Key Features
- 18″ professional subwoofer driver
- 1200W AES continuous power handling
- 8 Ohm nominal impedance
- 4″ (100 mm) copper voice coil
- High BL motor for tight and controlled bass
- Optimized ventilation for reduced power compression
- Long excursion design for extended low-frequency output
- Reinforced cone for durability in high SPL applications
- Ideal for bass reflex and horn-loaded enclosures
Technical Specifications
General
- Nominal Diameter: 460 mm (18″)
- Nominal Impedance: 8 Ω
- AES Power Handling: 1200 W
- Program Power: 2400 W
- Sensitivity (1W/1m): 96 dB
- Frequency Range: 35 Hz – 1000 Hz
Voice Coil & Magnet
- Voice Coil Diameter: 100 mm (4″)
- Winding Material: Copper
- Former Material: Fiberglass
- Magnet Type: Ferrite
Thiele/Small Parameters
- Resonance Frequency (Fs): 35 Hz
- DC Resistance (Re): 5.1 Ω
- Mechanical Q (Qms): 5.0
- Electrical Q (Qes): 0.33
- Total Q (Qts): 0.30
- Equivalent Volume (Vas): 165 L
- BL Factor: 27 T·m
- Moving Mass (Mms): 175 g
- Xmax (Linear Excursion): 13 mm
Mounting & Dimensions
- Overall Diameter: 460 mm
- Bolt Circle Diameter: 440 mm
- Cut-out Diameter: 420 mm
- Depth: 225 mm
- Net Weight: 13 kg
Shipping Information
- Shipping Weight: 14 kg
- Shipping Dimensions:
- Length: 50 cm
- Width: 50 cm
- Height: 28 cm
Product Description
The Real Sound 18RS1200 is a high-performance 18-inch low-frequency driver engineered for demanding professional audio applications. Built for extreme output and reliability, this driver is ideal for use in subwoofer enclosures for touring systems, rental companies, nightclubs, and large-scale installations.
Designed with a robust motor structure and long excursion capability, the 18RS1200 delivers deep, controlled bass with exceptional efficiency and durability. Its advanced cooling system ensures consistent performance even under continuous high power operation, making it a dependable solution for high SPL environments.









