ABSTRACT
On one level the transformer is a very straightforward device, and yet transformers can also represent a complex topic requiring much know how and a significant amount of analysis in order to specify and deploy them effectively. Transformers operate on the same basic principle, except that here the conductor remains stationary while the field itself moves (by growing and diminishing as the signal in the primary winding varies). The practicalities of designing and building a high quality transformer are much more complex than the details which are examined. In pro-audio circuit design the selection of the best transformer for a particular job can involve a lengthy and detailed analysis. Lo-fi audio transformers suitable for experimentation and use in DIY projects can on the other hand be bought quite cheaply from the major online electronics component distributors.
