Pultec EQM-1S3 Tube Program Equalizer

The Pultec EQM-1S3 is a mastering-grade, two-band tube equalizer that brings the legendary Pultec sound to a modern workflow. Handcrafted to original specifications, it combines the unmistakable warmth, depth, and musicality of the classic EQP series with the precision and recall that mastering demands.

Featuring 21-position stepped ELMA controls and an 11-step bandwidth selector, the EQM-1S3 delivers exact repeatability and fine tonal shaping. Its expanded frequency options include low-shelf boosts and cuts from 30–100 Hz, and high-band peak and shelving selections from 1–20 kHz—perfect for adding silky “air,” tightening low end with the famous Pultec low-end trick, or sculpting mixes with musical clarity.

Powered by a 12AX7, 12AU7, and 6X4 tube stage, the EQM-1S3 provides a smooth, harmonically rich analog character while maintaining mastering-grade transparency with low noise and distortion. Built for professional studios, it excels on mix bus and mastering chains, delivering both subtle enhancements and bold tonal shaping.

Bring legendary tone and modern precision to your mastering chain with the Pultec EQM-1S3—a timeless tool for world-class audio.