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ES963 Submittal Sheet
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ES963 Specification Sheet
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ES963 Literature Sheet
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ES963 Three-Element Multidirectional Boundary Microphone

With three cardioid condenser elements in a single housing, the phantom-powered ES963 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.

Three cardioid condenser elements mounted in a single housing

Easily reposition two elements (via levers on the microphone base) to offer 360° or 300° coverage; each element can be powered and used individually or in any combination

Also functions as a stereo boundary microphone

Provides full, efficient and flexible coverage—fewer microphones required

Small-diameter capsules near boundary eliminate phase distortion and deliver clear, high-output performance

Low-frequency attenuation improves sound pickup without affecting voice quality

Cable routes through any of four recessed pathways on the microphone base (or down for direct feed through a table surface); no tools or disassembly required

UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)

Heavy die-cast case and non-slip silicone foam bottom pad minimizes coupling of surface vibration to the microphone

Low-profile design with low-reflectance finish for minimum visibility

SPECIFICATIONS
ELEMENTS	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN	Half-cardioid (cardioid in hemisphere above mounting surface)
FREQUENCY RESPONSE	75-15,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY	–37 dB (14.1 mV) re 1V at 1 Pa
IMPEDANCE	100 ohms
MAXIMUM INPUT SOUND LEVEL	135 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	110 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO	69 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIREMENTS	11-52V DC, 2 mA typical
WEIGHT	162 g (5.7 oz)
DIMENSIONS	85.1 mm (3.35") diameter, 19.5 mm (0.77") height
OUTPUT CONNECTOR	Unterminated–stripped and tinned
CABLE	7.5 m (24.6') long (permanently attached to microphone), 3.8 mm (0.15") diameter, 7-conductor shielded cable; unterminated
ACCESSORY FURNISHED	Soft protective pouch

SPECIFICATION GRAPHS
Click on the chart to view the larger image
	POLAR PATTERN
	FREQUENCY RESPONSE

Three cardioid condenser elements mounted in the microphone housing are factory set with an angle of 120° between them to provide complete 360° coverage. Two positioning levers on the microphone base allow two of the three elements to be reoriented (with no tools or disassembly required) to offer angles of 90°/90°/180° between elements for 300° coverage.

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