Eighteen Sound 12W700

Eighteen Sound 12W700
General Specifications Datasheet
Brand Eighteen Sound
Reference 12W700
Manufacturer website www.eighteensound.com
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 98 dB
Usable frequency range 55 - 4200 Hz
Recommended crossover 1700 Hz
Eighteen Sound 12W700 Frequency response
Eighteen Sound 12W700 Impedance
Thiele/Small parameters Values in gray are calculated.
Resonant frequency Fs 58 Hz
Surface area of cone Sd 531 cm²
DC resistance Re 5.7 Ω
Mechanical Q Qms 3.93
Electromagnetic Q Qes 0.37
Total Q factor Qts 0.36
Mechanical suspension compliance Cms 138 µm/N
Compliance equivalent air volume Vas 55 liters
Moving mass Mmd 43.94 g
Moving mass (including airload) Mms 51 g
Mechanical resistance Rms 4.73 N·s/m
BL product BL 17.7 T·m
Voice coil inductance Le 1.48 mH
Maximum linear excursion (one way) Xmax 6.5 mm
Maximum mechanical limit (one way) Xlim 17 mm
Efficiency η₀ 3.31 %
Efficiency bandwidth product EBP 156
Effective diaphragm diameter Ø 26 cm
Import this driver in a simulation software:
WinISD 18Sound 12W700.wdr
Hornresp 18Sound 12W700.txt
Basta! 18Sound 12W700.bastaelement
Eighteen Sound 12W700 Dimensions
Dimensions
Overall diameter 315.0 mm
Baffle hole diameter 282.0 mm
Overall depth 147.5 mm
Flange thickness 16.5 mm
Net weight 8.2 kg
Materials of construction
Diaphragm material Paper
Diaphragm shape Curvilinear
Surround material Polycotton
Voice Coil Parameters
Voice coil diameter 75 mm
Coil material Aluminum
Similar drivers Power
(W)
SPL
(dB)
Fs
(Hz)
Sd
(cm²)
Qms
Qes
Vas
(L)
Xmax
(mm)
Eighteen Sound 12W700 450 98 58 531 3.93 0.37 55 6.5
Fane COLOSSUS 12MBN 500 99 55 530 4.13 0.44 56 5.5
Eighteen Sound 12ND830 450 99 55 531 5.15 0.30 72 6.5
Fane COLOSSUS 12MB 500 98 55 530 2.05 0.33 56 5.5
B&C Speaker 12FW64 250 98 55 522 3.50 0.32 64 5.0
B&C Speaker 12FW76 500 100 54 522 3.80 0.18 45 7.0
Celestion NTR12-3018D 350 98 59 531 2.51 0.33 51 4.0
B&C Speaker 12NDL76 16Ω 400 100 50 522 3.80 0.30 69 7.0
LaVoce WAN123.00 500 99 50 531 4.30 0.25 79 7.0
Celestion TF1230SL 350 97 60 532 3.32 0.44 48 4.0
LaVoce WAF123.00 500 100 50 531 3.50 0.26 69 7.2

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