Eighteen Sound 18iD

Eighteen Sound 18iD
General Specifications Datasheet
Brand Eighteen Sound
Reference 18iD
Manufacturer website www.eighteensound.com
Size 18 in
460 mm
Type Low Frequency
Impedance Z 2 Ω
Minimum impedance Zmin 2.0 Ω
Nominal Power P 1800 W
Program Power Pmax 3600 W
Sensitivity SPL 95 dB
Usable frequency range 30 - 2500 Hz
Recommended crossover 200 Hz
Eighteen Sound 18iD Frequency response
Eighteen Sound 18iD Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 40 Hz
Surface area of cone Sd 1130 cm²
DC resistance Re 1.5 Ω
Mechanical Q Qms 5.50
Electromagnetic Q Qes 0.27
Total Q factor Qts 0.26
Mechanical suspension compliance Cms 37 µm/N
Compliance equivalent air volume Vas 67 liters
Moving mass Mmd 398.09 g
Moving mass (including airload) Mms 420 g
Mechanical resistance Rms 19.19 N·s/m
BL product BL 24 T·m
Voice coil inductance Le 1.22 mH
Maximum linear excursion (one way) Xmax 15.5 mm
Maximum mechanical limit (one way) Xlim 35 mm
Efficiency η₀ 1.66 %
Efficiency bandwidth product EBP 148
Effective diaphragm diameter Ø 37.93 cm
Import this driver in a simulation software:
WinISD 18Sound 18iD.wdr
Hornresp 18Sound 18iD.txt
Basta! 18Sound 18iD.bastaelement
Eighteen Sound 18iD Dimensions
Dimensions
Overall diameter 462.0 mm
Baffle hole diameter 422.0 mm
Overall depth 236 mm
Flange thickness 26 mm
Net weight 12.5 kg
Materials of construction
Diaphragm material Carbon Fiber reinforced Cellulose
Diaphragm shape Straight
Surround material Heavy Polycotton
Voice Coil Parameters
Voice coil diameter 135 mm
Coil material Copper
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 18iD 1800 95 40 1130 5.50 0.27 67 15.5
Eighteen Sound 18NLW9601C 1800 95 39 1130 6.29 0.36 99 14.0
Eighteen Sound 18NLW9601 1800 96 39 1130 5.70 0.30 120 14.0
B&C Speaker 15TBW100 4Ω 1500 95 39 855 5.55 0.30 88 12.0
B&C Speaker 15SW100 4Ω 1500 95 37 855 5.33 0.29 100 12.5
B&C Speaker 18SW115 4Ω 1700 96 34 1210 6.10 0.31 149 14.0
Precision Devices PD.185NR1 1400 98 34 1164 6.17 0.29 102 11.8
B&C Speaker 15SW115 4Ω 1700 96 34 855 5.80 0.23 105 13.5
B&C Speaker 15TBW100 8Ω 1500 96 39 855 4.40 0.33 96 12.0
B&C Speaker 15SW100 8Ω 1500 95 37 855 4.80 0.34 110 12.5
LaVoce WAF154.00 1500 97 38 830 5.70 0.31 103 12.1

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.

561 ms