Overview
Stancor Electronics, Inc. was the later corporate identity of Chicago Standard Transformer Corporation, a major American manufacturer of transformers and electronic components. The company was widely recognized through its “Stancor” brand, which became highly respected within the radio, television, amateur radio, industrial electronics, and audio industries.
Stancor products were commonly used in vacuum tube equipment, communications transmitters, public address systems, test equipment, and television receivers. The company’s transformer catalogs and engineering manuals became standard technical references for electronics technicians and radio amateurs throughout the mid-20th century.
Technical Specifications
| Item | Details |
|---|---|
| Company Name | Stancor Electronics, Inc. |
| Former Name | Chicago Standard Transformer Corporation |
| Brand Name | Stancor |
| Industry | Electronic component manufacturing |
| Products | Power transformers, audio transformers, chokes, reactors, power supplies |
| Country | United States |
| Headquarters | Chicago, Illinois |
| Main Markets | Radio, television, amateur radio, industrial electronics, audio |
Description
Stancor Electronics manufactured a broad line of magnetic and power-related electronic components including:
- Power transformers
- Audio transformers
- Modulation transformers
- Isolation transformers
- Filter chokes
- Television replacement transformers
- Industrial magnetic devices
The company served both original equipment manufacturers and the electronics replacement market. Stancor transformers were frequently distributed through electronics parts suppliers, service distributors, and amateur radio dealers.
The company was especially well known for producing rugged transformers suitable for:
- Tube amplifiers
- Amateur radio transmitters
- Public address systems
- Broadcast equipment
- Television servicing
- Electronic laboratory equipment
Stancor engineering manuals and transformer application books provided detailed specifications, wiring diagrams, and circuit examples used widely by service technicians and experimenters.
Historical Timeline
| Year | Event |
|---|---|
| 1930s | Chicago Standard Transformer Corporation established |
| Late 1930s | “Stancor” branding became widely used |
| 1940s | Expanded manufacturing during wartime electronics production |
| 1950s | Major supplier to radio and television service industries |
| Early 1960s | Corporate name changed to Stancor Electronics, Inc. |
| 1960s | Became associated with Essex Wire Corporation |
| 1970s | Operated under Essex International ownership |
Historical Addresses
| Address | Notes |
|---|---|
| Addison & Elston Streets, Chicago, Illinois | Early company location |
| 3501 West Addison Street, Chicago 18, Illinois | Main Stancor Electronics headquarters and manufacturing facility |
References
- https://www.radiomuseum.org/dsp_hersteller_detail.cfm?company_id=7795
Historical company information and manufacturer profile for Stancor Electronics. - https://clockhistory.com/1/document/list-company/stancor
Archive containing historical Stancor catalogs and technical documents. - https://bunkerofdoom.com/xfm/
Archive of vintage transformer catalogs and engineering manuals including Stancor material. - https://www.stancor.com/
Current Stancor corporate website. - https://www.preservationsound.com/stancor-amplifiers-and-full-transformer-data-c-1937/
Historical Stancor transformer and amplifier data archive.