Eighteen Sound 15NLW9500-8

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Eighteen Sound 15NLW9500-8 — 15" Neodymium LF Woofer

The Eighteen Sound 15NLW9500-8 is a high-power 15" neodymium woofer developed for extreme SPL and long-term reliability. It combines a powerful 100 mm voice coil with a vented magnet structure and lightweight cone material, providing high sensitivity and low distortion. The design is optimized for touring, PA systems and installations where maximum power and endurance are required.

Technical data

  • Size: 15" (outer diameter approx. 386 mm, recess diameter 355 mm, depth ≈210 mm)
  • Impedance: 8 ohms
  • Sensitivity: ≈96 dB (1 W / 1 m)
  • Rated power: 1200 W AES, max 2400 W continuous
  • Frequency range: 35–2000 Hz
  • Voice coil: 100 mm (4")
  • Magnet: Neodymium
  • Weight: ≈9.0 kg

Thiele/Small parameters

Fs: 35 Hz
Qty: 0.30
Qes: 0.31
Qms: 7.0
Re: 5.3 Ω
Weight: 190 g
Baffle cutout: 355 mm
Bolt circle diameter: 370 mm
Total depth: ≈210 mm

Recommended use

  • Bass and subwoofer in professional PA systems
  • Cabinet: Bass reflex or horn, 100–200 dm³
  • Crossover guidelines: HP 35–40 Hz, LP up to 1.2–1.5 kHz
  • Designed for extreme SPL and robust long-term performance

Item no.

  • Manufacturer: Eighteen Sound
  • Model: 15NLW9500-8
  • Category: Woofer / LF driver