Audix MB1245A 50" Microboom Miniature Condenser Microphone Overview:
The M1245A is a miniaturized condenser microphone with a fully integrated preamp and detachable cable. The M1245A is available with cardiod and hypercardioid polar patterns giving the microphone the unique ability to be used a very wide variety of live, studio, and broadcast applications. The M1245A is available with an array of clips and accessories enabling the microphone to be used for drums, percussion, musical instruments, overhead stage miking, podiums, conferences, and presentations. The MicroBoom™ is a 50-inch (1270 mm) carbon fiber rod that can be utilized with any of the condenser microphones in the Micros series. The MicroBoom™, which is ultra lightweight and able to attach to any microphone stand, is a problem solver for many hard-to-reach miking applications including choir, plays, and orchestra. Used in conjuction with the specially designed low profile pedestal stand (Audix part number MB-STAND), the MicroBoom™ can be used in the vertical position for awards-style presentations. The MicroBoom™ can used with a choice of seven capsules in the Micros series, offering a broad choice of pick-up pattern and frequency response. The top of the MicroBoom™ features a mini-XLR connector which securely holds the microphone in place and also allows for easy access when changing out microphones. High quality shielded cable is used internally to insure the cleanest audio signal path between the microphone and the bottom of the boom, which terminates in a mini-XLR male connector. The stand adapter designed for the MicroBoom™ allows for total control over the angle, rotation, and position of the carbon fiber rod. A metal thumbscrew locks the rod firmly in place. The final angle and position of the microphone is controlled by using the flexible metal gooseneck just below the microphone. The Micros are designed with a fully integrated low noise preamplifier within the barrel of the microphone housing, effectively eliminating the need for an external power supply. The elimination of the power supply along with the ability to “hide” the cable within the guides provided in the metal stand adapter makes for an ultra-clean, professional, and elegant appearance. Features (M1245A Microphone) - Small, lightweight, low profile
- Miniaturized integrated preamp circuitry
- No external power adapter needed
- 12mm gold vapor diaphragm
- Extremely low noise, high SPL handling
Features (Microboom) - Lightweight, rigid
- Portable, easy to position
- Clean, elegant appearance
- Choice of seven capsules
- Exceptional sound quality
- No external power supply needed
- Attaches to any mic stand
- Can be used horizontally or vertically
Applications - Acoustic instruments
- Ambient room miking
- Symphonic area miking
- Overhead mic for choir, group vocal
- Speeches / Presentations
- Cymbals / Percussion
- Choir
- Ensemble vocal
 - Theatre
- Orchestral zone miking
- Location recording
- Presentation
- Conference room
Supplied Accessories - 50" carbon fiber boom arm (MICROBOOM)
- 25' shielded mic cable. Mini-XLRf - XLRm (CBL-M25)
- Mic stand adapter with thumbscrew and wing nut adjustments (MC-BOOM)
Microphone | | | Transducer Type: | Condenser | | Frequency Response | 80 Hz - 20 kHz | | Polar Pattern | Cardioid | | Output Impedance | 150 ohms | | Sensitivity at 1k | 7.8 mV/ Pa (-42 dbV +/-1.5 dB) | | Recommended Load Impedance | > 1000 ohms | | Signal/Noise Ratio (A-weighted) | 73 dB | | Equivalent Noise Level (A-weighted) | 23 dB | | Maximum SPL @ .5% THD | 144 dB | | Dynamic Range | 121 dB | | Power Requirements | 48 – 52 V | | Connector | 3 pin mini-XLRm | | Polarity | Positive pressure on diaphragm produces positive voltage on pin 2 relative to pin 3 | | Housing / Finish | Brass / powder coat | | Weight | .6 oz / 17 grams | | Length | 1.97 inches / 50 mm | Microboom | | | Material Rod: | Carbon Fiber | | Gooseneck: | steel | | Connectors: | brass | | Length | 50"/1270mm | | Diameter | 20"/7.4mm | | Connectors Bottom: | Mini-xlr male | | Top: | Mini-xlr female | | Finish | Non-reflective black | | Weight | 2.5 ounces/78 grams (without mic or clip) |

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