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Behringer DEQ2496 Digital 24 Bit/96 kHz EQ/RTA Mastering Processor     The DEQ2496 is a high precision digital 24-bit/ 96 kHz EQ/RTA mastering processor, ideal for sophisticated live sound trouble-shooting or audiophile mastering. Whether you’re putting the finishing touches on recorded material or creating an optimal live sound for a multi-way PA, the DEQ2496 is built to provide meticulous control. Equalization? Dynamics? Feedback correction? Yes, yes, yes. You can have it all with the DEQ2496. Automatic FFT analysis with Auto EQ? We added that too. The DEQ2496 is a whole rack of flexible equalization, dynamics and time correction functions designed to fix problems and generally optimize sound quality. Dual 31-band Graphic Equalizers (stereo linkable) Dual 31-band Virtual Paragraphic Equalizers (stereo linkable) Dual 10-band Parametric EQ’s per stereo side Dynamically-activated EQ Feedback Destroyer with Learning Mode Stereo Imager Compressor/Expander Limiter Digital Delay RTA/SPL/FFT Analyzer with Auto EQ function   Dual 31-band Graphic Equalizers, 31-band Virtual Paragraphic Equalizers and 10-band Parametric Naturally the DEQ2496 has phase-neutral digital graphic EQ…but in addition Behringer has added a function that allows you to change the bandwidth of each frequency from standard 1/3 to as much as 59/3. Or, if you prefer the old-school approach to variable bandwidth, Behringer has included 10-band parametrics that can be fine-tuned in increments down to 1/60 of an octave.   Dynamically-activated EQ Dynamic EQ automatically raises or lowers a defined frequency range based on volume level. It’s literally a combination of an equalizer (with frequency center and bandwidth controls) and a dynamics processor (with ATTACK, RELEASE, THRESHOLD and RATIO parameters). DEQ opens up a world of both creative mastering and PA problem solving possibilities. Behringer has given you total control with multiple filter types including bandpass mode. And of course you can store DEQ settings for recall at any time manually or via MIDI.   Feedback Destroyer with Learning Mode With the digital capabilities just listed, it’s easy to see why Behringer was able to include a highly-effective Feedback Destroyer (FBD) feature — it’s essentially a dynamically activated parametric EQ that “watches” the whole frequency spectrum in 1∕60-octave bands and then instantly identifies and notches out feedback. FBD can be run in AUTO mode to compensate for movements of performers on stage, or in SNGLE mode that locks onto individual frequencies and then varies the amount of attenuation and bandwidth depending on feedback stimulus — more suited to fixed microphone installations. Behringer has also included a LEARN mode that generates short audio pulses, raises their gain until feedback occurs and then locks into potential trouble-causing band centers.   Stereo Imager (WIDTH) While usually considered a mastering technique, the ability to widen the stereo image can be useful in live sound work, too. When you hear it in action,  you and your audience will be impressed. The DEQ2496 WIDTH processor provides control over STEREOWIDTH (how clearly the two sides of the stereo image are separated from each other), ASYMMETRY (relative volume of left/right stereo signal), ROTATION (panning of stereo + mono in the stereo image), and a multipart SHUFFLE function than can generate an additional low-frequency Stereowidth effect.   Compressor/Expander and Limiter The DEQ2496 has a comprehensive set of dynamics processing tools that can be used as two independent channels or stereo linked. Everything you’d find on a dedicated compressor/ expander is here including variable rations from 1:1.1 to 1:100, ATTACK times from 0 to 200ms, 0-3dB variable knee and 20 to 4000ms RELEASE, all adjustable from a coarse/fine adjustment scale. The built-in separate LIMITER has Threshold, Hold and Release functions.   