Crown CM311AE Headset Microphone (Wired for Audio Technica)
This version of the best-selling CM-311A headset is wired in 4-pin configuration for Audio Technica style wireless systems. The CM-311A offers Differoid performance in a comfortable headworn package. The CM-311A is designed to meet the most demanding touring sound applications, with its electret condenser capsule providing full, clear and distortion-free sound. Gain-before-feedback and isolation are exceptional. Lightweight, rugged and comfortable, the headband and mic boom are adjustable to any vocalist. Includes battery/phantom powered belt pack. Best gain-before-feedback and isolation of any headworn microphone! Condenser capsule provides full, clear, distortion-free sound. Specifications: - Transducer type: Electret condenser.
- Frequency response (typical): 50 Hz to 17,000 Hz.
- Polar pattern: Cardioid.
- Impedance: 6 kilohms unbalanced.
- Recommended load impedance: 10 kilohms.
- Open-circuit sensitivity, typical, close-talking: 1.25 mV/Pa (–58 dB re 1V/Pa).
- Power sensitivity, typical, close-talking: –71.5 dB re 1 mW/Pa.
- Equivalent noise level (self noise): 26 dB SPL typical (0 dB = 0.0002 dyne/cm2), A-weighted.
- S/N rati 68 dB at 94 dB SPL.
- Maximum SPL: 140 dB SPL with 3V DC, 148 dB SPL with 9V DC.
- Operating voltage: 3–9V DC from the transmitter’s battery.
- Polarity: Positive pressure on diaphragm produces positive voltage on with respect to white lead.
- Current drain: 0.27 mA nominal.
- Battery life: approximately equal to transmitter battery life.
- Off-attenuation: 70 dB.
- Output connectors: match your transmitter.
- Cables: In-line with this cable is a small circuit module that equalizes the microphone signal. Cable is 42-inches (106.68 cm) long from headband to module, 12-inches (30.48 cm) from module to cable end. 2-conductor shielded unbalanced cable, unterminated.
- Materials: High-impact plastic mic housing, brass boom, steel wire headband, high-impact plastic and steel battery pack.
- Finish: Satin black.
- Net weight: Head-worn mic, 2.1 oz (61 g).
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Crown CM311AE Headset Microphone (Wired for Audio Technica)
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