Eighteen Sound 12NDA520

Eighteen Sound 12NDA520
General Specifications Datasheet
Brand Eighteen Sound
Reference 12NDA520
Manufacturer website www.eighteensound.com
Size 12 in
300 mm
Type Low Frequency
Impedance Z 8 Ω
Minimum impedance Zmin 6.5 Ω
Nominal Power P 300 W
Program Power Pmax 450 W
Sensitivity SPL 100.5 dB
Usable frequency range 55 - 6000 Hz
Recommended crossover 2000 Hz
Eighteen Sound 12NDA520 Frequency response
Eighteen Sound 12NDA520 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 50 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.2 Ω
Mechanical Q Qms 5.50
Electromagnetic Q Qes 0.28
Total Q factor Qts 0.27
Mechanical suspension compliance Cms 278 µm/N
Compliance equivalent air volume Vas 111 liters
Moving mass Mmd 28.94 g
Moving mass (including airload) Mms 36 g
Mechanical resistance Rms 2.06 N·s/m
BL product BL 14.4 T·m
Voice coil inductance Le 0.03 mH
Maximum linear excursion (one way) Xmax 4 mm
Maximum mechanical limit (one way) Xlim 11 mm
Efficiency η₀ 4.9 %
Efficiency bandwidth product EBP 176
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12NDA520.wdr
Hornresp 18Sound 12NDA520.txt
Basta! 18Sound 12NDA520.bastaelement
Eighteen Sound 12NDA520 Dimensions
Dimensions
Overall diameter 315.0 mm
Baffle hole diameter 282.0 mm
Overall depth 125 mm
Flange thickness 11.5 mm
Net weight 2.2 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 65 mm
Coil material Aluminum
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 12NDA520 300 101 50 531 5.50 0.28 111 4.0
Eighteen Sound 12W500 350 100 46 531 6.02 0.38 123 4.0
Eighteen Sound 12NMB420 300 101 53 530 3.60 0.30 105 4.0
Fane SOVEREIGN 12-300 300 98 46 530 5.20 0.38 110 4.5
Celestion FTX1225 300 97 48 531 5.71 0.41 90 4.0
Fane SOVEREIGN PRO 12-300 300 98 46 540 5.20 0.38 114 4.5
B&C Speaker 12PLB76 350 99 50 522 5.30 0.24 75 5.0
Eighteen Sound 12MB700 450 102 49 531 4.70 0.20 101 4.5
Eighteen Sound 12ND710 450 101 52 530 6.00 0.20 92 5.0
Eminence BETA-12A-2 250 98 47 539 6.00 0.50 120 4.4
Eminence BETA-12CX 250 97 47 539 5.64 0.52 121 3.5

LoudspeakerDatabase.com is not affiliated with Eighteen Sound. This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

1336 ms