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With three cardioid condenser elements in a single housing, the phantom-powered U843R offers a remarkably versatile tool for surface-mount installations. Levers on the microphone base allow easy reorientation of two elements to offer 360° or 300° coverage. Since elements can be powered and used individually or in any combination, further flexibility is easily achieved. For example, with two elements powered, the microphone can provide a figure-of-eight polar pattern; with a single element powered, the microphone functions as a standard cardioid boundary microphone. Installation and repositioning are extremely quick, thanks to four recessed pathways on the base of the microphone that enable the user to route the cable as required to accommodate any installation requirements; no tools or disassembly are needed. The microphone also offers Audio-Technica’s innovative UniGuard® RFI-shielding technology.
| Element | Fixed-charge back plate, permanently polarized condenser |
| Polar Pattern | Hemispherical Cardioid x3 (combine to omni-directional or bidirectional) |
| Frequency Response | 70 - 16,000 Hz |
| Open Circuit Sensitivity | -37 dB (14.1 mV) re 1V at 1 Pa |
| Impedance | 100 ohms |
| Maximum Input Sound Level | 134 dB SPL, 1 kHz at 1% T.H.D. |
| Switches | The lever of elements can adjust the proper position |
| Dynamic Range | 105 dB, 1 kHz at Max SPL |
| Signal-to-Noise Ratio | 65 dB, 1 kHz at 1 Pa |
| Phantom Power Requirements | 11-52V DC, 2 mA typical |
| Weight | 160 g |
| Dimensions | 20.0 mm - height ; 85.0 mm – maximum body diameter |
| Output Connector | Without connector |
| Cable | 7.6 m long (permanently attached to microphone), 4 mm diameter, 6 conductor, shielded cable; output end stripped and tinned for connection to electronic device |
| Accessories Included | Soft protective pouch |
| Name | Filetype | Filesize |
|---|---|---|
| U843R Specification Sheet |  PDF |
787 KB |
| U843R Polar Pattern |  JPG |
31 KB |
| U843R Frequency Response | JPG |
34 KB |
| U843R Declaration of Conformity | PDF |
30 KB |
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The U843R Three channel boundary cardioid condenser microphone is covered by Audio-Technica’s European Warranty. This covers your product to be free of defects in materials and workmanship.
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Whether it’s on the boardroom table, the stage or in the studio, Audio-Technica products are trusted time and again by industry professionals looking for reliable, lovingly developed audio products for all budgets.
It’s Audio-Technica’s commitment to innovation, customer service and meticulous design that ensure professionals turn to us to provide solutions in conferencing, houses of worship, broadcasting, live sound, recording studios and beyond.
For over 50 years Audio-Technica has worked alongside leading figures in sports and music broadcast to develop and hone a range of products that deliver on the highest level.
Audio-Technica have developed and delivered products to power the Grammys, World Cup, Super Bowl, Commonwealth Games as well as every Summer and Winter Games from Atlanta 1996 to Sochi 2014.
Founded in 1962 by Hideo Matsushita, Audio-Technica positioned itself immediately as a leader in the manufacture and design of innovative audio products.
Its expertise in innovation quickly spread to various new fields and led to the development of tone arms, microphones and headphones. Audio-Technica soon became a benchmark in those fields. Making history.
A self-made man and audiophile, Hidéo Matsushita was the former Director of the Tokyo Museum of Modern Art. It all started in his workshop, with the hand crafting of stereo cartridges. 50 years later, Audio-Technica has become a global leader in audio innovation.
Humility, passion, creativity and expertise in sound are the core values behind Audio-Technica’s legacy, greatly inspired by its founder - whose imprint on the company’s philosophy is still felt today.
Audio-Technica’s passion for listening evolved in the 70’s, when it started designing headphones, building upon a legacy in innovation, meticulous engineering and artistic design.
Today, Audio-Technica’s audio products have become globally synonymous with consistently high sonic performance paired with impeccable build construction and artistic design.
All Audio-Technica products come with a two year warranty as standard meaning you can enjoy your product safe in the knowledge that you’re covered.
All Audio-Technica products purchased from Audio-Technica Europe are guaranteed for two years from the date of purchase to be free of defects in materials and workmanship. In the event of such defect, the product will be repaired or replaced without charge*.
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