Eighteen Sound 12ND930-8 — 12" Neodymium Woofer
The Eighteen Sound 12ND930-8 is a professional 12" neodymium woofer developed for compact bass reflex cabinets and two-way systems. It combines high sensitivity, low weight and robust power handling. The design with 75 mm voice coil, powerful neodymium magnet and weather-protected cone provides reliable operation even under continuous load. The element is optimized for mid-bass applications where SPL, linearity and portability are crucial.
Technical data
- Size: 12" (310 mm outer diameter, 288 mm recessed diameter, 135 mm depth)
- Impedance: 8 ohms
- Sensitivity: 98 dB (1 W / 1 m)
- Rated power: 500 W AES, 1000 W program
- Frequency range: 50–4000 Hz
- Voice coil: 75 mm copper, ISV technology
- Magnet: Neodymium
- Weight: ~6.0 kg
Thiele/Small parameters
Fs: 50 Hz
Qty: 0.28
Qes: 0.30
Qms: 6.2
Vase: 65 L
Sd: 530 cm²
Weight: 72 g
BL: 20 T·m
Xmax: ±7 mm
Efficiency: 3.5 %
Recommended use
- Compact two-way systems with bass reflex cabinet (40–70 L, tuned to approx. 55–65 Hz)
- Midbass applications in PA systems
- Crossover guidelines: HP 50–60 Hz, LP up to 2.5–3.5 kHz
- Installations where low weight and high SPL are preferred
Item no.
- Manufacturer: Eighteen Sound
- Model: 12ND930-8
- Category: Cone driver / Woofer
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