WLA-121SUB WLA-121SUB - 21" Passive Subwoofer to suit Hybrid Curvature Array - 32000W Programme with 4.0" Quattro LF Voice coil, 147 dB system peak SPL 21″ Beyma driver 1600 W Continuous 3200 W Programme 6400 W Peak 4.0″ Quattro LF voice coil (4 layers) 147 dB System Peak SPL 21". YES - REALLY! The 21″ subwoofer driver is manufactured by Beyma in Europe. Extreme features… for extreme (and controllable) sub sound pressure levels. SPECIFICATIONS Model Name WLA-121SUB Design Subwoofer System Type 21″ Subwoofer Configuration Single Subwoofer Frequency Response (+/-3 dB) 25 Hz – 100Hz Frequency Range (- 10 dB) 18 Hz – 125 Hz Sensitivity 2.83 V/1 m 103 dB* Calculated Maximum SPL @ 1 m 141 dB* System Peak SPL 147 dB** System Rated Impedance 4 Ω * level at 1 m under half space conditions using pink noise with crest factor 2, with dedicated preset. ** level at 1 m under half space conditions using pink noise with crest factor 4, with dedicated preset. Low Frequency Transducer Size 545 mm / 21″ Voice Coil Size 101.6 mm / 4.0″ QUATTRO (4 layers) LF Frame Material Aluminium High Frequency Transducer HF Driver Type / Coil Size (mm / inches) / Exit Size (mm / inches) / Diaphragm Material / Waveguide Type / Nominal Coverage (HxV) / Special Features Aluminium demodulating ring Waterproof LF cone Malt Cross® TCS Power (AES2) System Continuous Power (W) 1600 System Programme Power (W) 3200 System Peak Power (W) 6400 Crossover Frequency 100 Hz Recommended HPF = BW 18 dB/oct. 20 Hz Input Connector 2 x speakON compatible Rigging & Hardware: 3 points for rigging Vertical Splay angle range: / Horizontal Splay angle / Optional Accessories WLA-1 Common Fly Frame Optional Accessories – Stand pole: M20 Pole mount Handles: 2 side （4 pcs) Enclosure Cabinet Type Rectangular Enclosure Material and finish 18 mm plywood / Rhino Rock Colour Black paint Grille Material & Finish Powder coated perforated steel Dimensions – Unpacked: Height Front 820 mm / 32.3″ Height Rear / Width 566 mm / 23.4″ Depth 760 mm / 29.9″ Dimensions – Packed: Height 895 mm / 35.2″ Width Front 656 mm / 25.8″ Width Rear / Depth 850 mm / 33.5″ Weight Net Weight 70.5 Kg Gross Weight 76.5 Kg
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