AWA: Model PA872, 20w Valve PA Amplifier
AWA Model PA872 is a 20-watt Australian valve PA amplifier from the early-to-mid sixties, originally running KT66 output valves and designed for 600-ohm PA speaker lines. I already own its little brother, the AWA PA774, so I had to grab this one. Inputs / Controls: Mic level (250k), phono level (250k) and tone (1meg). … Read more
SMD RAT
There’s no getting around it, through hole components have long been on the way out and being replaced by SMD. I’ve had several clients I do board design work for either going full SMD or at least a hybrid with SMD for resistors and a few other components, and TH for caps. This RAT layout … Read more