About us


Santiago Engineering Design ltd (SED) has been founded by Santiago Alvarez, MSc. Electronics Engineer, a well renowned designer engineer in the audio field.

With more than 16 years of professional experience and 10 more as hobbyist and semi-pro, Santiago has designed guitar amplifier for players like Joe Satriani, Slash, Yngwie Malmsteen and Kerry King plus worked with several others as well.

He has also created some of the most awarded and successful guitar amplifiers and analogue mixers and has designed over 200 products mass produced and sold all over the world by quantities over hundreds of thousands.

Apart from working in the audio field, Santiago has designed bespoke instrumentation and control systems for research laboratories including thermocouple, PTC, NTC, L/RVDT, etc. signal conditioning, USB data acquisition hardware and diverse control systems.