My Guitar Notes

Off-axis miking

Pointing a microphone at an angle to the sound source rather than straight at it.

Moving a microphone off the centre of a speaker cone changes what it hears, because the edge of a cone produces less high frequency than the middle. Angling the microphone also reduces the brightness further and can help reject bleed from other instruments on a loud stage. Engineers use it as a fine adjustment, rotating the microphone a few degrees at a time while listening, rather than repositioning it completely.

Example: A microphone aimed at the edge of a speaker cone rather than its centre produces a darker, softer guitar tone.

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