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