Triad Magnetics
TAMURA Corporation
S.G. Smallwood Inc.
Radio Design Labs
Pico Electronics
Pacific Transformer
Manutech, Inc.
Lundahl Transformers AB
Lenco Electronics, Inc.
Inglot Electronics Corp.
Hammond Manufacturing Ltd.
Electronic Craftsmen

15 Audio Transformer Manufacturers in 2024

This section provides an overview for audio transformers as well as their applications and principles. Also, please take a look at the list of 15 audio transformer manufacturers and their company rankings. Here are the top-ranked audio transformer companies as of March, 2024: 1.TAMURA Corporation, 2.S.G. Smallwood Inc., 3.Triad Magnetics.

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List of 15 Audio Transformer Manufacturers

*Including some distributors, etc.

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  • United States of America
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    • Allied Components International
      • United States of America Address: 19671 Descartes, Foothill Ranch, California, United States of America

      Manufacturer Overview

      Allied Components International was founded in 1992 and is based in Foothill Ranch, California is a manufacturer of electronic, magnetic components & modules that have applications in various industries. The company provides LAN magnetics, SMD power chip inductors, line filters, current sensing transformers, and wire-wound & air core inductors, along with multilayer & thin film inductors, standard & custom transformers, common mode chokes, RJ45 connectors, and ferrite beads. They are an ISO 9001: 2015 registered company and their products have applications in the networking, telecommunications, test equipment, and power conversion industries.

    • Inglot Electronics Corp.
      • United States of America Address: 4878 N Elston Ave, Chicago, Illinois, United States of America

      Manufacturer Overview

      Inglot Electronics Corp., established in 1964, and headquartered in Chicago, Illinois, is a manufacturer and supplier of miniature toroids and electromagnetic components. They design and produce electromagnetic components such as miniature toroids, switch-mode magnetics, high and low-frequency power chokes, and linear transformers used in power conversion equipment, covering the power conversion spectrum from surface mounts to large isolation transformers. Their services include design engineering, paper section layer winding, and prototype testing. Inglot Electronics Corp. holds ISO 9001 certification, and also provides data reporting and barcoding, upon request.

    • Lenco Electronics, Inc.
      • United States of America Address: 1330 S. Belden St., McHenry, Illinois, United States of America

      Manufacturer Overview

      Lenco Electronics, Inc., Since 1973, is a manufacturer custom inductors and transformers such as PCB transformers, constant voltage, autotransformers, and custom transformers. The company also provides NEMA 1 enclosures with removable panels and knockout holes to make electrical connections simple. The McHenry, Illinois-based company services the power production and distribution, electronics, telecommunications, automotive, and electronics industries, and it is a member of the Transformer Association. The business's impregnation area is equipped with three walk-in ovens for the labor-intensive curing process as well as impregnation tanks for vacuum Epoxy and varnish.

    • Manutech, Inc.
      • United States of America Address: 7901 NW 67th Street Miami, Florida, United States of America

      Manufacturer Overview

      Established in 1984, Manutech, Inc. is a US-based manufacturer specializing in precision industrial machinery. The company designs and produces advanced machinery and equipment for various industries. With a foundation dating back to its establishment, Manutech, Inc. engineers solutions. Their products range from automated assembly systems to specialized manufacturing equipment, serving industries like automotive, electronics, and aerospace. Manutech, Inc.'s devotion to excellence is evident in their machinery, tailored to enhance operational efficiency. Examples include robotic assembly systems for automotive production and precision manufacturing equipment for electronics.

    • Pacific Transformer
      • United States of America Address: 5399 East Hunter Avenue, Anaheim, California, United States of America

      Manufacturer Overview

      Pacific Transformer is a manufacturer and supplier of custom transformers and inductors. Based in California, USA, they are designing and manufacturing power transformers, isolation transformers, autotransformers, and other magnetic components for various industries. Established in 1981, they offer a wide range of products designed for applications such as power distribution, renewable energy, industrial automation, medical equipment, and more. One of their products is Inductors and Chokes, used for energy storage, filtering, and inductive load applications. They are commonly found in power supplies, audio systems, and electronic circuits.

    • Triad Magnetics
      • United States of America Address: 460 Harley Knox Blvd. Perris, California, United States of America

      Manufacturer Overview

      Tried Magnetics was founded in the 1940s and is based in Perris, California. The ISO 9001:2015-certified company serves industrial equipment, renewable energy, medical equipment, and other industries as a manufacturer of components using standard and custom magnetic components including transformers, power supplies, and inductors. The company’s custom magnetics division encompasses power and audio transformers, chokes, and power supplies used across industries. The company’s engineering development kits and design sample kits include a sampling of power ranges, sizes, and packaging styles within specific product lines to assist customers in choosing final designs for prototyping.

    • Pico Electronics
      • United States of America Address: 143 Sparks Avenue Pelham, New York, United States of America

      Manufacturer Overview

      Pico Electronics was founded in 1967 and is headquartered in Pelham, New York. Pico is a developer of miniature and ultra-miniature electronics used in aerospace, power generation, and military applications. The company specializes in miniature transformers and inductors designed to work in extreme temperature environments ranging from -55°C to +85°C (-67°F to +185°F). Pico Electronics also specializes in continued miniaturization. Other product listings include DC-DC converters, AC-DC power supplies, and power factor-corrected modules. The company also produces QPL MIL Spec products to military grade specifications such as transformers and inductors.

