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Manufacturers Info
Brand: Pi
Model: H290C
Style: Constant Directivity
Coverage (H x V): 90 x 40
Minimum Frequency: ---
Throat: 1"
Mounting Type: 2-Bolt
Dimensions (W x H x D): 11-5/8" x 6-9/16" x 5-7/8"
Additional Notes:
Horn designed by Wayne Parham for Pi speakers.
Correction - Initially I had posted that these were manufactured by Eminence which was incorrect. Wayne informed me that the connection to Eminence was that these were designed to fit physically as a drop in replacement to the existing Eminence H290 bi-radial horn.
Measurements:
Measurements:
Test Notes: Off axis and polars measured using a Celestion CDX1-1731
Mic distance 1m, measurements gated at 4.5ms 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 coverage is fairly even from just above 2 kHz through 14 kHz at roughly the rated 90 degrees, some waist-banding centered at 2 kHz. Vertical coverage follows narrowing pattern which evens out in the top octave at 30 degrees.
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