GRAND HAVEN, MICHIGAN | SINCE 1958
Custom Transformers Built in Michigan Since 1958
Heyboer Transformers designs and manufactures single phase and three phase power transformers at two West Michigan plants, from small printed circuit units up to 30 KVA. One prototype or a production run of 100,000 or more, built to your exact specifications.
Built to your standard
- UL
- CSA
- VDE
- IEC
- CE
100% of production tested
What we build
Custom work is the whole business. Tell us the application and we build to it.
Power transformers
Single phase and three phase units, from printed circuit board size up to 30 KVA.
Prototype design and testing
Complete prototype design and product testing before your part moves to production.
High voltage and medical
Transformers for high voltage, medical, and power amplification applications.
Machine tool and control
Large machine tool and industrial control type transformers.
Tube audio
Custom tube type audio transformers, including replacement units for classic guitar amplifiers. See our guitar amp and audio transformers.
Mountings and harnesses
Custom mountings and terminations, including complete wiring harnesses.
1958
Designing and building transformers since
2
West Michigan manufacturing plants
1 to 100,000+
Order quantities we run
100%
Production line testing
TUBE AUDIO
The transformer behind the tone
Guitar and tube amp builders know the Heyboer name. We manufacture audio transformers from a manufacturer’s original design or from your own specifications, and we build newly manufactured replacement units for classic Fender, Marshall, Vox, Ampeg, and other vintage style amps.
Tell us what you need to power
One prototype or one hundred thousand units. Send your specifications and we will come back with a plan and a price.
Or call (616) 842-5830 weekdays.