Eighteen Sound 12LW1400

Eighteen Sound 12LW1400
General Specifications Datasheet
Brand Eighteen Sound
Reference 12LW1400
Manufacturer website www.eighteensound.com
Size 12 in
300 mm
Type Extended Low Frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.8 Ω
Nominal Power P 900 W
Program Power Pmax 1400 W
Sensitivity SPL 96 dB
Usable frequency range 51 - 4000 Hz
Recommended crossover 1000 Hz
Eighteen Sound 12LW1400 Frequency response
Eighteen Sound 12LW1400 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 45 Hz
Surface area of cone Sd 530 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 5.00
Electromagnetic Q Qes 0.32
Total Q factor Qts 0.30
Mechanical suspension compliance Cms 138 µm/N
Compliance equivalent air volume Vas 55 liters
Moving mass Mmd 80.96 g
Moving mass (including airload) Mms 88 g
Mechanical resistance Rms 4.98 N·s/m
BL product BL 20 T·m
Voice coil inductance Le 1.5 mH
Maximum linear excursion (one way) Xmax 8.25 mm
Maximum mechanical limit (one way) Xlim 18 mm
Efficiency η₀ 1.5 %
Efficiency bandwidth product EBP 140
Effective diaphragm diameter Ø 25.98 cm
Import this driver in a simulation software:
WinISD 18Sound 12LW1400.wdr
Hornresp 18Sound 12LW1400.txt
Basta! 18Sound 12LW1400.bastaelement
Eighteen Sound 12LW1400 Dimensions
Dimensions
Overall diameter 315.0 mm
Baffle hole diameter 282.0 mm
Overall depth 141 mm
Flange thickness 17.5 mm
Net weight 10.9 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Straight
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 100 mm
Coil material Aluminum
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 12LW1400 900 96 45 530 5.00 0.32 55 8.3
SICA 12 S 4 PL 1000 96 40 531 4.50 0.26 57 7.5
SICA 12 PFS 4 1000 95 39 531 4.60 0.27 56 9.0
LaVoce WAN124.01 1000 95 40 540 4.20 0.25 57 8.5
Eighteen Sound 12W1300 700 97 50 530 4.15 0.28 56 7.5
SICA 12 K 4 PL 1000 97 48 531 4.41 0.25 46 7.0
B&C Speaker 12NDL88 700 98 51 522 5.00 0.29 52 8.0
B&C Speaker 12NW100 8Ω 1000 96 42 531 3.60 0.21 44 9.0
Beyma 12P1000Nd 900 96 47 550 7.89 0.27 49 8.0
B&C Speaker 12NBX100 8Ω 1000 96 41 531 3.90 0.24 51 10.0
Eighteen Sound 12NLW9300 800 97 40 530 4.67 0.25 87 8.0

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