Signal Processors

The 1973 version two Big Muff Pi — with a ram's head printed on the casework — was used on so many classic records that EHX have decided to bring it back.

These audio examples accompany our Kemper Profiler Stage review from SOS December 2019.

Kemper finally have a floorboard version of their groundbreaking Profiling Amplifier. Has it been worth the wait?

Building on Avid’s Eleven Rack technology, this new hardware amp modeller promises to combine great sound with ease of use.

While an overdrive pedal might not seem like an obvious studio accessory I’ve often found that using an analogue overdrive pedal before a software modelling amp/speaker produces more musical results.