Customized 60W Toroidal Transformer for Audio Amplifiers Input 230V Output 18V

Categories	Toroidal Transformer
Brand Name:	ZXY
Model Number:	ZXY
Certification:	RoHS、ISO9001、CE
Place of Origin:	Huizhou.China
MOQ:	Negotiable
Price:	Negotiable
Payment Terms:	T/T
Delivery Time:	3-4 Weeks
Packaging Details:	Carton
Coil Structure:	Toroidal
Origin:	China
Use:	Audio
Customized:	Yes
Product name:	toroidal transformer for audio amplifiers
Phase:	SINGLE

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Shenzhen Zhixiangyuan Electronics Co., Ltd.

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Company Profile

Customized 60W Toroidal Transformer for Audio Amplifiers Input 230V Output 18V

1.Product Description

This customized 60W toroidal transformer is designed for high-performance audio amplifiers, featuring a 230V AC input and a stable 18V AC output for clean, efficient power delivery. Its high-grade silicon steel core and oxygen-free copper (OFC) windings ensure minimal energy loss (<5% regulation) and ultra-low noise (<20dB), making it ideal for Hi-Fi and professional audio systems. With ≥90% efficiency, double insulation, and a compact toroidal design, it provides reliable, vibration-free operation while reducing electromagnetic interference (EMI). Perfect for tube preamps, Class A/B amplifiers, and other sensitive audio applications demanding pristine power quality.

1.High-Efficiency Low-Noise Design

≥90% efficiency with <20dB hum for silent operation, minimizing interference in sensitive audio circuits.

Oxygen-free copper (OFC) windings and high-grade silicon steel core reduce losses and distortion.

2.Stable 18V Output for Audio Applications

Tight voltage regulation (<5% drop) ensures consistent power delivery, critical for amplifier performance.

Low no-load current (<30mA) enhances energy efficiency.

3.Robust & Reliable Construction

Double insulation (primary/secondary) and Class B (130°C) thermal rating for durability.

Compact toroidal design reduces EMI and mechanical vibration, ideal for Hi-Fi systems.

Function:

1. Voltage Conversion & Isolation

Converts 230V AC input to stable 18V AC output (dual/single secondary options).

Provides galvanic isolation between input/output, enhancing safety and noise rejection.

2. Clean Power Delivery for Audio

Low noise (<20dB): Minimizes hum/buzz in sensitive audio circuits (ideal for preamps, DACs, Class A/B amps).

Tight voltage regulation (±5%): Maintains stable output even under dynamic loads.

3. High-Efficiency Energy Transfer

≥90% efficiency with oxygen-free copper (OFC) windings and silicon steel core.

Low no-load current (<30mA): Reduces idle power waste.

4. Electromagnetic Interference (EMI) Suppression

Toroidal design inherently reduces magnetic stray fields vs. EI-core transformers.

Critical for avoiding signal degradation in high-fidelity audio systems.

5. Robust Thermal & Mechanical Performance

Class B (130°C) insulation: Handles sustained loads without overheating.

Vibration-resistant: Toroidal shape minimizes mechanical hum.

2.Performance Characteristics

Parameter	Specification
Input Voltage	230V AC (50/60Hz)
Output Voltage	18V AC (Dual or Single, as required)
Rated Power	60VA (60W)
Efficiency	≥ 90%
Regulation	< 5% (Low voltage drop under load)
No-Load Current	< 30mA (Energy-efficient design)
Insulation Class	Class B (130°C) or higher (optional)
Core Material	High-grade silicon steel (Low losses)
Winding Material	Oxygen-free copper (OFC)
Isolation	Double insulated (Primary/Secondary)
Hum & Noise	< 20dB (Silent operation)
Mounting	Bolt-on or PCB mounting options
Certifications	CE, RoHS compliant (Optional)
Applications	Hi-Fi audio amplifiers, Preamps, etc.

3.Company Profile

Customized 60W Toroidal Transformer for Audio Amplifiers Input 230V Output 18V

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