Eighteen Sound 12ND830

Eighteen Sound 12ND830
Eighteen Sound 12ND830
Eighteen Sound 12ND830
General Specifications Datasheet
Brand Eighteen Sound
Reference 12ND830
Size 12 in
300 mm
Type Low frequency
Impedance Z 8 Ω
Minimum impedance Zmin 7.0 Ω
Nominal Power P 450 W
Program Power Pmax 700 W
Sensitivity SPL 99 dB
Usable frequency range 53 - 5000 Hz
Recommended crossover 2000 Hz
  • 99 dB SPL 1W / 1m average sensitivity
  • 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
  • 450 W AES power handling
  • Neodymium magnet assembly
  • Ideal for compact reflex enclosures and two-way systems
Eighteen Sound 12ND830 Frequency response
Eighteen Sound 12ND830 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 55 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.7 Ω
Mechanical Q Qms 5.15
Electromagnetic Q Qes 0.30
Total Q factor Qts 0.28
Mechanical suspension compliance Cms 180 µm/N
Compliance equivalent air volume Vas 72 liters
Moving mass Mmd 38.9 g
Moving mass (including airload) Mms 46 g
Mechanical resistance Rms 3.1 N·s/m
BL product BL 17.6 T·m
Voice coil inductance Le 1.5 mH
Maximum linear excursion (one way) Xmax 6.5 mm
Maximum mechanical limit (one way) Xlim 15 mm
Efficiency η₀ 4.27 %
Efficiency bandwidth product EBP 185
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12ND830.wdr
Hornresp 18Sound 12ND830.txt
Basta! 18Sound 12ND830.bastaelement
Eighteen Sound 12ND830 Dimensions
Dimensions
Overall diameter 315 mm
Baffle hole diameter 282 mm
Overall depth 140 mm
Flange thickness 11.5 mm
Net weight 4 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Aluminum
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This page may contain errors or inaccuracies. Please check the up-to-date specifications on the manufacturer website before starting your project.

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