DFR22Audio Processor
Shure
Two Channels. A Powerful Processor. The Shure DFR has quickly become the industry standard for effective feedback reduction. The DFR22 builds on that reputation to provide an affordable full-featured 2x2 audio processor with drag-and-drop software.
The DFR22 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 DFR22s drag-and-drop graphical user interface, processors can be placed anywhere in the signal path.
- 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 Mixer
- Specifications Sheet (PDF)
- 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
- Impedance
- Input: 10 kilohms
- Output: 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
- Temperature Range
- Operating: -7 degrees to 49 degrees C (19 degrees to 120 degrees F)
- Storage: -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)
| User Guides | Language | File Size |
|---|---|---|
| DFR22 Hardware User Guide | English | 1080 (kb) |
| DFR22 Software User Guide | English | 1858 (kb) |
| DFR22 Hardware User Guide | French | 1067 (kb) |
| DFR22 Software User Guide | French | 2163 (kb) |
| DFR22 Hardware User Guide | German | 1078 (kb) |
| DFR22 Hardware User Guide | Italian | 1072 (kb) |
| DFR22 Software User Guide | Italian | 2123 (kb) |
| DFR22 Hardware User Guide | Spanish | 1071 (kb) |
| DFR22 Software User Guide | Spanish | 2181 (kb) |
