Urmah Pro 218 passive subwoofer with 18 Sound 2 x 18-inch drivers
Description
The VMR AUDIO URMAH PRO 218 is a professional passive subwoofer fitted with two 18-inch 18 Sound speakers, designed in Italy for sound reinforcement applications that demand high power, low-frequency reproduction and reliability under tough working conditions.
Built with 18 Sound components, this subwoofer is designed to deliver consistent performance, high power handling and bass reproduction with clarity and control. Its dual 18-inch speaker configuration allows it to work in professional sound systems for events, shows and live audio applications.
The transducers feature a 100 mm (4") Tetracoil dual voice coil, designed to withstand high power levels. Its ultra-linear suspension contributes to accurate reproduction, while the low-noise forced-air cooling system helps control temperature during operation.
The URMAH PRO 218 is a solution for sound companies, integrators and professionals looking for a dual 18" passive subwoofer with professional-grade components, high power and reliability for sound reinforcement applications.
- TS parameters
- Equivalent suspension volume (Vas): 185 liters (6.53 ft³)
- Voice coil inductance at 1 kHz (Le): 1.80 mH
Specifications
| Code | URMAH-PRO-218 |
|---|---|
| Type | Professional passive subwoofer |
| Design | Designed in Italy |
| Components | 2 18 Sound 18-inch speakers |
| Nominal diameter | 460 mm (18 inches) |
| Nominal impedance | 8 ohms |
| AES power | 1800 W |
| Program power | 3600 W |
| Peak power | 10000 W |
| Sensitivity | 95 dB |
| Frequency range | 30–2000 Hz |
| Resonant frequency (Fs) | 33 Hz |
| Electrical resistance (Re) | 4.6 ohms |
| Air displacement (Sd) | 0.1225 m² (189.88 in²) |
| Mechanical quality factor (Qms) | 13.00 |
| Electrical quality factor (Qes) | 0.42 |
| Total quality factor (Qts) | 0.41 |
| Moving mass (Mms) | 266 g (0.59 lb) |
| Force factor (BL) | 24.5 Tm |
| Maximum linear excursion (Xmax) | ±12 mm (±0.47 in) |
| Reference efficiency (1 W/1 m) | 94.0 dB |
| Warranty | 1 year |
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