The Signal Transfer Company

 

The Signal Transfer Company is the only source for PCBs guaranteed to comply with the preamp and power amplifier design philosophies pioneered by Douglas Self

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Shown above is the Class-G power amplifier, combining improved efficiency with first-class performance. The design is described in detail by Doug Self in Chapter 19. The following PCBs are available:

The Compact Class B power amplifier – Blameless performance in a small space

The Load-Invariant power amplifier – very low distortion into heavy loads

The Trimodal power amplifier – ultra-low distortion Class-A, switchable to Class-B

The Class-G power amplifier ...

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