GLM 4.1 and AutoCal2 introduce positive gain. Which monitors support filters with positive gain? July 28, 2021 07:05 8320A, 8330A, 8340A, 8350A, 1032C, S360, 8331A, 8341A, 8351B, 8361A and later SAM-monitors manufactured in or after 2021. Related articles Why does GLM AutoCal2 use filters with positive gain? Should I use "symmetric EQ" or "individual EQ" with GLM? Why does GLM show different SPL readings compared to another microphone I have? Where can I download latest GLM release? What are the latency values of The Ones for Extended Phase Linearity (EPL)? Comments 0 comments Please sign in to leave a comment.