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600:600 EI1404 Audio Transformer: Should we use silicon steel sheet or nickel steel sheet?

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December 02, 2025
Category Connection: Audiotransformator
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Stichworte:
#Hochspannungsimpulswandler #Tonfrequenz-Transformator E-I #Tonfrequenz-Transformator Soems
Brief: Let's dive in — see this solution in action and notice the key moments. In this video, we explore the EI1404 600:600 audio isolation transformer, demonstrating how it eliminates ground loop hum and RFI/EMI interference. Watch as we compare the performance differences between silicon steel and nickel steel core materials for professional audio applications.
Related Product Features:
  • Provides galvanic isolation to eliminate ground loop hum and 50/60Hz mains buzz between connected audio devices.
  • Effectively blocks and filters out RFI and EMI interference picked up by cables for cleaner audio signals.
  • Features 600Ω:600Ω impedance matching for optimal signal transfer with professional studio equipment.
  • Maintains or converts to balanced signals for noise-resistant long-distance cable runs.
  • Protects sensitive downstream gear from DC offset and voltage surges with physical barrier protection.
  • Silicon steel core version handles higher signal levels without distortion for line-level applications.
  • Nickel steel core version delivers superior low-level signal performance with minimal loss and ultra-low distortion.
  • Standardized EI-1404 core size with integrated metal casing for reliable performance and magnetic shielding.
Fragen und Antworten:
  • What is the main purpose of the EI1404 audio isolation transformer?
    The EI1404 transformer eliminates ground loop hum, RFI/EMI interference, and unwanted noise in audio signal chains while providing galvanic isolation between connected equipment for clean signal transmission.
  • What's the difference between the silicon steel and nickel steel core versions?
    The silicon steel core offers high cost-effectiveness and robust performance with high saturation levels for line-level applications, while the nickel steel core provides superior low-level signal performance with extended frequency response and ultra-low distortion for critical audio paths.
  • Which applications is this transformer suitable for?
    It's ideal for studio microphone preamps, broadcasting consoles, DI boxes, and high-fidelity systems where clean, noise-free audio transmission and equipment protection are required.
  • How does the transformer protect audio equipment?
    It acts as a physical barrier that prevents potential damage from front-end device failures such as DC offset and voltage surges, safeguarding sensitive downstream recording interfaces and speakers.
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