Author

Raalte Steven van

Appears in:

Raalte Steven van

Steven van Raalte was born in Leeuwarden, The Netherlands, in 1959. At the age of 10 he built his first transistor kit radio with OC13 germanium transistors (Philips Pionier II), an experience that started his addiction to audio electronics. During secondary school he subscribed to several electronics magazines (Radio Bulletin, Elektuur, Funkschau, Wireless World) and taught himself to repair and build radios and (guitar) amplifiers, both tube and transistor. From 1977 to 1983 he studied electronics and graduated with honors on the design of an audio power amplifier with error correction. He then went to work for Philips Electronics as an integrated circuit designer for television picture tube deflection. After a few years he moved to their professional audio division and was involved in the development of several public address and conference systems, from simple analog to complex networked digital versions. Bosch Security Systems acquired this division in 2002. He is now product manager for public address and emergency sound systems at Bosch. He is a 30-year member of the Audio Engineering Society and currently chairman of its Dutch section. Since 2003 he is also active on diyaudio.com (user name ‘Steven’), but less so lately because it eats time. During business trips to China, Steven collected several nice Chinese tube amplifiers and is busy now improving them.

Written articles
Correcting Transducer Response with an Inverse Resonance Filter

Steven van Raalte set out to combat the resonance in phono cartridges. Manufacturers often rely on this resonance to compensate for the hf roll off caused by cartridge induction and load impedance...