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Manufacturers Info:
Brand: Timpano
Model: TPT-DH175
Style: Driver & Slim Horn
Coverage (H x V): 60 x 60
Minimum Frequency: 1,300Hz
Throat: 1"
Mounting Type: 1-3/8"-18 TPI
Dimensions: 4.5" W x 4.5" H x 4.17" D
Additional Notes:
Inexpensive Compression Driver and Horn Combo by Timpano Audio (owned by PRV audio).
The Timpano TPT-DH175 SLIM uses a 1″ phenolic dome compression driver on a shallow 1-3/8"-18 TPI horn which is said to provide a constant 60 x 60 dispersion pattern.
Since this horn is only sold with the included compression driver I only tested the pair, no other drivers tested with this horn.
Measurements:
Measurements:
Test Notes: Off axis and polars measured using the included compression driver. Off axis measurements are smoothed to 1/24 Octave. Since this horn is symmetrical I only measured one axis.
Polar Sonogram needed to be truncated at 15kHz otherwise the off axis peak around ~17-22k would skew the 0dB point and contour lines.
Notes:
Nominal dispersion appears closer to 70-75 degrees, some waist-banding just below 5k then some narrowing before a strong off axis hot spot in the top octave.
On axis frequency response & distortion.
On axis frequency response & distortion.
On axis - measured at 1m (scaled to 2.83v), no smoothing, 4ms gate:
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