

RTX-1181/1182
The RTX-118 series consists of 2 modeІs: The 1181 & 1182, both modeІs have distinct characteristics. It has 18mm High-grade hardcore pІywood. Fitted with one transducer handІing a power of up to 1000 & 1200 Watts respectiveІy.
It is speciaІІy buiІt for smooth, cІean, and accurate Low-End response.
Large open ducts minimize port turbulence and the heavily braced enclosure assures tight and solid punch.
The RTX 118 Series from [B4] Beta Four Single18″ bass reflex subwoofer consist of three models, each with distinct characteristics & applications. RTX 118 Subwoofer compact design is equally at home as a small, high performance satellite subwoofer system or as a building block for large subwoofer arrays. Drivers handling an amazing power upto 2000 watts of continuous power. Large open ducts minimize port turbulence and the heavily braced enclosure assure tight, solid bass.
| Specification | RTX-1182 | RTX-1183 |
|---|---|---|
| System Typе | Single 18 bass reflex subwoofer | Single 18″ bass reflex subwoofer |
| Power Rating (Continuos) | 1000Watt | 1200Watt |
| Frequency Response | 36Hz-200Hz | 34Hz-200Hz |
| Sensitivity SPL 1W/1M | 98 dB | 98 dB |
| Nominal Impedance | 8Ω | 8Ω |
| Low Freq. Speaker | 2×18″ Speaker 1000 Watt, AL Frame, 4″voice coil, 220x110x25(mm) magnet | 2×18″ Speaker 1400 Watt, AL Frame, 4.5″voice coil, 220x110x25(mm) magnet |
| High Freq. Unit | N/A | N/A |
| Crossover Protection | N/A | N/A |
| Port | Free Flow Flared | Free Flow Flared |
| Input Connectors | 2x Speakon NL4 | 2x Speakon NL4 |
| Dimensions | Width (Front): 623mm (24/½” in) Width (Back): 623mm (241/2″ in) Height: 724mm (281″ in) Depth: 623mm (241/½” in) | Width (Front): 623mm (24/½” in) Width (Back): 623mm (241/2″ in) Height: 724mm (281″ in) Depth: 623mm (241/½” in) |
| Weight (Kg) | 47 Kg | 57 Kg |
◆ CONSTRUCTED OF TOP QUALITY HARDCORE PLYWOOD WITH [B4] TECHNIQUE OF HIGH QUALITY TEXTURE PAINT FINISH (RESISTANT AGAINST SPLASH OF WATER, SCRATCH AND HIGH TEMPERATURE)
◆WRAP-AROUND 16-GAUGE STEEL GRILL LINED WITH ACOUSTICALLY TRANSPARENT FOAM FOR PROTECTION AND APPEARANCE.
◆ AFFORDABLE, ADVANCED DESIGN IN ITS CLASS. DESIGNED WITH SIDE HANDLES FOR EASE OF MOBILITY AND TRANSPORTATION.