dbx AFS2 Dual-Channel Advanced Feedback Suppression Processor
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Description
The dbx AFS2 is a two-channel feedback suppression processor for live sound and installed systems. It finds feedback and removes it with up to 24 notch filters per channel, and filters as narrow as 1/80 of an octave take out only the frequencies that ring.
A setup wizard takes the guesswork out of ringing out a room, and the full LCD shows the settings and menus. Filters work in live or fixed mode with selectable lift times, and the filter types suit speech or low, medium and high music content. The channels run in stereo or independently, each with an input meter, a filter meter and a bypass button. XLR and 1/4 in. TRS inputs and outputs switch between +4 and -10 operating levels, and a USB port takes firmware updates.
Features
- Wizard setup function
- Full LCD display
- dbx Advanced Feedback Suppression (AFS)
- 24 programmable filters per channel, as narrow as 1/80 octave
- Stereo or dual independent channel processing
- Live and fixed filter modes with selectable filter lift times
- Filter types for speech and for low, medium and high music
- 5-segment input meter per channel
- 24-LED filter meter per channel
- Bypass button per channel
- XLR and 1/4 in. TRS inputs and outputs, switchable +4/-10 levels
- USB port for firmware updates
Specifications
- Inputs: 2, female XLR and 1/4 in. TRS
- Input Type: Electronically balanced/unbalanced, RF filtered
- Input Impedance: 50k ohms balanced, 25k ohms unbalanced
- Maximum Input Level: +20 dBu
- CMRR: More than 40 dB, typically more than 55 dB at 1 kHz
- Outputs: 2, male XLR and 1/4 in. TRS
- Output Type: Electronically balanced/unbalanced, RF filtered
- Maximum Output Level: +20 dBu
- A/D Conversion: 24-bit, dbx Type IV
- A/D Dynamic Range: More than 113 dB A-weighted, more than 110 dB unweighted
- D/A Conversion: 24-bit
- Sample Rate: 48 kHz
- Dynamic Range: 109 dB A-weighted, 106 dB unweighted
- THD+Noise: 0.003% typical at +4 dBu, 1 kHz
- Frequency Response: 20 Hz to 20 kHz, ±0.5 dB
- Operating Voltage: 100 to 120 VAC, 50/60 Hz
- Power Consumption: 9 W
- Dimensions (H x W x D): 1.75 x 19 x 5.75 in. (4.4 x 48.26 x 14.6 cm)
- Weight: 4.5 lb (2.04 kg)
In the Box
- AFS2 processor
- IEC power cable