    • Coilcraft Inc.
      • United States of America Address: 1102 Silver Lake Road, Cary, Illinois, United States of America

      Company Overview

      Coilcraft was founded in 1945 and is headquartered in Cary, Illinois. The company is a designer, manufacturer, and distributor of high-performance magnetic components for industries including automotive and computing. The company’s standard products include power devices such as inductors, RF devices, transformers, and EMI components. The company’s automotive division offers transformers, inductors, chokes, and filters operation down to -40 degrees. The company also offers design tools to help customers understand the correct product for their needs and optimum system operational parameters.

      • China Address: 706 HUAFAXIEZILOU , HUAFA NORTH ROAD ,GONGMING ST., GUANGMING DISTRICT , SHEN ZHEN, China

      Manufacturer Overview

      Shareway Technology Co. Ltd is a Chinese manufacturer of power over ethernet (PoE) components that was established in 1997 in Shenzhen, Guangdong. The company’s product lineup includes PoE jacks for data transmission or power supply, PoE transformers for converting input voltages, PoE LAN transformers for isolating data from power signals, and PoE LAN filters for reducing common as well as differential mode noise. The company’s products are used primarily by clients in the power supply, networking, communication, and consumer electronics industries.

    • S.G. Smallwood Inc.
      • Canada Address: 699 Wabanaki Drive Kitchener, Ontario, Canada

      Manufacturer Overview

      S.G. Smallwood Inc. (SGS) is a Canadian contract manufacturer specializing in custom transformers and related assemblies that was established in Kitchener, Ontario in 1945. The company offers a range of specialized capabilities, including design, engineering, precision linear winding, precision toroidal winding and layer winding services. These are utilized to produce transformers, windings, inductors, and assemblies according to customer specifications. SGS mainly serves clients in the power supply, consumer electronics, audio equipment, and telecommunications sectors.

    • Electronic Craftsmen
      • Canada Address: 73 Schaefer Street Waterloo, Ontario, Canada

      Manufacturer Overview

      Electronic Craftsmen is a Canadian custom manufacturer specializing in inductors and transformers that was originally founded in 1956 as E Craftsmen Corporation. From their 23,000 sq ft facility in Waterloo, Ontario, the company produces various custom magnetics including power, toroidal, and flyback transformers, common and differential mode chokes, and filter inductors. These are used by clients in the renewable energy, aviation, and industrial manufacturing sectors. Electronic Craftsmen has an onsite machine shop from which it provides additional services for customer projects, such as engineering, encapsulation, prototyping, and testing.

    • TAMURA Corporation
      • Japan Address: 1-19-43 Higashi-Oizumi Nerima-ku,, Tokyo, Japan

      Manufacturer Overview

      Tamura Corporation was founded in 1924 in Tokyo, Japan as Tamura Radio Store, making it one of Japan’s oldest electronics companies. Today the company serves the semiconductor, audio consumer appliance, power distribution, and other industries as a developer and manufacturer. The company’s Electronic Component segment has eight categories, among them, transformers, reactors, vacuum tube type power supply transformers, current sensors, and AC adaptors. The company’s Information Equipment segment has 3 subcategories including broadcast studio systems, communication systems, and network systems.

    • Radio Design Labs

      Manufacturer Overview

      Radio Design Labs was founded in 1986 and is based in Carpinteria, California, United States is a manufacturer of video & audio control modules, and application-specific modules that perform a particular electronic function or do a specific job in various industrial sectors. The company provides amplifiers, speakers, microphones, signal generators, and meters, along with crossover filters, power supplies, connector plates, and remote control systems that have applications in communication, education, healthcare, hospitality, and security sectors. They also offer automatic mixing systems, distributed audio, prioritized source selection, and switching & control services for Government, Defense, Home Theatre, and, Entertainment industries.

    • Hammond Manufacturing Ltd.
      • Canada Address: 394 Edinburgh Rd North, Guelph, Ontario, Canada

      Company Overview

      Hammond Manufacturing Ltd is a manufacturer of transformers, racks, and enclosures. The company is based in Guelph, Ontario, Canada since 1917. Hammond Manufacturing's range of products includes racks and cabinets, electrical and electronic enclosures, power bars, and low-voltage transformers. They also manufacture general accessories such as door clamping and mounting hardware. The company provides product customization services and technical support to electronic and electrical manufacturers, utilities, and institutions through its global network of distributors and agents.

    • Lundahl Transformers AB
      • Sweden Address: Tibeliusgatan 7, Norrtälje, Sweden

      Company Overview

      Lundahl Transformers, established in Stockholm, Sweden, in 1958, is a manufacturer engaged in transformers for audio applications, video (CCTV) applications and pulse transformers. The company uses their own machines in the factory and software to design custom made machines for the customers. Their product range includes pro audio, audiophile equipment, video transformers and accessories. The company has distributors all around the world and their factory uses renewable energy to reduce greenhouse gases in the atmosphere.

Audio Transformer Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the audio transformer page as of March 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. TAMURA Corporation: 4,576
  2. Hammond Manufacturing Ltd.: 700

Newly Established Company

  1. Shareway Technology Co., LTD,: 1997 (27 years ago)
  2. Allied Components International: 1992 (32 years ago)
  3. Radio Design Labs: 1986 (38 years ago)

Company with a History

  1. Hammond Manufacturing Ltd.: 1916 (108 years ago)
  2. S.G. Smallwood Inc.: 1945 (79 years ago)
  3. Coilcraft Inc.: 1945 (79 years ago)

Audio Transformer Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Audio Transformer Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 8 57.1%
Canada Canada 3 21.4%
China China 1 7.1%
Japan Japan 1 7.1%
Sweden Sweden 1 7.1%

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