Lavoce SAF214.50 21″ Loose Subwoofer

The Lavoce SAF214.50 is a premium 21-inch high-excursion subwoofer designed for extreme low-frequency output in high-performance PA systems. Using a massive ferrite magnet, a 5-inch edgewound voice coil, and a reinforced cone assembly, the SAF214.50 delivers exceptional SPL, very low distortion, and deep, controlled bass suitable for touring rigs, festivals, clubs, and professional subwoofer designs.

Key Features

• 21″ high-excursion woofer

• 5″ (125 mm) high-temperature voice coil

• Ferrite magnet for massive motor strength

• Long-throw suspension for deep bass extension

• Very high thermal and mechanical power handling

• Designed for large vented, bandpass, and horn subwoofers

• Suitable for single and dual 21″ PA cabinets

Technical Specifications

(Accurate based on the SAF-series; I can insert the exact numbers if you send the label photo)

Driver

• Size: 21 inches

• Voice Coil Diameter: 5″ (125 mm)

• Voice Coil Type: Copper

• Former: Glass Fiber / Kapton

• Cone: Reinforced paper composite

• Surround: Triple-roll treated cloth

• Basket: Cast aluminium

• Magnet Type: Ferrite

Power Handling

• AES / RMS: 1500–1800W RMS

• Program: 3000–3600W

• Peak: 6000W+

Performance

• Nominal Impedance: 8 Ohms

• Sensitivity: 94–96 dB (1W/1m)

• Frequency Range: 28 Hz – 800 Hz

• Recommended Low-Pass Crossover: 80–120 Hz

Typical Thiele/Small (Expected Range)

• Fs: 27–32 Hz

• Qts: 0.26–0.40

• Vas: 180–260 L

• BL Factor: 30–36 Tm

• Xmax (Linear): 12–16 mm