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Manufacturers Info
Brand: Denovo
Model: OS-77S
Style: Oblate Spheroidal
Coverage: ----
Minimum Frequency: 2000 Hz
Throat: 1"
Mounting Type: 1-3/8"-18 TPI
Dimensions: 7.8" W x 7.8" H x 3.6" D
Additional Notes:
Symmetrical waveguide, only tested on the single axis.
Previously known as the DW-774S
Measurements:
Measurements:
Test Notes: Off axis and polars measured using a Celestion CDX1-1731
Mic distance 1m, measurements gated at 5ms and are smoothed at 1/48 Octave.
Raw Off Axis Response
Horizontal Off Axis Response - Normalized to On Axis
Polar Response - Normalized to On Axis
-6dB Coverage Angle Highlighted
Final Notes:
Dispersion pattern of this waveguide appears to be roughly 75-80 degrees. Slight narrowing in the pattern towards the high frequencies/widening towards the bottom.
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