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EI1404 Transformer: The 1:10 Step-Up Solution for Professional Audio & Broadcast Consoles

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December 01, 2025
Category Connection: Audio trasformatore
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Tag:
#trasformatore ad alta tensione di impulso #Trasformatore di audio frequenza di EI #Trasformatore di audio frequenza dell'OEM
Brief: See the journey from feature description to real application in this concise overview. Watch as we demonstrate how the EI1404 transformer provides precise 20dB gain to match low-output microphones with broadcast console inputs, while showcasing its superior noise rejection and electrical isolation capabilities in professional audio environments.
Related Product Features:
  • Provides an exact 1:10 step-up ratio delivering 20dB voltage gain for optimal microphone-to-console level matching.
  • Features superior common-mode rejection to effectively eliminate noise, hum, and RF interference from cables.
  • Delivers wide, flat frequency response across the audible spectrum with minimal phase shift for accurate sound reproduction.
  • Offers complete galvanic isolation between input and output circuits to break ground loops and eliminate ground-borne noise.
  • Efficiently transforms low microphone impedance to higher console input impedance for maximum power transfer.
  • Protects sensitive broadcast console electronics from DC spikes and voltage surges through physical isolation.
  • Ensures pristine audio capture by maximizing signal-to-noise ratio in critical broadcast applications.
  • Serves as an ideal balanced transmission bridge using electromagnetic induction for clean audio transmission.
Domande frequenti:
  • What is the primary function of the EI1404 audio transformer?
    The EI1404's core function is to passively amplify weak microphone signals with a precise 1:10 step-up ratio, providing 20dB gain to match low-level microphone outputs to the optimal operating level required by broadcast console inputs.
  • How does the EI1404 transformer handle noise and interference?
    It utilizes excellent common-mode rejection to effectively suppress noise, hum, and RF interference picked up in long-distance cables, while galvanic isolation completely cuts off ground loops to eliminate AC hum caused by ground potential differences.
  • What protection does the EI1404 offer for broadcast equipment?
    The transformer provides complete electrical isolation through magnetic coupling, creating a physical barrier that protects expensive broadcast console electronics from accidental voltage surges and DC spikes while ensuring signal purity.
  • Why is impedance transformation important in audio applications?
    Optimal impedance transformation ensures maximum power transfer by efficiently converting low microphone impedance to higher console input impedance, improving drive capability over long cable runs while maintaining signal integrity.
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