Shure DFR11EQ5 Half Rack Digital Equalizer


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Shure DFR11EQ5 Half Rack Digital Equalizer
shure-dfr11eq5
DFR11EQ Digital Equalizer Shure's DFR11EQ is a computer-controlled digital equalizer with a multitude of audio processing capabilities offered in a compact, half-rack unit. The innovative DFR software interface runs on Windows® and makes even the most complex processing functions easy to use.



The DFR11EQ Solves a Variety of Problems:

Non-ideal acoustics Insufficient gain before feedback Irregular sound system frequency response Harmful signal peaks that can damage amplifiers and loudspeakers

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A true problem-solver with features including 10 automatic, adaptive, feedback filters, equalizer limiter and delay for challenging acoustical situations. Features Specifications Accessories User Guides Selectable 10 bands of Parametric EQ or 1/3 Octave Graphic EQ Feedback Reduction with 10 precision notch filters that automatically seek out and reduce feedback 10 onboard Scene Presets, 3 accessible from the front panel. All onboard presets can also be accessed with the DRS-10 Digital Remote Switch accessory. Limiter and Delay Remote Modem Access, SIA-Smaart® Pro Interface, and Alternatives to Direct PC Control Frequency Response 20 to 20k Hz +/- 1.0 dB re 1 kHz Dynamic Range 104 dB minimum, A-weighted, 20 Hz to 20 kHz
Sampling Rate 48 kHz Digital-to-Analog, Analog-to-Digital Conversion 20 bit resolution Voltage Gain ­1 dB +/- 1dB (power off) 0 dB +/- 2 dB (equal input and output sensitivities) 12 dB +/- 2 dB (input ­10 dBV, output +4 dBu) ­12 dB +/- 2 dB (input +4 dBu, output ­10 dBv) Impedance Input: 47 kilohms +/- 20% actual Output: 120 ohms +/- 20% actual Input Clipping Level +18 dBu minimum (at +4 dBu setting) +4 dBV minimum (at ­10 dBV setting) Output Clipping Level +18 dBu minimum (at +4 dBu setting) +4 dBV minimum (at ­10 dBV setting) Total Harmonic Distortion < 0.05% at 1 kHz, +4 dBu, 20 to 20 kHz LED Signal Indicators Clip: 6 dB down from input clipping Propagation Delay from Input to Ouput 1.0 ms, all filters set to Flat (0 ms delay setting) Polarity Input to output: non-inverting XLR: pin 2 positive with respect to pin 3 1/4-in. TRS: tip positive with respect to ring Operating Voltage DFR11EQ: 120 Vac, 50/60 Hz, 75 mA max DFR11EQJ: 100 Vac, 50/60 Hz, 75 mA max DFR11EQE: 230 - 240 Vac, 50/60 Hz, 38 mA max Temperature Range Operating: -7 degrees to 49 degrees C (20 degrees to 140 degrees F) Fuse DFR11EQ:120 Vac. Fuse: 100 mA, 250V time delay DFR11EQJ: 100 Vac. Fuse: 100 mA, 250V time delay DFR11EQE: 230 Vac. Fuse: 50 mA, 250 V time delay Dimensions 219 mm x 137 mm x 44.5 mm (8-5/8 in x 5-3/8 in x 1-3/4 in.) Weight 930 g (2.05 lbs) FEEDBACK FILTERS

Ten (10) 1/10-octave adaptive notch filters from 60 Hz to 20 kHz Deployed to 1 Hz resolution of feedback frequency Deployed in depths of 3 dB, 6 dB, 9 dB, 12 dB, and 18 dB (12.5 Low Q in graphic EQ mode) attenuation Filter shape variable between HI Q and LOW Q (see High Q vs. Low Q Filters in User Guide). GRAPHIC EQUALIZER

Frequency Bands 30 bands on ISO, 1/3-octave centers Filter Type 1/3-octave, constant Q Maximum Boost 6 dB per band Maximum Cut 12dB per band, high- and low-pass filters, 12dB/octave nominal PARAMETRIC EQUALIZER

Frequency Bands 10 bands, variable frequency, variable Q Boost/Cut Range +6 dB to ­18 dB per band Q Range 1/40-octave to 2 octave Shelf/Rolloff Filters Shelf, +6 to ­18 dB per filter Rolloff, 6dB, 12dB, 18dB, or 24dB per octave nominal DELAY Up to 1.3 seconds LIMITER Threshold: ­60 dBFs to ­0.5 dBFs, 0.5 dB resolution Attack: 1 ms to 200 ms Decay: 50 ms to 1000 ms Ratio: to 1

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