The Astatic 910B, 915B and 920B are low-noise, cardioid, condenser, mini-gooseneck microphones. They are ideal for use in houses of worship, government, corporate meeting rooms and public address. The... Click To Read More About This Product
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The Astatic 910B, 915B and 920B are low-noise, cardioid, condenser, mini-gooseneck microphones. They are ideal for use in houses of worship, government, corporate meeting rooms and public address. Their wide, smooth frequency response characteristics provide natural, articulate and transparent sound. The microphone's cardioid polar pattern minimizes annoying feedback when used close to sound reinforcement speakers and monitors, while reducing the pickup of unwanted off-axis sources. Their advanced, transformless electronics are self-contained to simplify installation.
The Astatic 910B, 915B and 920B microphones include a solid center section with flexible goosenecks at the top and bottom. The top gooseneck is 1/4" [6mm] in diameter and the bottom gooseneck is 19/32" [8mm] in diameter. The 910B mic utilizes a single 1/4" [6mm] diameter gooseneck. The goosenecks are well-lubricated, silent in operation while maintaining strong positional memory. The overall length of the 910B is 10 15/16" [262mm], the 915B is 15 9/16" [395mm] and the 920B is 20 7/16" [519mm]. The durable matte-black non-reflective paint assures an unobtrusive installation. The foam windscreen is included. Standard P12, P24, or P48 phantom power is required.
Silent, durable, flex pipe design with strong positioning memory
Wide, smooth frequency response
Balanced transformerless output circuitry
Non-reflective matte-black finish
Operating Principle: Condenser
Polar Pattern: Cardioid
Frequency Response: 150Hz - 20kHz
Impedance: 440 ohms
Self Noise: 26dBA
Max SPL: 132dB, 1% THD
Power Requirements: P12, P24, P48, 5mA
Polarity: Positive pressure on diaphragm corresponds to positive voltage on pin 2 relative to pin 3
Finish: Durable matte-black urethane
Net Weight [Mass]: 915B: 4.2 oz [120 g]
GSM-1: Shock mount
FM-1A: Flange with 3-pin female XLR stem mount
FM-2A: Locking flange mount with 3-pin female XLR
Architects' and Engineers' Specification
The microphone will be a mini-gooseneck condenser type. The frequency response will be 150Hz - 20KHz. The microphone will have a cardioid polar pattern. The sensitivity of the microphone will be -32dBV (25mV) @ 1Pa. The microphone will have a 3-pin male XLR connector which also contains the transformerless electronic circuitry. The microphone will operate from standard P12, P24, or P48 phantom power. The dimensions of the microphone will be 19/32" [15mm] in diameter for the head, and 3/4" [19mm] in diameter for the connector. The upper gooseneck of the 915B will be 1/4" [6mm] in diameter. The lower gooseneck of the 915B will be 5/16" [8mm] in diameter. The overall length will be 15-9/16" [395mm] for the 915B. The net weight will be 4.2oz [120g] for the 915B. The 915B will have a durable matte-black urethane finish. A foam windscreen will be supplied as an accessory.
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