Eighteen Sound 18iD 2 Ohm 18″ 1800W Loudspeaker

Eighteen Sound 18iD 2 Ohm 18″ 1800W Loudspeaker

General Specifications:

• Nominal Diameter 18”, 460 mm
• Rated Impedance 2Ω
• AES Power 1800 W (rms)
• Program Power 3600 W
• Peak Power 10000 W
• Sensitivity 95 dB
• Frequency Range 30 – 2500 Hz
• Power Compression @-10dB 0.7 dB
• Power Compression @-3dB 1.5 dB
• Power Compression @Full Power 2.2 dB
• Max Recomm. Frequency 200 Hz
• Recomm. Enclosure Volume 110 – 350 lt. (3,89 – 12,36 cuft)
• Minimum Impedance 2Ω  at 25°C
• Max Peak To Peak Excursion 2.76”, 70 mm
• Voice Coil Diameter 5.31”, 135 mm
• Voice Coil winding material Copper wire
• Suspension Triple Roll, Heavy Polycotton
• Cone Straight ribbed carbon fiber loaded cellulose

Mounting Information:

• Overall diameter 1819”,  462 mm
• N. of mounting holes and bolt 8
• Mounting holes diameter 0.33”, 8.5 mm
• Bolt circle diameter 17.32”, 440 mm
• Front mount baffle cutout ø 16.38”, 416 mm
• Rear mount baffle cutout ø 16.61”, 422 mm
• Total depth 9.29”, 236 mm
• Flange and gasket thickness 1.02”, 26 mm
• Net weight 12.5 kg, 27.56 lb
• Shipping weight 14 kg, 30.86 lb
• Packaging Dimensions

Thiele Small Parameters:

• Fs 40 Hz
• Re 1.5Ω
• Sd 0.113 sq.mt. (175.15 sq.in.)
• Qms 5.5
• Qes 0.27
• Qts 0.26
• Vas 67 lt. (2.36 cuft)
• Mms 420 gr. (0.92 lb)
• BL 24 Tm
• Linear Mathematical Xmax ±15.5 mm (±0.6”)
• Le (1 kHz) 1.22 mH
• Ref. Efficiency 1W@1m (half space) 94.2 dB

Key Features:

• Class D amplifier optimized for maximum power transfer
• Conforms to Powersoft iPal® standards
• 95 dB SPL 1W / 1m average sensitivity
• 5.3″, 135 mm split winding, four layer ISV copper voice coil
• 3600 W program power handling
• Triple Silicon Spider (TSS) for improved excursion control
• Aluminium demodulating ring (SDR) for lower distortion

Why Choose Lean Business Audio?

50 years of experience of designing, building and supplying Home, Car and Professional Audio.

Huge stocks of leading loudspeakers and audio brands
KEF, Celestion, Eminence, WGS, Montage, BMS Speakers, Faital Pro, Eighteen Sound, Ciare

Low Worldwide shipping rates.
Free Delivery on selected brands with the UK.
Price matching.

For more information please contact us at: +44(0)1473 744089
Or Email us at: sales@lean-business.co.uk