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The Signal Transfer Company is the only source for PCBs guaranteed to comply with the power amplifier design philosophy pioneered by Douglas Self.
The crosstalk performance of preamplifiers, and the linearity of power amplifiers is often defined by the fine details of PCB layout. An apparently minor error can have dreadful effects on performance.
Our PCBs have been designed with meticulous care at every point. The board layouts are precisely the same as those approved by Douglas Self when his famous series of articles appeared. You can therefore be confident that in some respects at least, proper operation is "built-in".
We supply the finest quality fibreglass PCBs, single or double-sided as appropriate. All boards have a full solder mask, roller-tinned pads, and a silk-screen component layout.
Each PCB is supplied with extensive constructional notes, previously unpublished information about the design, and a detailed parts list to make ordering components simple. A range of kits of parts to build our PCBs is now available: kits contain all parts including machined heatsink coupling plates for the power amplifiers.
