This is an attempt to capture the evolution and history of Marshall amps, covering the period from the release of the JTM45 in 1962, up to the release of the JVM series in the late 2000s. This is work-in-progress, feel free to suggest corrections and ways to extend the diagram …

A very common debate topic between guitar enthusiasts is the impact of capacitor types on the perceived tone. There's at least two cohorts of guitar enthusiasts. In the first one, they believe that only the capacitance (its size, in Farads) of the capacitor has impact on the frequency response and …