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Lightweight EI19 1:4 Metal Dynamic Microphone Audio MIC Transformer Permalloy

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Shenzhen Zhixiangyuan Electronics Co., Ltd.

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Lightweight EI19 1:4 Metal Dynamic Microphone Audio MIC Transformer Permalloy

Brand Name : ZXY

Model Number : ZXY-EI19

Certification : RoHS、ISO9001、CE

Place of Origin : China,Shenzhen City.

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T

Delivery Time : Stock Or 3 weeks

Packaging Details : Carton

Product keywords : Microphone Audio Transformer

Turn ratio : 1:4

Number of power phases : Single phase

Moisture-proof method : Open

Cooling form : Dry

Frequency characteristics : Low frequency

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Lightweight EI19 1:4 Metal Dynamic Microphone Audio MIC Transformer Permalloy

1.Product Description

The Microphone Audio Transformer is an essential component in audio systems, bridging the gap between microphones and other audio devices. It operates based on the principle of electromagnetic induction, where an audio signal from the microphone, in the form of an electrical current, passes through the primary winding. This creates a fluctuating magnetic field within the transformer's core, which then induces a corresponding electrical signal in the secondary winding. This process is crucial for impedance matching. Microphones often have different impedance levels compared to the devices they are connected to, such as audio mixers or amplifiers. The transformer adjusts the impedance, ensuring maximum power transfer and minimizing signal loss. Its compact and well - designed structure, typically with a high - quality magnetic core, enables efficient magnetic coupling between the windings. This results in faithful reproduction of the audio signal, maintaining the integrity of the original sound captured by the microphone. In applications like professional recording studios, live sound reinforcement systems, and even in some high - end communication devices, the Microphone Audio Transformer plays a vital role. In recording studios, it helps capture the nuances of vocals and musical instruments accurately, providing a clean and clear audio signal for further processing. In live sound setups, it ensures that the microphone signal can be effectively amplified and distributed to speakers, reaching the audience with high - quality sound.

2.Performance Characteristics

Characteristics and Advantages	Description
Impedance Matching	MIC transformers are designed to match the impedance of the microphone, which typically has a relatively high impedance, to the lower - impedance input of audio equipment like amplifiers or mixers. This impedance matching maximizes the transfer of electrical power from the microphone to the connected device. As a result, it ensures that the audio signal is efficiently transmitted, reducing signal loss and distortion. For example, in a professional recording studio, a high - impedance condenser microphone can be properly connected to a low - impedance audio interface through a MIC transformer, allowing for clear and accurate sound capture.
Signal Amplification	These transformers can increase the voltage level of the weak audio signal generated by the microphone. By stepping up the voltage, the MIC transformer boosts the signal strength, making it more suitable for further processing in the audio chain. This signal amplification is crucial, especially for microphones that produce very low - level signals, such as dynamic microphones used in live performances. The amplified signal can then be better processed by subsequent audio equipment, enhancing the overall sound quality.
Noise Reduction	MIC transformers play a significant role in reducing noise interference in the audio signal. They can reject common - mode noise, which is noise that appears equally on both the positive and negative wires of the microphone cable. Through the principle of electromagnetic induction, the transformer cancels out this common - mode noise, leaving only the desired audio signal. This results in a cleaner and more noise - free audio output. In a noisy environment like a live concert venue, a MIC transformer can effectively filter out background electrical noise, ensuring that the vocals or instrument sounds are clearly heard.
Electrical Isolation	One of the important features of MIC transformers is electrical isolation. They provide a physical separation between the microphone and the rest of the audio circuit, preventing electrical current from flowing directly between them. This isolation helps protect the audio equipment from potential damage caused by ground loops, voltage spikes, or other electrical problems. For instance, in a large - scale audio installation, where multiple microphones are connected to a central mixer, MIC transformers can isolate each microphone, reducing the risk of equipment failure due to electrical issues and ensuring the reliable operation of the entire audio system.
Frequency Response	MIC transformers are engineered to have a flat and wide frequency response. This means that they can accurately reproduce audio signals across a broad range of frequencies, from the lowest bass notes to the highest treble frequencies. A flat frequency response ensures that the original sound from the microphone is faithfully represented in the output signal, without any significant frequency - related coloration. In applications such as music recording, where accurate reproduction of all frequencies is essential, a MIC transformer with a good frequency response can help capture the full richness and detail of the performance.

Lightweight EI19 1:4 Metal Dynamic Microphone Audio MIC Transformer Permalloy

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