Are you a manufacturer or a trading company?

We are a professional toroidal transformer manufacturer with over 10 years of experience, based in Guangzhou, China. We welcome you to visit our factory.

What is the lead time for mass production?

100~500 pieces: 7~10 working days; 500~2000 pieces: 10~15 working days; >2000 pieces: Negotiable. Rush orders can be handled for an additional fee.

Can you arrange shipping for us?

Yes, we have long-term cooperation with major freight forwarders and can arrange sea, air and express shipping to any port worldwide.

Custom Low Noise 300W Toroidal Power Transformer for Amplifier Use

Name: Custom Low Noise 300W Toroidal Power Transformer for Amplifier Use
Brand: Guangzhou Jianrui Electronics Co., Ltd.
SKU: 2291755655

Guangdong, ChinaGuangzhou Jianrui Electronics Co., Ltd.

US$15.00-100.00

50 Pieces

Product specifications

Customization

Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Application

Power, Electronic, Instrument, Audio

Phase

Single

Model NO.

SH82-300

Core

Toroidal Core Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Frequency Characteristics

Power Frequency

Shape of Core

Ring

Brand

Jianrui

Product Type

Toroidal Power Transformer

Core Material

High-Quality Oriented Silicon Steel

Winding Wire

Pure Copper Winding

Input Voltage

220V/230V AC

Frequency

50/60Hz

Installation

Center Hole Mounting

Operating Temperature

-10℃ ~ +70℃

Transport Package

Custom Cartons

Specification

148*148*66mm

Trademark

Jianrui

Origin

Guangzhou, China

Production Capacity

10, 000 Pieces Per Year

Key features

100% Pure Copper Windings: Ensures high efficiency up to 95% and ultra-low noise for superior performance.

Full OEM/ODM Customization: Customizable voltage, power (10VA-50kVA), size, mounting, and shielding options.

Wide Power Range: Standard models from 10VA to 10,000VA with custom options up to 50kVA.

Universal Frequency Support: Designed for stable operation on both 50Hz and 60Hz without performance loss.

Audio-Grade Performance: Ultra-low noise and low distortion ideal for Hi-Fi amplifiers and medical devices.

1-Year Warranty Coverage: Comprehensive warranty against manufacturing defects for peace of mind.

CE and RoHS Compliant: Meets strict international safety and environmental standards for global markets.

Fast Lead Time: 7-15 working days for mass production with rush order options available.

Company profile

High Repeat Buyers ChoiceFast DeliveryFlexible Customization100% Finished Products Inspection

Guangzhou Jianrui Electronics Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤0.09h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): CIF, CFR, EXW, FOB

About Our Factory & Business Background

Address3rd Floor, No.15, Lane 14, Baishuikeng Central Street, Nancun Town, Panyu District, Guangzhou City, Guangdong Province

Plant Area660 square meters

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Piece

Supply Chain Partners15

Our Production Capability & Technical Expertise

Main ProductsToroidal Transformer, Inverter

Production Lines2

Production MachinesReflow Soldering Machine, SMT Machine, Super Mute Terminal Machine, Winding Machine, Semi-automatic Dip Welding Machine, Cutting Machine

Inspection Type for Finished Products100% inspection(Function inspection & Visual inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2014-06-13

Main MarketsNorth America, Southeast Asia

Repeat Buyers Choice80%~100%

Overseas Agent/BranchNo

Product Q&A

Q:What is the power range of your toroidal transformers?

We provide standard models from 10VA to 10,000VA (10kVA) and can customize up to 50kVA for specific industrial needs.

Q:What input/output voltages are available?

Standard input voltages: 110V/120V (North America), 220V/230V/240V (Europe/Asia/Australia). We support single, dual, triple, and multi-group output voltages.

Q:Are they compatible with both 50Hz and 60Hz frequencies?

Yes, our transformers are designed for 50Hz/60Hz universal operation without compromising performance.

Q:What customization services do you provide?

We offer full OEM/ODM customization: Custom voltage, power, and frequency; Lead wire length, type, and color; Various terminals (spade, bullet, molex, etc.); Mounting brackets and hole positions; Single/double/triple electrostatic shielding; Epoxy resin potting (IP65/IP67); Custom labeling and packaging.

Q:Are your transformers suitable for audio amplifiers?

Yes, our audio-grade transformers, with ultra-low noise, low distortion, and excellent transient response, are perfect for Hi-Fi amplifiers, preamps, and stage audio equipment.