$17.01
$28.07
Eighteen Sound 21NTLW5000 4 Ohm 21″ 1800W Loudspeaker General Specifications: Nominal Diameter 21”, 533 mm Rated Impedance 4Ω AES Power 1800 W (rms) Program Power 4000 W (rms) Peak Power 10000 W (rms) Sensitivity 97 dB Frequency Range 30 – 1800 Hz Power Compression @-10 dB 0.7 dB Power Compression @-3 dB 1.5 dB Power Compression @Full Power 2.2 dB Max Recomm. Frequency 150 Hz Recommended Enclosure Volume 4.24 ÷ 8.83 cuft, 120 ÷ 250 lt. Minimum Impedance 7.9 Ohm at 25°C Max Peak To Peak Excursion 2.75”, 70 mm Voice Coil Diameter 4.5”, 115 mm Voice Coil Technology split winding, 4 layers copper Suspension Triple Roll, Polycotton Cone Straight Ribbed Carbon Fiber Loaded Cellulose Key Features: 97 dB SPL 1W / 1m average sensitivity Dual 115mm (4,5 in) Tetracoil Aluminum Voice coil 4000 W program power handling Carbon fiber reinforced treated cellulose cone Water repellent cone and epoxy coated plate Ultra linear suspension behavior for excellent sound clarity Suitable for vented, horn loaded and bandpass speaker designs Low noise forced air cooling design Symmetric flux density and inductance behaviour Specifications Nominal Diameter 533 mm ( in) Nominal Impedance 4O Minimum Impedance 3.7 O Nominal Power Handling1 1800 W Continuous Power Handling2 4000 W Sensitivity3 97.0 dB Frequency Range 30 – 1800 Hz Voice Coil Diameter 115 mm (4.5 in) Winding Material aluminum Design Surround Shape Triple roll Cone Shape Straight Woofer Cone Treatment Water,UV repellent Recommended Enclosure 200.0 dm3 (7.06 ft3) Recommended Tuning 33 Hz Parameters Resonance Frequency 30 Hz Re 3.2 O Qes 0.33 Qms 12.3 Qts 0.32 Vas 300.0 dm3 (10.59 ft3) Sd 1662.0 cm2 (257.61 in2) Xmax 17.5 mm Mms 372.0 g Bl 25.0 Txm Le 1.3 mH EBP 90 Hz 21NTLW5000 Mounting and Shipping Overall Diameter 545 mm (21.46 in) Bolt Circle Diameter 520 mm (20.47 in) Baffle Cutout Diameter 492.0 mm (19.37 in) Depth 320 mm (12.6 in) Flange and Gasket Thickness 18 mm (0.71 in) Net Weight 12.5 kg (27.56 lb) Shipping Weight 13.5 kg (29.76 lb) Shipping Box 570x570x350 mm (22.44×22.44×13.78 in) Why Choose Lean Business Audio? 50 years of experience of designing, building and supplying Home, Car and Professional Audio. Huge stocks of leading loudspeakers and audio brands KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare Low Worldwide shipping rates. Free Delivery on selected brands with the UK. Price matching. For more information please contact us at: 44(0)1473 744089 Or Email us at:
[email protected]
