AOM-4542L Audio Products

Series:	AOM
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Electret Condenser
Output Type:	Analog
Direction:	Omnidirectional
Sensitivity:	-42dB ±3dB
S/N Ratio:	60dB
Impedance:	2.2 kOhms
Voltage - Rated:	1.5V
Voltage Range:	1.5V ~ 10V
Current - Supply:	500µA
Port Location:	Top
Termination:	Solder Pads
Size / Dimension:	0.382" Dia (9.70mm)
Height (Max):	0.185" (4.70mm)
Shape:	Circular

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Introduction

The AOM-4542L is a dynamic microphone with a range of applications. It has an omnidirectional design that provides an ideal combination of being sensitive over a broad frequency range while delivering a low signal-to-noise ratio. With its excellent sound quality, sturdy construction, and low self-noise, the AOM-4542L is the choice for many professional studios and stage sound applications.

Application Fields

The AOM-4542L is suitable for use in a number of sound recording applications, providing a full-range, low-noise audio signal. It is ideal for one-to-one interviews, broadcasting presentations, and podcast recordings. It can also be used for stage performances, studio recordings, and live sound applications.

Construction and Build

The AOM-4542L features a heavy-duty die-cast zinc body construction that ensures extraordinary durability, even in demanding environments. Its high-grade internal components include a neodymium magnet and a moving coil. This design, coupled with its extremely low self-noise, make it an incredibly competent microphone.

Features and Specification

The AOM-4542L features a frequency response of 30 Hz to 20 kHz, a low self-noise of 20 dB (A-weighted), and a maximum SPL of 140 dB. It also has a 125-ohm output impedance, which is suitable for use with standard interface audio equipment. It is capable of powering itself via a 48v phantom power source.

Working Principle

The AOM-4542L is a dynamic microphone operating on the principle of electromagnetic induction. When sound waves enter the microphone, it causes a diaphragm to move. This movement is then converted into an electrical signal by a coil of wire attached to the diaphragm. This signal passes through the microphone cable and then into various types of audio interface equipment before reaching its eventual destination.

Conclusion

The AOM-4542L is a fantastic microphone for many recording applications. With its robust construction, low-noise design, and a wide frequency response, it offers a superb sound quality. Its omnidirectional pick-up pattern also makes it suitable for a variety of applications, such as interviews, podcast recordings, live sound, and both studio and stage performances.

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