Real Sound 18RS1500 18″ Loose Subwoofer Speaker

Key Features

• 18″ professional subwoofer driver
• 1500W AES continuous power handling
• 8 Ohm impedance
• 4″ (100 mm) copper voice coil
• High BL motor for tight bass control
• Optimized ventilation for reduced thermal compression
• Durable cone and suspension design
• Ideal for bass reflex and horn-loaded enclosures

Technical Specifications

General

• Nominal Diameter: 460 mm (18″)
• Nominal Impedance: 8 Ω
• AES Power Handling: 1500 W
• Program Power: 3000 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): 160 L
• BL Factor: 26 T·m
• Moving Mass (Mms): 170 g
• Xmax (Linear Excursion): 12 mm

Mounting & Dimensions

• Overall Diameter: 460 mm
• Bolt Circle Diameter: 440 mm
• Cut-out Diameter: 420 mm
• Depth: 220 mm
• Net Weight: 12.5 kg

Shipping Information

• Shipping Weight: 13.5 kg
• Shipping Dimensions:

  • Length: 50 cm
  • Width: 50 cm
  • Height: 28 cm

The Real Sound 18RS1500 is a high-output 18-inch low-frequency driver engineered for professional subwoofer systems requiring both power and precision. Designed to handle demanding environments, it delivers deep, punchy bass with excellent control and reliability.

With a powerful motor structure, 4″ voice coil, and advanced cooling system, the 18RS1500 maintains consistent performance under continuous high power operation. It is perfectly suited for touring systems, rental applications, nightclubs, and large installations where high SPL and durability are critical.