Eighteen Sound 12W700-8 — 12" Ferrite Woofer
The Eighteen Sound 12W700-8 is a professional 12" ferrite woofer developed for compact bass reflex cabinets and two-way systems. It combines high sensitivity, robust power handling and stable performance. The design with 64 mm voice coil, ferrite magnet and weather-protected cone provides reliable operation even under continuous load. The element is optimized for mid-bass applications where both SPL and linearity are crucial.
Technical data
- Size: 12" (310 mm outer diameter, 288 mm recessed diameter, 120 mm depth)
- Impedance: 8 ohms
- Sensitivity: 96 dB (1 W / 1 m)
- Rated power: 400 W AES, 800 W program
- Frequency range: 45–4000 Hz
- Voice coil: 64 mm copper
- Magnet: Ferrite
- Weight: ~7.0 kg
Thiele/Small parameters
Fs: 45 Hz
Qty: 0.32
Qes: 0.34
Qms: 6.0
Vase: 70 L
Sd: 530 cm²
Weight: 55 g
BL: 17 T·m
Xmax: ±6 mm
Efficiency: 3.2 %
Recommended use
- Compact two-way systems with bass reflex cabinet (40–70 L, tuned to approx. 50–60 Hz)
- Midbass applications in PA systems
- Crossover guidelines: HP 50–60 Hz, LP up to 2.5–3 kHz
- Installations where robust ferrite construction is preferred
Item no.
- Manufacturer: Eighteen Sound
- Model: 12W700-8
- Category: Cone driver / Woofer
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