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  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
  • EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer
EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer

EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer

$1.00-$50.00/ Piece|100 Piece/Pieces(Min. Order)
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EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Conversion & Power Distribution: Designed to step up/down AC voltage between 120V/230V input and dual outputs (e.g., 250V, 20V, 12V, 6.3V), supporting both audio and general power applications.
  • Multi-Voltage Flexibility: Handles 50Hz/60Hz frequencies, enabling seamless use across global power standards (e.g., 120V in North America or 230V in Europe).

Key features

  • 1. Enhanced Material Technology

    • With copper and aluminum windings combined with a ribbed metal enclosure, ensure efficient heat dissipation and long-lasting durability, reducing the risk of overheating in continuous use.

  • 2. User-Friendly Interactive Design

    • With color-coded wiring and an autotransformer design, simplify installation and voltage configuration, minimizing wiring errors and enabling quick setup for both audio systems and power distribution needs.

  • 3. High-Performance Parameters

    • With a 100VA rating and support for 50/60Hz frequencies, handle power demands up to 250V output, offering ~20% broader voltage compatibility than standard models*

  • 4. Versatile Scenario Solutions

    • Designed for dual applications in audio systems (e.g., amplifiers) and commercial power distribution, providing reliable performance in home theaters, studios, and industrial environments.

  • 5. Compliance with Safety Standards

    • With materials and construction designed to meet international safety standards, ensure safe operation in diverse settings*

Product details

EI 86x42 Audio Power Transformer 120v 60hz 230v 50hz to 250v 20v 12v 6.3v 50hz Dual Outputs 100VA Lamination Transformer

The EI 86x42 Audio Power Transformer is a robust, industrial-grade device designed for efficient voltage conversion in audio and power applications. Its EI lamination core and dual output capabilities (e.g., 250V/20V/12V/6.3V) enable versatile use in audio systems, power supplies, and industrial equipment. Built with copper and aluminum windings for optimal conductivity and heat dissipation, it supports 50/60Hz frequencies and operates across input voltages (120V, 220V, 230V), ensuring global compatibility.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCopper and aluminum windings, black metal enclosure with ribbed heat dissipationHigh-efficiency power transfer in audio gear
Coil StructureEI lamination coreReduces energy loss in high-frequency audio systems
Voltage Flexibility120V/230V input → 250V/20V/12V/6.3V dual outputsCustomizable power distribution for amplifiers
Frequency Range50Hz/60Hz compatibilityGlobal use in audio and industrial equipment
Power Rating100VASupports moderate-power applications like PA systems

Customization guide

Adjustable output voltage taps (e.g., 24V/36V/48V) allow customization for specific audio or power needs. The autotransformer design enables variable voltage scaling within rated limits, ideal for adapting to specialized equipment requirements.

Get inspired

With its EI lamination core and dual outputs, this transformer delivers clean power for audio amplifiers while maintaining efficiency in industrial setups. Its ribbed enclosure ensures reliable operation even under continuous load, making it a versatile choice for musicians, engineers, and manufacturers.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
VA Rating100VA120VA (+20% capacity)150VA (+50% capacity)*
Output VoltageFixed tapsAdjustable tapsFully programmable taps
Efficiency92%95% (+3% improvement)98% (+6% improvement)*
CertificationsIEC 60076IEC 60076 + ULIEC 60076 + UL + RoHS

Supplier's note

  1. Technical Breakthroughs:

    • EI Lamination Core: Reduces energy loss by 20% compared to traditional designs, enhancing efficiency in audio systems.
    • Dual Output Flexibility: Supports simultaneous 250V/12V outputs, enabling hybrid power/audio setups.
    • 50/60Hz Compatibility: Eliminates the need for region-specific models, reducing inventory costs.

  2. Version Selection Guide:

    • Base Model: Ideal for small studios or home audio systems requiring standard 100VA power.
    • Advanced Model: Suitable for professional audio engineers needing adjustable voltage taps for custom gear.
    • Pro Model: Best for industrial users requiring high-efficiency (98%) and full programmability for robotics or heavy machinery.

Example: The Pro Model’s 98% efficiency paired with programmable taps allows seamless integration into solar-powered systems, minimizing energy waste and maximizing output stability.

Frequently asked questions

  • Which EI transformer model suits audio systems needing 250V output for amplifiers?

  • How to ensure optimal performance for the EI 86x42 transformer in industrial environments?

  • Copper vs. Aluminum windings: Which is better for high-current audio applications?

  • Can the EI 86x42 transformer be customized for 24V/12V audio subwoofers?

  • Is the EI 86x42 transformer UL/CE certified for commercial audio setups?

  • Can this transformer handle 60Hz in the US and 50Hz in Europe for global audio projects?

  • Why choose the EI 86x42 for home theater systems over standard power transformers?

  • What makes the EI lamination design critical for this transformer’s reliability?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Input Voltage RangeGlobal industrial/AV systemsIndustry Standard: 120V-240V (IEC 60038)
Our Base: 120V-230V
Our Advanced: 120V-277V ▲
▲ Advanced: Supports 277V for commercial lighting (ANSI C84.1)Limited to single-phase (not suitable for heavy industrial 3-phase loads)
Output Voltage OptionsAudio equipment, power suppliesIndustry: 12V/24V only
Base: 12V/24V/9V
Advanced: 5V/12V/24V/48V ▲
▲ Advanced: 48V for PoE devices (IEEE 802.3af)Multiple outputs may require custom wiring ▲
Frequency CompatibilityCross-regional installationsIndustry: 50Hz/60Hz hybrid
Base: 50Hz/60Hz auto-adjust
Advanced: ±5% frequency tolerance ▲
▲ Advanced: Stable in unstable grids (IEC 61000-3-2)Higher cost due to advanced core design
Material QualityHigh-reliability environmentsIndustry: Steel core + copper windings
Base: Aluminum core + copper windings
Advanced: EI lamination + 100% copper ▲
▲ Advanced: 30% lower resistance (ASTM B312)Heavier and costlier than aluminum variants
Efficiency RatingEnergy-sensitive applicationsIndustry: 88-90% (ENERGY STAR®)
Base: 92% (IEC 60076-7)
Advanced: 95% ▲
▲ Advanced: 20% lower heat output (ISO 14542)Requires premium cooling solutions
Thermal DissipationHigh-temperature environmentsIndustry: Passive cooling (max 40°C)
Base: Ribbed enclosure (50°C)
Advanced: Active cooling + ribbed design ▲
▲ Advanced: Operates at 60°C (UL 1446)Adds bulk/weight compared to passive designs

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