audio blends vintage-inspired circuit concepts with thoughtful modern features for recording, mixing, and sound design. Their analog processors are built for engineers and producers who want more than transparent signal control, delivering everything from aggressive compression and harmonic distortion to flexible tone shaping and parallel processing. With products including 500 Series modules and full-size rackmount hardware, Standard Audio focuses on unique, hands-on tools that encourage experimentation and help producers create bold, memorable sounds in the studio.