Shenzhen Zhixiangyuan Electronics Co., Ltd.
                                                                                                           
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UI39 Audio Isolation Transformer with M6 Silicon Steel Sheet 40Vrms for 150/600 Impedance Matching

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 3-4weeks
Brand: ZXY
Product Description
UI39 Audio Transformer 150/600 40Vrms High Quality M6 Silicon Steel Sheet for Audio Isolation
This UI39 series audio isolation transformer is constructed with high-quality M6 silicon steel sheets. Its primary function is to perform high-fidelity signal conversion and impedance matching between 150Ω and 600Ω systems. With an operating voltage capacity of 40Vrms, this transformer reliably processes professional line-level signals. The all-steel shielded shell effectively suppresses electromagnetic interference, ensuring pure audio transmission. Ideal for broadcasting equipment, professional audio systems, and audio interface applications requiring electrical isolation, it completely eliminates ground loop noise while providing stable, low-distortion signal isolation and impedance conversion.
Core Features
  • Professional Impedance Matching: Performs impedance conversion between 150Ω and 600Ω systems for maximum signal power transmission and reduced reflection
  • High Voltage Processing Capability: Rated voltage of 40Vrms handles line levels of +24dBu or higher with sufficient dynamic margin and minimal magnetic saturation
  • High-Quality Magnetic Core: M6 silicon steel sheet ensures excellent audio performance with wide frequency response, low distortion, and minimal loss
  • Effective Shielding: Steel casing provides robust electromagnetic interference resistance in complex electronic environments
  • Sturdy Industrial Construction: M6 mounting holes designed for bolt fixing in applications requiring reliable mechanical connections
Performance Characteristics
Model / Type UI39 Series Audio Line / Isolation Transformer
Primary Function Impedance matching & Galvanic isolation for professional audio signals
Nominal Impedance 150Ω : 600Ω (reversible)
Voltage Rating 40V RMS (suitable for high line-level signals, e.g., +24dBu)
Core Material High-grade M6 grain-oriented silicon steel
Key Performance • Wide, flat frequency response
• Low distortion and core loss
• High magnetic permeability
Shielding Full steel enclosure for effective EMI/RFI protection
Typical Applications Professional audio interfaces, broadcast equipment, communication systems, DI boxes, ground loop isolators
Mechanical Dimensions: 63mm x 55mm x 27mm; Mounting: M6 fixings
Key Benefits
  • Impedance Matching: Optimizes power transfer between 150Ω and 600Ω systems
  • High Headroom: Handles professional signal levels without saturation
  • High-Fidelity Signal Path: M6 core ensures accurate signal reproduction with minimal loss
  • Noise Immunity: Steel case blocks external interference and contains magnetic field
  • Ground Loop Elimination: Provides complete electrical isolation to remove hum and buzz
Product Images
UI39 Audio Transformer front view showing construction and mounting details
UI39 Audio Transformer side view displaying dimensions and connector placement
UI39 Audio Transformer internal component view highlighting M6 silicon steel core
UI39 Audio Transformer in application setup demonstrating professional audio integration
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Company Shenzhen Zhixiangyuan Electronics Co., Ltd.
Location Room 202, Yingfei Haocheng Industrial Park, Guansheng 5th Road, Luhu Community, Guanhu Street, Longhua District, Shenzhen
Contact Person Chen

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