Intact Audio

Wow, -1dB at 54hz?? Are you using an active sub or some other way to get that back? I can see an entire system being -1dB at 40hz and still being musical, but for a single sage it seems a bit much (assuming full range whatever that is) Yes, active sub. Don't they just add? I was thinking they neede...

[i]What a fresh diversion from the "grunt grunt, I need a billion henries" world audio has become [/i] Inductance of the IT and Rp of the driver (40H,3k5) will set the overall LF performance of the amp, -1dB at 54Hz, -3dB at 15Hz. Any idea how close the -3dB points can be before they add?....