Sabine FBX2410
2-Channel Feedback Exterminator


Our Price: $484.97
List Price: $604.95
You save 20%! (Low Price Guarantee)
In Stock

The FBX2410 includes the latest improvements to Sabine's patented feedback control algorithms, providing the fastest ever feedback detection and elimination. Sabine's one Hz placement accuracy means these filters are even more transparent, and the signal to noise ratio has been improved by 10dB. All this means the best just got better.

The industry's best digital signal processors give the FBX2410 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.

Is it music or is it feedback? This is the most difficult question your feedback controller must answer. A wrong decision means you waste filters (less gain for you) and punch unnecessary holes in your sound. Less sophisticated feedback controllers place filters on any loud tone, even if it is music, but the FBX uses a patented analysis of the harmonic content of your program material. Because feedback is low in harmonics, and music and speech are rich in harmonics, the FBX is able to make the correct and accurate answer to the music or feedback question.

Now that we know feedback is happening, we need to target it precisely. Many feedback controllers place their filters in the general vicinity of the feedback and then widen the filters until the feedback goes away. The FBX uses a more sophisticated solution. It centers the filter exactly on the frequency that is feeding back. This unique one-Hertz resolution enables the FBX to control feedback with transparent filters that are ten times narrower than graphic equalizer filters, which can only muster 31 spots to place their very wide filters. Feedback frequencies are single tones, and that means there can be almost 20,000 places for them to occur in the audio spectrum. You can see that using a feedback control device with less resolution is like shooting a fly with a shotgun.

Sonic Integrity:
Sabine’s innovative approach to digital filtering is unique in the industry. Our filters just sound better, with far less phase distortion and a smoother response. Most other feedback controlers and graphic equalizers claim to provide Constant Q filters, but they really get wider as the filters go deeper. Sabine filters remain extremely narrow regardless of their depth.

Faster Setup:
The FBX2410 gives you the easiest, fastest, and quietest setup procedure. In less than 30 seconds you will be ready to begin your performance, and the whole process is so quiet you can almost do it without anyone knowing it is happening!

Bright multi-colored filter display:

After the super-fast setup is complete the bright blue LED on the Ready button clearly tells you the show can begin, and you’ve got all the extra gain you need. You have complete control of the mix between filter types (see the Fixed and Dynamic Filter box above), and the bright, three-color LED display shows you your filter status at all times – you can see it from across the room!

Sabine FBX2410 Features:

  • Super-fast automatic feedback control
  • Quick and quiet setup
  • Increased headroom
  • Accurately distinguishes music from feedback
  • Places filters with 1 Hz resolution
  • Transparent - leaves your sound clear and untouched
  • Provides more gain before feedback (6 to 9dB typical)
  • 24-bit digital resolution
  • Three-color LED filter display
  • 12 Filters per channel
  • Flexible Filter Controls
  • Dynamic filter reset
  • XLR & 1.4" TRS inputs/outputs

Sabine FBX2410 Specifications:

  • Filters:
    • 12 independent digital notch filters per channel, controlled automatically from 40 Hz to 20 KHz.
    • Filter width: user-controllable - either 1/10 or 1/5 octave, constant "Q"
    • Resolution: 1 Hz
    • Time required to find and eliminate feedback: 0.4 seconds, typical @ 1kHz
    • Number of Dynamic vs. Fixed filters per channel: user selectable. Last configuration stored in memory.
  • Input and Output:
    • Input/Output Maximum Signal Levels: Balanced +18dBV peak, unbalanced +12 dBV peak
    • Output Drive: Unit will perform as specified driving a load >600 Ohms
    • Input Impedance: Balanced or unbalanced >40K Ohms, PIN 2 high
    • Output Impedance: Balanced or unbalanced 150 Ohms nominal, PIN 2 high
    • Bypass: True power off bypass
    • Headroom: +14 dB peak @ 4 dBV nominal input, balanced
    • I/O Connectors: XLR-3 and 1/4" TRS
  • Performance:
    • Frequency response: 20 Hz – 20kHz +/- 0.3 dB
    • Gain matching: +/- 0.2 dB
    • Spectral Variation: + .25 dB, 20Hz to 20 kHz
    • SNR - Dynamic Range: >108 dB
    • THD:
      • .005% at 1 kHz
      • < 0.01% 20 Hz – 10 kHz
      • < 0.025% 10 KHz – 20 kHz
    • Dynamic Range: >105 dB
  • Power Input:
    • 115 VAC: 100 – 130 VAC 50/60 Hz
    • 230 VAC: 200 – 240 VAC 50/60 Hz
    • 115 VAC, 0.1 A, 10 W, 0.160 A SB fuse
    • 230 VAC, 0.06A, 10 W, 0.080 A T fuse
  • Dimensions: 1-U rack mount; 19" x 1.75" x 6.25"
  • Weight: 8.0 lbs. (3.6 kg) nominal
  • Safe operating temperature: -15 to +50° C ambient temperature (5 to 122° F)
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