Also known as coincident pair, a method of stereo recording using a stereo microphone, or two separate microphones, placed so that the microphone diaphragms occupy approximately the same point in space. Normally, the microphones are angled apart and mounted one directly above the other.
X-Y PAIR
Meaning of X-Y PAIR in English
Guitar English glossary. Английский словарь гитарных терминов . 2012