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Manufacturers Info
Brand: LaVoce
Model: HD1403
Style: Constant Directivity
Coverage (H x V): 80 x 60
Minimum Frequency: 900 Hz
Throat: 1.4"
Mounting Type: 4-bolt
Dimensions: 290mm x 290mm x 131mm
Additional Notes:
Funds for this horn kindly provided by MDuyck1292
Measurements:
Measurements:
Test Notes: Off axis and polars measured using a LaVoce DF14.30T
Mic distance 1m, measurements gated at 5ms and are smoothed at 1/48 Octave.
Horizontal:
Vertical:
Raw Horizontal Off Axis Response
Raw Vertical Off Axis Response
Horizontal Off Axis Response - Normalized to On Axis
Vertical Off Axis Response - Normalized to On Axis
Horizontal Polar Response - Normalized to On Axis
-6dB Coverage Angle Highlighted
Vertical Polar Response - Normalized to On Axis
-6dB Coverage Angle Highlighted
Final Notes:
Horizontal Dispersion appears fairly close if just a tad more then the rated 80 degrees. Vertical is close to the rated 60 degrees but widens at the lower octaves. Horizontal exhibits a bit of waistbanding just below 2 kHz similar to the B&C ME90 and the Clone ME90 which are somewhat close in size and shape.
Top octave dispersion is determined largely by driver design and throat match-up.
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