Over the years there have been many different audio amplifier designs ... A nicely-done home-made project on stripboard mounted on a wooden base board, it sports a power supply, RIAA pre-amp ...

Discover the new Madison Power Amplifier from Wattson Audio — a Swiss-engineered Class A/B amp delivering rich harmonics, ultra-low distortion, and dynamic performance in a sleek, compact design.

Multiple Connect Series 704D and Connect Series 1504D amplifiers power the bowl and more.