Eighteen Sound 15W500-8

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Eighteen Sound 15W500-8 — 15" Woofer

The Eighteen Sound 15W500-8 is a classic 15" woofer with high sensitivity and robust construction. It is designed to deliver powerful bass and midbass in compact cabinets. With a 75 mm voice coil, ventilated magnet structure and carefully selected cone material, it offers stable performance and long life even under continuous load. Ideal for PA systems, monitors and installations where reliability and clear bass reproduction are required.

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: 400 W AES, max 800 W continuous
  • Frequency range: 45–4000 Hz
  • Voice coil: 75 mm (3")
  • Magnet: Ferrite
  • Weight: ≈8.0 kg

Thiele/Small parameters

Fs: 45 Hz
Qty: 0.32
Qes: 0.33
Qms: 7.0
Re: 5.3 Ω
Weight: 110 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 45–50 Hz, LP up to 3–4 kHz
  • Designed for high SPL and robust long-term performance

Item no.

  • Manufacturer: Eighteen Sound
  • Model: 15W500-8
  • Category: Woofer / LF driver