Digital Delay You can delay either the DEQ2496’s Main or AUX outputs anywhere from 0 to 300ms and can process left and right channels independently. Not only can you specify time delay in feet or meters but simultaneously compensate for ambient temperature which affects sound speed!   RTA/SPL/FFT Analyzer with Auto EQ function The DEQ2496 features an FFT real time analyzer for precise graphic display of 61 frequency bands. You can monitor main or digital inputs and outputs, AUX/ digital out or a feed from an RTA microphone and display the results in a multitude of ways including funky retro VU meters. You get all of the usual peak/hold, display rate and scale features you would expect from a professional measurement tool, plus our user-definable AEQ (Auto EQ function), which allows you to analyze and adjust your system’s frequency response automatically (perfect for “roughing out” initial room adjustments). In Graphic EQ mode, you can choose between UNCORRECTED response, which shows the mutual influence of adjacent bands, or select TRUE response to apply a specially developed algorithm that displays the actual results of the equalizer setting.   Easy to set up and use The DEQ2496 has balanced inputs and servo balanced outputs with gold-plated XLR connectors, stereo aux output, AES/EBU and S/ PDIF inputs and XLR and optical output. Configuration is intuitive, with on-screen block diagram displays and you get a separate RTA mic/line input with phantom power, a professional wordclock input and MIDI connections for full remote control, as well as preset dumps and system updates. You can maintain up to 64 comprehensive user presets at a time and of course dump and load as needed. You can also save and recall individual modules such as DEQ, PEQ, WIDTH or DYN. These subsets of complete presets let you maintain most of a preset’s settings but vary a few (such as graphic EQ) without having to generate a whole new preset.   Built tough for the road, precise for the studio The DEQ2496 features high-quality 24-bit/96 kHz A/D and D/A converters and two high-performance 32/40-bit floating-point digital signal processors for incredible sonic resolution and 113 dB dynamic range. The internal switch-mode power supply assures maximum flexibility (100-240V~), noise-free audio, superior transient response, lowest possible power consumption and freedom from power surge damage.     Features Ultra-high resolution processor for all EQ, RTA and dynamic applications, especially for PA and audiophile mastering 4 concurrently selectable EQ modules (31-band graphic EQ, 10-band parametric EQ, Feedback Destroyer plus 3 Dynamic EQs per stereo channel) Flexible compressor/expander function with peak limiter per stereo channel as well as additional stereo imager and stereo delay for delay line applications Unique VPQ (Virtual Paragraphic EQ) option allows parametric control of graphic EQs Ultra-high resolution 61-band real-time FFT analyzer with additional auto EQ function for room and loudspeaker equalization Multi-functional level meters (peak/RMS, VU and SPL meter with dBA/dBC weighting via RTA/Mic input) 64 user memories for complete setups and/or individual module configurations Separate RTA mic/line input with phantom power, professional Wordclock input and MIDI connections for full remote control, preset dumps and system updates Ultra-high resolution 24-bit/96 kHz A/D- and D/A converters (113 dB dynamic range) Open architecture allowing future software updates via MIDI 2 high-performance 32/40-bit floating-point DSPs for ultimate sonic resolution Balanced inputs and servo-balanced outputs with gold-plated XLR connectors, stereo aux output, AES/EBU and S/PDIF inputs and outputs (XLR and optical) Internal switch-mode power supply for maximum flexibility (100 - 240 V~), noise-free audio, superior transient response and lowest possible power consumption High-quality components and exceptionally rugged construction ensure long life       