Equalizer in a Hi Fi system

Glad you started this thread as I wasn’t aware of the Mac unit. I have room modes causing some boom that available speaker placement options won’t cure. I’m curious about its utility as it seems to be in the ballpark as the JL Audio CR-1 and the recently discussed Charter Oaks units. All vs room correction. Anxiously waiting…

As far as room mechanical controls, as mentioned by mahgister - traps, diffusors,  helmholtz devices and such: I have a troublesome boom between 70 and 80 hz caused by room dimensions and have been looking at different ways to reduce these peaks. I have some homemade broadband traps and a bit of diffusion but not enough space for diffusion to fully do it's optimal scattering thing.

My speakers are Spatial Audio M3 Turbo S. The maker, Clayton Shaw, has been very generous with his time in answering questions from me as to improving my experience with the speakers. Yesterday, he told me about something new to me, PSI Audio from Switzerland and their AVAA active 'traps'. Very pricy but for those who can afford them, a potential solution to some very hard to solve (mechanically) issues.

Big picture, they use a microphone and generate a signal 180 degrees out of phase to effect cancellation of certain frequencies. An active solution in a smaller package than many helmholtz devices or conventional traps. These seem to offer a way for dealing with some low frequency issues without inserting a device into the signal path. Great thread! I hadn't seen any mention of these devices and just had to share what Clayton had shared with me. It may help someone, I hope. 

Anxious to hear from trackman....