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Calcimator

Microphone Placement Calculator

Calculate mic spacing using the 3:1 rule and stereo pair configurations.

Inputs

ft
°

Results

3:1 Rule Distance

3 ft

Spaced Pair Distance2 ft
ORTF Spacing17 cm
X/Y Capsule Angle90°
Min Multi-Mic Spacing3 ft
Direct To Reverb Ratio1%
How to Use This Calculator
  1. Enter Source Distance, Number of Mics, and Desired Stereo Width.
  2. Review the 3:1 Rule Distance (ft) result.
  3. Use Spaced Pair Distance (ft) and ORTF Spacing (cm) to inform your decision.
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