Specifications Analog inputs Type electronically balanced Connector XLR Impedance 22k ohms Max. input level +12 or +22 dBu, switchable CMRR 40 dB typ. Analog outputs (main) Type servo-balanced Connector XLR Impedance 100 ohms at 1 kHz Max. output level +12 or +22 dBu, switchable Analog outputs (aux) Type servo-balanced Connector 1/4" stereo jack Impedance 100 phms  at 1 kHz Max output level +12 dBu System specifi cations Frequency range 10 Hz to 35 kHz (-1 dB) @ 96 kHz sampling rate Signal-to-noise ratio > 113 dB main input/output > 107 dB aux output THD 0.007 % TYP. @ +4 dBu, 1kHz, unity gain Crosstalk < -92 dB/-95 dB Bypass Type Relay, hard-bypass in case of power failure Measurement microphone input Type electronically balanced Input impedance 2k ohms Max. input level (LINE) variable from -14 dBu to +22 dBu Max. input level (MIC) variable from -42 dBV/Pa to -6 dBV/Pa Phantom power +15 V, switchable Digital input 1 Type XLR transformer-balanced Standard AES/EBU or S/PDIF Input impedance 110 ohms Nom. Input level 0.2 –5 V peak-to-peak Digital input 2 Type TOSLINK optical Standard AES/EBU or S/PDIF Digital output 1 Type XLR transformer-balanced Standard AES/EBU or S/PDIF Impedance 110 ohms Output 3.5 V peak-to-peak Digital output 2 Type TOSLINK optical Standard AES/EBU or S/PDIF Sync input Type BNC Standard Wordclock (1 x sample rate) Input impedance 50 k ohms Nom. Level 2 –6 V peak-to-peak MIDI interface Type 5-pole Din jacks In/Out/Thru Implementation cf. MIDI implementation chart Digital processing Converter 24-bit Delta-Sigma, 64/128-oversampling (AKMR) Sample rate 44.1, 48, 88.2, 96 kHz Graphic equalizer (GEQ) Type digital 1/3-oct. EQ Frequency Range 20 Hz to 20 kHz, 31 1/3-oct. bands according to ISO frequencies Bandwidth 1/3-oct. Control range +15 to -15 dB Parametric equalizer (PEQ) Type max. 10 independent, fully parametric filters per channel Frequency range 20 Hz to 20 kHz Bandwidth 1/10 to 10 oct., shelving filters (6 and 12 dB) Control range +15 to -15 dB Dynamic equalizer (DEQ) Type max. 3 independent, fully parametric filters per channel Frequency range 20 Hz to 20 kHz Bandwidth 1/10 to 10 oct., shelving filters (6 and 12 dB) Control range +15 to -15 dB Threshold variable from 0 to -60 dB Attack 0 to 200 msec Release 20 to 4,000 msec Ratio 1:2 to 1:100 Feedback Destroyer (FBD) Type digital signal analysis for feedback identification Filter max. 10 digital notch filters per channel, programmable or as automatic feedback suppression system Frequency range 20 Hz to 20 kHz Bandwidth 1∕10 to 1∕60 oct. Control range 0 to -60 dB Digital delay Type digital stereo delay Max. delay time 300 ms, independently adjustable for each channel Min. resolution 0.02 ms Delay units seconds, meters or feet Level meters Type digital level meter with simultaneous graphic display of Peak and RMS values and virtual analog VU meter SPL meter Weighting dB (A), dB (C) or OFF Microphone calibration -42 dBV/Pa to -6 dBV/Pa Dynamics Type Expander or compressor with digital IGC (Interactive Gain Control) Threshold variable from 0 to -60 dB Attack 0 to 200 msec Ratio 1:1.1 to 1:100 msec Limiter Type Peak limiter (zero attack) Hold 0 to 1,000 msec Threshold variable from 0 to -24 dB Release 20 to 4,000 msec Real-time analyzer Type digital 61-band FFT analyzer Frequency range 20 Hz to 20kHz, 61 bands According to ISO frequencies Detectors peak and average Noise generator pink noise, levels from 0 to -60 dB Display Type 320 x 80 dot-matrix LC display Backlighting LED, orange Contrast adjustable Memory Presets 64 memory locations with 16-character names, single modules can be recalled and saved Power supply Mains voltage 85 to 250 V~, 50/60 Hz Power consumption 10 W typ. Fuse T 1 A H Mains Connector Standard IEC receptacle Dimensions/weight Dimensions (H x W x D) 1- 3/4" x 19" x 8- 1/2" 44.5 mm x 482.6 mm x 217 mm Weight approx. 2.05 kg Shipping weight approx. 3.5 kg

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