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Gainphile R16

Click on links for full set of plots.

Horizontal directivity plots

Gainphile R16 H Contour Plot

Full horizontal contour plot

Directivity index plots

Gainphile R16 Horizontal DI Plot

Horizontal plane directivity index plot

Constant directivity metrics plots

Gainphile R16 Horizontal Polar XCorr Plot

Full horizontal NACC plot

Measurement notes:

  1. Date performed: 11 September 2015
  2. Nominal measurement distance: 1.6 meters
  3. Transducer type: three-way dynamic
  4. Exponential sine sweep settings:
    • Frequency range: 20 Hz to 48 kHz
    • Duration: 5 seconds
  5. Impulse response window settings:
    • Type: Tukey (cosine fade-in, flat, cosine fade-out)
    • Duration: (0.5, 3, 0.5) msec
  6. Frequency resolution: 250 Hz
  7. Spectral smoothing: 1/24th octave
  8. Directivity index averaging range: 500 Hz to 20 kHz
  9. Alignment: Axis of rotation through high-frequency driver, 11 cm behind front face.
  10. Additional notes: None.