Design - Speakers
DS-1 | DS-2 | DS-3
Suitable for installation in solid walls and concrete ceilings thanks to an additional flush mounting enclosure. The speakers DS-1 up to DS-3 are made of aluminium treated with silver powder coating and fitted out with black front and rear covers. Infinite adjustment possibilities due to wall bar or ceiling bar with
stainless steel ball mounting kit. All speakers are very suitable for speech and music transmission. Recommended for underground railway stations, entrance halls, conference rooms, hotels, etc.
Underground references:
- KCRC underground, Hong Kong
- KCRC Light Rail Underground, Hong Kong
- MTRC underground, Hong Kong
- RET underground, Rotterdam
Datasheet [pdf] 110 kb
Technical data
| Typ | DS-1 | DS-2 | DS-3 | |
|---|---|---|---|---|
| color | silver / black | silver / black | silver / black | |
| load rating | 10W/100V | 20W/100V | 30W/100V | |
| impedance | 1000 Ω | 500 Ω | 333 Ω | |
| transformer matching | 10 / 5 / 2,5W | 20 / 10 / 5W | 30 / 15 / 7,5W | |
| sound pressure level (1W/1m) | 93dB | 95dB | 97dB | |
| max. sound pressure level (1m) | 103dB | 105dB | 107dB | |
| frequency range (-10dB) | 70-19000 Hz | 70-19000 Hz | 70-19000 Hz | |
| transmission angle | 130° | 130° | 130° | |
| dimensions (mm) | Ø 144x210 | Ø 144x210 | Ø 144x210 | |
| weatherproof versions | DS-1WP IP65 | DS-2WP IP65 | DS-3WP IP65 | |
| weight | 2,0kg | 4,0kg | 6,0kg | |
| connection | 4-core cable 1,5m | 4-core cable 1,5m | 4-core cable 1,5m |
