Do you have a question about the Altec Lansing MR931-12 HF HORN and is the answer not in the manual?
High frequency horn with excellent directivity control from 1500 Hz to 20,000 Hz.
110° nominal from 2000 Hz to 16 kHz.
60° nominal from 2000 Hz to 16 kHz.
2000 Hz for optimal performance.
Measured on-axis 4' with 1 watt (Exl) pink noise.
Detailed performance criteria including dispersion, response, and sensitivity.
| Sensitivity | 108dB |
|---|---|
| Impedance | 8 Ohms |
| Throat Diameter | 1 inch |
| Dispersion | 90° x 40° |
| Type | HF Horn |









