Flagship alarm! Mastering version of the 1S3 The EQM-1S3 is our flagship product. It combines the power and versatility of the EQP-1S3 with the precision and reproducibility of the mastering versions. This product is quickly becoming our most popular product for mix bus and/or mastering use. Specifications: 30, 40, 70, 100 CPS shelf boost, 0 - 10 dB in 0.5 dB steps 30, 40, 70, 100 CPS shelf?
In 2015 Pulse Techniques introduced 500-series versions of our popular 19" rack-mount solid-state line amp EQP-1A3-SS (EQP-500A) and EQP-1S3-SS (EQP-500S) equalizers. Based on the venerable API 2520 op-amp, these are preferred by some engineers to the vacuum tube models. The 500A and 500S differ with respect to the corner frequencies on the low-frequency boost/attenuation shelves and the addition?