D-225

Manufacturers Info

Brand: ---

Model: D-225

Style: ---

Coverage (H x V): -- x --

Minimum Frequency: ---Hz

Throat: 1.4"

Mounting Type: 4-bolt

Dimensions (W x H x D): 227mm x 227mm x 162mm

Additional Notes:

1.4" horn purchased off Aliexpress.

Measurements:

Test Notes: Off axis and polars measured using an Eminence N314X

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:

Appears to be constant directivity in the horizontal axis at least, vertical directivity is a little more uneven. I'd put nominal coverage pattern at ~90 x 60.

Top octave dispersion is determined largely by driver design and throat match-up.