audio-technica U851A Unidirectional Condenser Microphone

U851A Unidirectional Wired Microphone

For more information about the availability of the U851A Microphone or other audio-technica products, please contact 21st Century Video Limited by; Phone: +44 (0) 8450 940 570, FAX: +44 (0) 8450 940 599 or email: sales@c21video.com

Features:
Designed for surface-mount applications requiring high-quality sound pickup Ideal for a variety of video and audio conferencing applications Heavy die-cast case and foam base pad minimise coupling of surface vibration to the microphone Self-contained electronics eliminate need for external power module Low-profile design for minimum visibility PivotPoint rotating output connector allows the cable to exit from either the rear or the bottom of the microphone UniGuard RFI-shielding technology reduces RF interference UniSteep filter improves sound pickup 25' (7.6 m) cable with TA3F-type input connector to AT8531 power module XLRM type output connector on AT8531 power module Connects to AT-MX341a or AT-MX351 SmartMixer - requires additional cable
U851A Technical Specifications:

Element:		Fixed-charge permanently polarised condenser
Polar Pattern:		Unidirectional in hemisphere above surface
Frequency Response:		30 - 20,000 Hz
Open Circuit Sensitivity:		Phantom: -40 dB (10.0mV) re 1V at 1 Pa Battery: -41 dB (8.9mV) re 1V at 1 Pa
Impedance:		Phantom: 200 ohms Battery: 270 ohms
Maximum Input Sound Level:		Phantom: 133 dB SPL, 1 kHz at 1% T.H.D. Battery: 101 dB SPL, 1 kHz at 1% T.H.D.
Signal to Noise Ratio:		72 dB, 1 kHz at 1 Pa
Dynamic Range (Typical):		Phantom: 111 dB, 1 kHz at Max SPL Battery: 101 dB, 1kHz at Max SPL
Phantom Power Requirements:		11 - 52V, 2 mA typical
Battery Type:		1.5V AA/UM3
Battery Current/Life:		0.4 mA / 1200 hours typical (alkaline)
Switch:		Off/On-Flat/On-Roll-Off
Low Frequency Roll-Off:		80 Hz, 18 dB/octave
Weight:		8.6oz (244 g)
Output Connector:		XLRM type (AT8531 power module)
Cable:		25.0' (7.6m) permanently attached to microphone
Accessories Furnished:		AT8531 power module; battery; protective pouch

Home	Updated: 06 January 2010.