Embedded Files
Manufacturers Info
Brand: Goldwood
Model: GT-400PB
Style: ----
Coverage (H x V): ----
Minimum Frequency: ----
Throat: 1"
Mounting Type: 1-3/8"-18 TPI
Dimensions: 10-7/16" W x 4-3/8" H
Additional Notes:
Thanks to jvphotog for sending me this horn to test.
Horn mold must have had poor cleanup and left excess plastic in the throat. The entrance is also nearly square instead of round.
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 very uneven and I don't even know what I would rate it as 90 degrees? Vertical shows exponential style pattern and narrows to roughly 30 degrees.
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