EA-21842-G31

Sensitivity:	-59dB ±3dB @ 74dB SPL
Shape:	Rectangular
Height (Max):	0.089" (2.26mm)
Size / Dimension:	0.219" L x 0.157" W (5.56mm x 3.99mm)
Termination:	Solder Pads
Port Location:	--
Current - Supply:	50µA
Voltage - Rated:	1.3V
Impedance:	3.5 kOhms
S/N Ratio:	--
Series:	EA
Frequency Range:	10Hz ~ 10kHz
Direction:	Omnidirectional
Output Type:	Analog
Type:	Electret Condenser
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The EA-21842-G31 microphone is a low cost, low distortion condenser microphone designed for use in a range of professional audio applications. The EA-21842-G31 is a low-impedance, small diaphragm condenser microphone designed to provide a high-quality source for recordings and live sound applications. It features an acoustic overload protection circuit to ensure that the diaphragm of the microphone is not damaged by extremely loud sound sources, as well as a mic stand adapter for easy mic placement.

Application Field

The EA-21842-G31 microphone is an ideal choice for a variety of professional audio applications including studio recording, live sound reinforcement, broadcast, and film production. With its low distortion performance, the EA-21842-G31 microphone can be used for musical instruments, vocals, spoken word, and many other sources. It can also be used in open studios, where large, uncontrolled sound sources are present.

Features

The EA-21842-G31 microphone offers a number of features that make it a great choice for professional audio applications. The first feature of the EA-21842-G31 is its acoustic overload protection circuit. This circuit protects the microphone diaphragm from damage caused by loud sound sources, such as electric guitars or kick drums. The diaphragm itself is large and heavily dampened, which helps reduce handling and cosmetic noise.The EA-21842-G31 also features a low noise floor, which helps reduce background noise and allows the microphone to capture subtle details. Additionally, the microphone has a wide frequency response, allowing it to faithfully capture all the nuances of a sound source.

Working Principle

The EA-21842-G31 microphone uses a condenser capsule to convert sound waves into an electrical signal. A condenser capsule works similarly to a diaphragm in a traditional dynamic microphone. The condenser capsule is made up of two metal plates, and when a sound wave is present, the sound wave causes the two plates to move relative to each other. This movement of the plates results in an electrical voltage which is then sent to an amplifier, where it is amplified to a level suitable for recording or playback.The EA-21842-G31 microphone also has an acoustic overload protection circuit, which helps to protect the capsule from being damaged by excessively loud sounds. When the circuit detects an excessively loud signal, it reduces the output level to prevent the capsule from being damaged.

Conclusion

The EA-21842-G31 is a high-quality, low-cost condenser microphone designed for a range of professional audio applications. It features an acoustic overload protection circuit to protect its diaphragm from damage caused by loud sound sources, as well as a low noise floor and wide frequency response for accurate sound reproduction. With its features, the EA-21842-G31 is an ideal choice for any professional audio application.

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