Spatial variability of timbre for an electric guitar amplifier

Impulse response measurements of an electric guitar amplifier at high spatial resolution reveal frequency response variabilities likely to drive key elements of timbre for the recording engineer. Data collection from the very near field of the driver to a distance of several feet away, gathered in a three-dimensional grid around the open-backed, single-driver, Fender Deluxe electric guitar amplifier quantify the variations in frequency response which may be exploited by the recording engineer using microphone placement to influence timbre.