The specs for each Hammond output transformer are listed along with our own supplemental data. We have standardized the listings to make transformer selection and amp design application simpler.

This transformer information appears in print form in our book, The Ultimate Tone vol. 5, along with details of output and power transformer matching procedures.

Follow these links to transformer classes and other topics:

SE Single Ended

PP Push Pull

"Classic" Power Transformers

300-series Universal Primary Classic Transformers

"Classic" Low Power Plate & Filament Transformers

Hammond Plate Transformers

Matching Up Hammond Output and Power Transformers

...see also our London Power CUSTOM Hammond transformers, in our Kit section