That’s where [Matthew] comes in. He’s built a foot pedal controller so his old man can change up those sweet sounds on the fly. Guitar Rig 5 has the ability to change presets with key presses.

Control is provided by an old 27 MHz RC system, with the controller’s internals transplanted into an old wah-wah guitar pedal. The non-geared motor can drive the cable much faster than required ...

This is the great 21st-century guitar rig conundrum as amp modellers have got better and a growing range of FRFR (full range, flat response) speakers have been launched to maximise their performance.