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Since Sabine first invented digital feedback control in 1991, FBX
Feedback Exterminators have set the standard for transparent and
reliable automatic feedback control. Now Sabine is proud to announce
the next generation of automatic feedback controllers: The FBX1200 and
FBX2400, now with SMARTFilter™ Technology.
THE POWER OF FBX
The power of the FBX with SMARTFilters lies in its ability to
control feedback during the program, not just at setup time. If
feedback occurs during that crucial moment of the show, in the middle
of the big solo, or just when the worship leader begins the sermon, the
FBX places a filter that only kills the feedback, not the sound and
power you work so hard to achieve.
Think of the FBX as a very advanced set of automatic parametric
filters. If you had the time, the filters, and the test equipment, you
could find the feedback frequencies, dial in the precise filter
location, and make a very narrow filter, just deep enough to remove the
offending tone. The FBX does it all for you auto-matically, and it does
it faster than any other method.
How do we do it? First let’s consider just how a superior feedback
control filter should behave. Filters can be described by their Speed,
Accuracy, Resolution, and Sonic Integrity.
SPEED
The industry’s best digital signal processors that run the
SMARTFilter algorithm give the new FBX1200 and 2400 a distinct speed
advantage over all other automatic feedback controllers. And in Setup
Mode the speed is increased, so you can complete your entire setup of
the FBX in less than 30 seconds. During the show the 24-bit FBX is
constantly on the watch for feedback, never allosing it to ruin your
show. Filters are placed almost immediately (in 0.4 seconds at 1 KHz.)
For more information, click here | 
