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Category: Uncategorized

Wiring up the primary

December 22, 2020 mpegjohn

We have been asked many times how to configure our standard European primaries for a specific mains voltage. Although they…

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The very versatile PWHT01 and PWHT02 transformer

December 21, 2020 mpegjohn

The PWHT01 and the PWHT02 transformers are designed to to meet the needs of those who experiment with valves and…

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Chokes with copper gap material

October 13, 2020 mpegjohn

DC chokes, Anode (Plate) chokes and single ended output transformers require a small gap between the E’s and the I’s…

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Primary Windings ships copper mains transformers

October 3, 2020 mpegjohn

We have started to ship a series of bespoke transformers for a high end HiFi manufacturer. These beauties have bright…

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Transformer mountings – what they look like

August 16, 2018 mpegjohn

One of the things that a builder should consider is the way they  want to mount the transformer. The terminology…

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