Shure : DFR22
Description
The Shure Mixer & DSP Series
DFR 22 has quickly become the industry standard for effective feedback reduction. The DFR22 builds on that reputation to provide an affordable full-featured 2×2 audio processor with drag-and-drop software.
Two Channels. A Powerful Processor. The DFR-22 is ideal for installed sound reinforcement applications, such as houses of worship, theaters, and meeting facilities.
DFR22 is also a powerful setup tool in live music applications. Using the DFR22®s drag-and-drop graphical user interface, processors can be placed anywhere in the signal path.
Features
→ DFR Automatic Feedback Reduction→ Parametric and Graphic Equalizers→ Cut/Shelf Equalizer→ Compressors/Limiters→ Automatic Gain Control→ Gate/Downward Expander→ Ducker→ 2-Way Crossover→ Subwoofer Processor→ Splitter→ Delay Processors→ 2x2 Matrix MixerSpecifications
| Frequency Response | 20 Hz to 20 kHz /- 1 dB |
| Dynamic Range | 110 dB minimum, A-weighted, 20 Hz to 20 kHz |
| Sampling Rate | 48 kHz |
| Digital-to-Analog, Analog-to-Digital Conversion | 24 bit |
| Input Impedance | 10 kilohms |
| Output Impedance | 120 ohms |
| Input Clipping Level | 24 dBu minimum |
| Output Clipping Level | 24 dBu; 12 dBu (with 12 dB pad); 6 dBu (with 18 dB pad) |
| Total Harmonic Distortion | < 0.05%, 4 dBu, 20 Hz to 20 kHz |
| Propagation Delay from Input to Output | <1.5 ms |
| Polarity Input to output | non-inverting (inverting optional) |
| Operating Voltage | 100 to 240 Vac, 50/60 Hz (auto-switching), 1 A, maximum |
| Maximum Power Drain | 45W |
| Operating Temperature | -7 degrees to 49 degrees C (19 degrees to 120 degrees F) |
| Storage Temperature | -29 degrees to 74 degrees C (-20 degrees to 165 degrees F) |
| Dimensions | 482.6 mm x 247.7 mm x 44.4 mm (19 in. x 9.75 in. x 1.75 in.) |
| Weight | 2.83 kg (6.25 lbs) |