Celestion H1-9040P

Manufacturers Info

Brand: Celestion

Model: H1-9040P

Style: Exponential

Coverage (H x V): 90 x 40

Minimum Frequency: ---

Throat: 1"

Mounting Type: 2/4-Bolt

Dimensions (W x H x D): 318mm x 199mm x 208mm

Additional Notes:

The Dayton H812 appears to be the same horn design as this.

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:

Exponential flare profile shown normal narrowing pattern as frequencies rise. Rated 90x40 degrees seems roughly appropriate depending on where exactly you want to define the radiation pattern.