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​​10-Pack EI-14 Audio Isolation Transformers – 600Ω 1:1 Coupling for Hi-Fi/PA Systems​

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$9.99

$ 4 .99 $4.99

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  • ​High Voltage Stability​​ – Ensures reliable performance under electrical stress with minimal signal distortion.
  • 1:1 AC Impedance Ratio (600Ω:600Ω)​​ – Balanced coupling for noise-free audio isolation in Hi-Fi and PA systems.
  • ​​290mH Inductance (±20% Tolerance)​​ – Optimized for broad frequency response (300Hz–15kHz) in audio applications.
  • ​​QA-1 Grade Enameled Wire (0.06mm Diameter)​​ – Precision-wound coils reduce DC resistance and thermal drift.
  • 600Ω Nominal Impedance​​ – Maintains signal integrity and impedance matching for consistent audio fidelity.



Product Description

​EI-14 600Ω 1:1 Audio Isolation Transformer – Nickel Alloy Core for Hi-Fi/PA Signal Coupling​

​Technical Specifications​

​Impedance Ratio​​: 600Ω:600Ω (1:1) with ±20% tolerance.

​Core Material​​: High-purity nickel alloy for minimal magnetic hysteresis and low distortion.

​Inductance​​: 290mH (±20%) at 1kHz, 0.3Vrms.

​Winding Configuration​​: Dual-wire winding (QA-1 grade) with 0.06mm enameled copper wire.

​Coil Structure​​: 800 turns primary/secondary for balanced signal transmission.

​Key Features​

​EMC/EMI Compliance​​ – Reduces electromagnetic interference in sensitive audio circuits.

​High-Voltage Isolation​​ – Withstands up to 1.5kV AC for robust signal decoupling in PA systems.

​Precision Winding​​ – Symmetrical 1:1 ratio ensures phase coherence and frequency response (300Hz–15kHz).

​Low DC Resistance​​: 135Ω (±10%) for minimal power loss and thermal stability.

​Applications​

Ground loop elimination in mixers, amplifiers, or studio equipment.

Line-level audio isolation in Hi-Fi systems or broadcast setups.

​Package Includes​

10 x EI-14 audio isolation transformers.