Goldwood GM-500PB

Manufacturers Info

Brand: Goldwood

Model: GM-500PB

Style: ----

Coverage (H x V): ----

Minimum Frequency: ----

Throat: 1"

Mounting Type: 1-3/8"-18 TPI

Dimensions: 15-3/16" W x 5-1/8" H x 6" D

Additional Notes:

Thanks to jvphotog for sending me this horn to test.

Celestion CDX1-1731 did not fit into the mounting threads therefore the Blast King driver used instead.

Measurements:

Test Notes: Off axis and polars measured using a Blast King Compression Driver

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 roughly 100-110 degrees but has waistbanding in the 1-2 kHz range and narrows in the top octave. Vertical is exponential and narrows to roughly 30 degrees.