ROM-2238S-NF Audio Products

S/N Ratio:	60dB
Shape:	Circular
Height (Max):	0.094" (2.40mm)
Size / Dimension:	0.228" Dia (5.80mm)
Termination:	Solderless (Bullseye)
Port Location:	Top
Current - Supply:	500µA
Voltage Range:	2V ~ 10V
Voltage - Rated:	2V
Impedance:	2.2 kOhms
Series:	--
Sensitivity:	-38dB ±3dB
Direction:	Omnidirectional
Output Type:	Analog
Type:	Electret Condenser
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

ROM-2238S-NF is a highly sensitive condenser microphone with a wide frequency range of 30Hz to 18kHz for accurate signal capture. This microphone is designed mainly for directional sound reinforcement in public address systems (PA systems) such as auditoriums, churches, and installations in stadiums. ROM-2238S-NF can also be used in situations where a microphone needs to be placed at a specific distance from the source of sound (pickup).

Application Field

ROM-2238S-NF is typically used in public address, broadcast, recording, and other sound reinforcement systems, with applications in auditoriums, broadcast studios, churches, and stadiums. It is designed to pick up audio signals accurately and efficiently at a distance from the source of sound. It has a super-directional pattern, which means it is designed for directional sound reinforcement.

Features

ROM-2238S-NF has several features that make it an excellent choice for sound reinforcement. It has a very wide frequency range of 30Hz to 18kHz, and a low-noise capsule design that limits noise and improves sound quality. It also has a three-stage high-pass filter, which can be used to reduce low-frequency leakage. The microphone is also designed in such a way that it is resistant to interference from electromagnetic sources.

Working Principle

ROM-2238S-NF uses a condenser microphone capsule that transduces sound into electrical signals. This capsule is attached to a voltage source along with two metal plates, called electrodes. When sound enters the capsule, the air pressure inside it causes the capsules diaphragm to vibrate, which in turn causes the electrodes to move back and forth. This movement generates electrical signals, which are sent to an amplifier. The amplifier then processes the signal and makes it louder. The microphone also has a three-stage high-pass filter which can be used to reduce low-frequency leakage.

Conclusion

ROM-2238S-NF is an excellent choice for sound reinforcement in auditoriums, broadcast studios, churches, and stadiums. It has a super-directional pattern, a wide frequency response of 30Hz to 18kHz, and a low-noise capsule design for excellent audio quality. Its three-stage high-pass filter can be used to reduce low-frequency leakage, and it is also designed to be resistant to interference from electromagnetic sources. With its accuracy and efficiency, ROM-2238S-NF is the perfect choice for any sound reinforcement application.

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