There are actually two different flavours on offer within Blackstar’s St James amplifiers range, both available in combo and head format. One is a high-gain 6L6-powered circuit aimed at modern rock and metal, while the one we’re looking at here is the lower-gain, pedal-friendly EL34 version.
The St James amps are billed as the lightest 50-watt valve amps in the world, with a number of innovations making that possible, the most obvious being the lack of heavy mains transformer. Instead, we have a patent-pending switched-mode power supply piggybacked on the top of the main chassis, which is carefully folded for improved rigidity. Inside, miniature SMD components cohabit with