Signal Processors

SPL are remowned for producing highly specialised audio processing tools, and their latest product is no exception. Paul White attempts to unravel the mysteries of the Transient Designer dynamics processor.

SPL's acclaimed Vitalizer design has always been a bit harder on the wallet than other maufacturers' models — until now. Derek Johnson plugs in their new enhancer for the rest of us...

Though this Charisma has only two channels instead of eight, it's lost none of the original charm.

With so much high-end analogue processing gear using valves these days, it's easy to assume that they invariably equate to a better sound — but that's not always the case. Paul White explains.