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General| Type | High Frequency Horn |
|---|---|
| Impedance | 8 Ohms |
| Material | Aluminum |
| Throat Diameter | 1 inch |
| Dispersion | 90° horizontal x 40° vertical |
| Cutoff Frequency | 500 Hz |
| Frequency Response | 500 Hz to 16 kHz |
| Sensitivity | 110 dB |
Sectoral horn with exponential expansion and straight throat for uniform dispersion control.
For use with Altec 902, 908 series, and 731C High Frequency Drivers.
Specifies sound dispersion pattern (90° H x 40° V) and recommended crossover frequency (500 Hz).
Measured on axis at 4' with 1 watt input, rated in SPL for 0.5-3 kHz and 1.2-3 kHz.
Provides physical dimensions (Height, Width, Depth) and weight of the 511B horn.
Straight sectoral horn, cast aluminum construction, meeting specified performance criteria.
Specifies cutoff frequency, pressure sensitivity with driver, and the standard horn model.
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