The 20 W speaker is equipped with a 130 mm full-range speaker and a 100 V line transformer with 4 power settings.
Additional reliability is provided by a 2-pole ceramic block and a thermal fuse in a junction box and the speaker chassis is impregnated against moisture.
The speaker is also protected against the risks of environmental influences with the high protection class IP 65. The loudspeaker complies with British Standard BS 5839, Part 8.
| Rated load capacity | 20/15/10/5 W |
|---|---|
| Impedance (100 V) | 500/667/1000/2000 Ohm |
| Transmission range | 800 - 16,700 Hz |
| Frequency response | 150 - 20,000 Hz |
| Sound pressure level | 92.0 dB (IEC268-5, 1 W/1 m) |
| O/P-FG | 92.3 dB (EN54-24, 1W/1m) 80.3 dB (EN54-24, 1W/4m) |
| Opening angle | Opening angle -6dB, 500Hz: h/v 360° Opening angle -6dB, 1KHz: h/v 210° Opening angle -6dB, 2KHz: h/v 105° Opening angle -6dB, 4KHz: h/v 55° |
| Dimensions | 140 x 163 mm |
| Protection class | IP 65 |
| Weight | 2.52 kg (net) |
| Temperature resistance | -25 C° / +70 C° |
| Fastening | Mounting bracket |
| Connection | 2-pole ceramic terminal |
| Clamp diameter | 3.2 mm |
| Max. Cable entry | 8 mm² |
| Color | RAL 9010 |
