EI28 Audio Low Frequency Transformer Audio Boost Pulse Transformer
Soft Feet 2+2
1.Product Description:
EI28 Audio Low Frequency Transformer is a transformer designed
specifically for low-frequency audio signals. It adopts the EI28
iron core structure and has efficient energy transmission and
excellent signal isolation capabilities. Its characteristics
include wideband response (20Hz-20kHz), low distortion, and
excellent noise suppression performance, which can effectively
eliminate ground loop noise and electromagnetic interference. This
transformer is widely used in audio amplifiers, mixers, recording
studio equipment, and Hi Fi audio systems to ensure high fidelity
sound quality and stable signal transmission. Its compact design
and durability make it an ideal choice for professional and
consumer grade audio devices.
2.Function:
The EI28 Audio Low Frequency Transformer is a versatile component
that performs critical functions such as impedance matching, signal
isolation, noise reduction, and voltage transformation. Its ability to handle low-frequency audio signals with high
fidelity makes it an essential part of professional and consumer
audio systems.
1.Impedance Matching:
Matches the impedance between audio devices (e.g., amplifiers and
speakers) to ensure optimal power transfer and minimize signal
loss.
2.Signal Isolation:
Provides electrical isolation between input and output circuits,
preventing ground loops and reducing noise and interference.
3.Voltage Transformation:
Converts audio signal voltages to desired levels, ensuring
compatibility between different audio components.
4.Noise Reduction:
Filters out electromagnetic interference (EMI) and other noise,
delivering clean and clear audio signals.
5.Frequency Response Optimization:
Supports low-frequency audio signals (typically 20Hz - 20kHz),
ensuring accurate reproduction of bass and mid-range tones.
6.Signal Balancing:
Converts unbalanced signals to balanced signals (or vice versa),
improving signal integrity in professional audio setups.
7.Power Transfer:
Efficiently transfers audio signals with minimal energy loss,
ensuring high-quality sound reproduction.
8.Phase Correction:
Maintains proper phase relationships in audio signals, preventing
phase distortion.
9.Durability and Reliability:
Designed to operate reliably in various environments, making it
suitable for both studio and live sound applications.
10.Versatility:
Compatible with a wide range of audio equipment, including
amplifiers, mixers, microphones, and speakers.
Advantage | Description |
Precise Audio Signal Transmission | The EI28 Audio Low Frequency Transformer can accurately transfer
low frequency audio signals, reducing signal distortion and
ensuring high-fidelity audio output. It maintains the integrity of
the audio waveform, providing clear and natural sound quality. |
Good Electrical Isolation | With its unique design, it offers excellent electrical isolation
between the primary and secondary circuits. This effectively
prevents electrical interference and crosstalk, ensuring that the
audio system operates stably and the audio signals are not affected
by external electrical noise. |
Stable Magnetic Performance | The EI28 core structure provides a stable magnetic path, which
helps to minimize magnetic leakage and hysteresis loss. This stable
magnetic performance contributes to consistent audio performance
over time, and also improves the efficiency of the transformer. |
Compact and Space-saving | The EI28 size makes it relatively compact, which is suitable for
applications where space on the circuit board or in the audio
device is limited. It allows for easy integration into various
audio systems without taking up too much space. |
Wide Applicability | It is suitable for a wide range of low frequency audio
applications, such as audio amplifiers, speakers, audio mixers, and
other audio equipment. It can meet different audio processing
requirements and enhance the overall performance of the audio
system. |
Reliable and Durable | Made of high-quality materials and with a well-designed structure,
the EI28 Audio Low Frequency Transformer has good reliability and
durability. It can withstand long-term use and various working
conditions, reducing the need for frequent replacement and
maintenance. |

