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ES933C, ES933WC Specification Sheet
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ES933C & ES933WC Submittal Sheet
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ES933C Cardioid Condenser Hanging Microphone

The new Engineered Sound. Contractor-exclusive innovations for every acoustical challenge. And safe haven from RFI.

With durable construction and unobtrusive appearance, the ES933C offers versatile solutions for speech, theater, orchestra and choir sound reinforcement and recording. The microphone's low-profile element provides a uniform cardioid polar pattern with 120º acceptance angle. Available in two colors: black (ES933C); white (ES933WC), the microphone offers unsurpassed immunity from radio frequency interference thanks to UniGuard® innovations. The ES933C also offers an 80 Hz low-cut UniSteep® filter that reduces pickup of low-frequency ambient noise.

Designed for quality sound reinforcement, professional recording, television and other demanding sound pickup applications
Small size and excellent response are ideal for suspension over choirs, instrumental groups and theater stages

Low-profile element provides uniform cardioid polar pattern with 120º acceptance angle

Available interchangeable elements permit angle of acceptance from 90º to 360º

Superior off-axis rejection for maximum gain before feedback
Requires 11V to 52V DC phantom power
UniGuard® RFI-shielding technology offers outstanding rejection of radio frequency interference (RFI)
Integral UniSteep® filter provides a steep low-frequency attenuation to improve sound pickup without affecting voice quality
Available in two colors: black (ES933C) and white (ES933WC)
RoHS compliant—free from all substances specified in the EU directive on hazardous substances

SPECIFICATIONS
ELEMENT	Fixed-charge back plate, permanently polarized condenser
POLAR PATTERN	Cardioid
FREQUENCY RESPONSE	30-20,000 Hz
LOW FREQUENCY ROLL-OFF	80 Hz, 18 dB/octave
OPEN CIRCUIT SENSITIVITY	-40 dB (10.0 mV) re 1V at 1 Pa
IMPEDANCE	250 ohms
MAXIMUM INPUT SOUND LEVEL	138 dB SPL, 1 kHz at 1% T.H.D.
DYNAMIC RANGE (typical)	109 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
SWITCH	Flat, roll-off
WEIGHT (MICROPHONE)	5.5 g (0.2 oz)
WEIGHT (POWER MODULE)	81 g (2.9 oz)
DIMENSIONS (MICROPHONE)	27.5 mm (1.08") long, 8.4 mm (0.33") head diameter
DIMENSIONS (POWER MODULE)	92.9 mm (3.66") long, 18.9 mm (0.74") diameter
OUTPUT CONNECTOR (POWER MODULE)	Integral 3-pin XLRM-type
CABLE	15.2 m (50') long (permanently attached to microphone), 3.2 mm (0.13") diameter, 2-conductor shielded cable, terminated with TA3F-type connector
OPTIONAL INTERCHANGEABLE ELEMENTS	ESE-O omnidirectional (360°) ESE-H hypercardioid (100°) ESE-ML MicroLine® (90°)
ACCESSORIES FURNISHED	ES933C: AT8109 two-stage foam windscreen; AT8452 steel hanger ES933WC: AT8109(WH) two-stage foam windscreen; AT8452(WH) steel hanger Both: AT8538 power module
AUDIO-TECHNICA CASE STYLE	M25