Eighteen Sound 15ND830-8

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Eighteen Sound 15ND830-8 — 15" Neodymium Woofer

The Eighteen Sound 15ND830-8 is a professional 15" neodymium woofer developed for high SPL and low distortion. It combines a powerful 100 mm voice coil with a lightweight yet rigid cone, providing high sensitivity and reliable performance even under prolonged load. The neodymium motor and vented magnet structure design ensures low compression and stable operation in demanding PA environments.

Technical data

  • Size: 15" (outer diameter approx. 386 mm, recess diameter 355 mm, depth ≈170 mm)
  • Impedance: 8 ohms
  • Sensitivity: ≈98 dB (1 W / 1 m)
  • Rated power: 600 W AES, max 1200 W continuous
  • Frequency range: 40–2000 Hz
  • Voice coil: 100 mm (4")
  • Magnet: Neodymium
  • Weight: ≈6.5 kg

Thiele/Small parameters

Fs: 40 Hz
Qty: 0.32
Qes: 0.34
Qms: 6.5
Re: 5.3 Ω
Weight: 135 g
Baffle cutout: 355 mm
Bolt circle diameter: 370 mm
Total depth: ≈170 mm

Recommended use

  • Bass and midbass in professional PA systems
  • Cabinet: Bass reflex or horn, 80–150 dm³
  • Crossover guidelines: HP 40–50 Hz, LP up to 1.5–2 kHz
  • Designed for high SPL and robust long-term performance

Item no.

  • Manufacturer: Eighteen Sound
  • Model: 15ND830-8
  • Category: Woofer / LF driver