Blackstar has fully engaged beast mode with the unveiling of its new four-channel flagship tube amplifier, the St James 100 – a feature-packed 100-watt monster that arrives as a 2x12 combo and ...

Not only that, the new unit offers switchable and mixable tubes [or ‘valves’, in UK amp parlance - Ed], and comes equipped with both 6L6 and EL34 tubes that can be mix-and-matched to harness ...