Audio – tonirosendahl.com

Dynaco Mark III (2006, 202x)

14 May, 202314 May, 2023 adminAudio, Electronics, Projects

High fidelity equipment built to last. In the age of disposable consumer electronics, vintage equipment that still outperforms its modern counterparts has an particular appeal to an engineer. In the beginning of the 2000’s, I was looking to get myself […]

Tube Preamplifier (2005)

14 May, 202314 May, 2023 adminAudio, Electronics, Projects

This pre-amp started my electronics hobby, and at the time of writing this post (2023) it is still operational. The amp was made before you could buy Arduinos and affordable boost converters cheap off the online auction sites.