Low distortion compact type Audio transformer EI14 Bluetooth audio adapter

 

        EI14 audio transformer is specifically designed for audio signal coupling, ground loop isolation, and impedance conversion. The primary and secondary windings are closely coupled, with low leakage inductance and low hysteresis loss, resulting in low audio signal transmission distortion; it can cut off ground loop noise and eliminate common-mode background noise in audio equipment.

 

Product parameters

Winding form	Self coupling	Frequency characteristics	Low frequency
Voltage ratio	1:1	Power phase number	Single-phase
Moisture proof method	Open-ended	Iron core shape	E-type
External structure	Vertical	Brand	CXWON
Size	14.5*15.2*8.2mm	Inductance	750MH
Resistance value	240±15%	Material	Silicon steel sheet

 

Common models

 

Core advantages of Surface mount inductor

1. Adopting EI14 high-quality silicon steel core, with low hysteresis loss and minimal audio signal distortion.
2. Closed laminated magnetic circuit design, low leakage inductance, and smoother transmission of mid to low frequency audio.
3. Equipped with electrical isolation function, it can cut off the ground loop and effectively eliminate audio AC noise.
4. Small and compact in size, occupying a small PCB board area, suitable for small audio modules.
5. The winding has good coupling and low signal attenuation in the audio frequency range of 200Hz~3.5kHz.

Flowchart

Why choose us

Q: What is the magnetic core material of EI14 audio transformer?
A: Using cold-rolled silicon steel laminated magnetic cores, combined with enameled copper wire winding, specifically designed for low-frequency audio small signal transmission.

Q: What are the pins of EI14 audio transformer?
A: Common 4pin and 5pin direct insertion pins, PCB plug-in installation, pin layout support customization.

Q: What is the main function of EI14 audio transformer?
A: Three core functions: audio signal coupling, ground loop isolation, line impedance matching, and elimination of audio common mode noise.

Q: Can EI14 audio transformer eliminate audio humming noise?
A: Okay. First level electrical isolation, disconnect the ground loop, and solve the AC hum caused by equipment grounding potential difference.

Q: Is the leakage inductance of EI14 audio transformer high and what impact does it have on sound quality?
A: The winding is tightly coupled, with low leakage inductance, minimal signal attenuation in the audio frequency band, low sound distortion, and clean restoration of human voice.