18 SOUND 18ID

18-in Extended LF Neodymium Transducer 2 Ohms
SKU: 18ID
Availability: 20 in stock
Manufacturer: 18 SOUND

* Class D amplifier optimized for maximum power transfer
* Conforms to Powersoft iPal standards
* 95 dB SPL 1W / 1m average sensitivity
* 135mm (5.3-in) split winding.
four layer ISV aluminum voice coil
* 3600 W program power handling
* Triple Silicon Spider (TSS) for improved excursion control
* Aluminum demodulating ring (SDR) for lower distortion
* Rated Impedance 2 Ohm
* AES Power 1800W
* Peak Power 10000W
* 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 It.
(3.89 - 12.36 cuft)
* Minimum Impedance 2 Ohm at 25 DegreesC
* Max Peak To Peak Excursion 70 mm (2.76 in)
* Voice Coil Diameter 135 mm (5.31 in)
* Voice Coil winding material Copper wire
* Suspension Triple Roll.
Heavy Polycotton
* Cone Straight ribbed carbon fiber loaded cellulose
* THIELE SMALL PARAMETERS
* Fs 40 Hz
* Re 1.5 Ohm
* Sd 0.113 sq.mt.
(175.15 sq.in.)
* Qms 5.5
* Qes 0.27
* Qts 0.26
* Vas 67 It.
(2.36 cuf)
* Mms 420 gr.
(0.92 Ib)
* BI 24 Tm
* Linear Mathematical Xmax +/-15.5 mm (+/-0.6 in)
* Le (1kHz) 1.22 mH
* Ref.
Efficiency 1W@1m (half space) 94.2 dB

* Overall diameter 462 mm (18.19 in)
* N.of mounting holes and bolt 8
* Mounting holes diameter 8.5 mm (0.33 in)
* Bolt circle diameter 440mm (17.32 in)
* Front mount baffle cutout diameter 416 mm (16.38 in)
* Rear mount baffle cutout diameter 422 mm (16.61 in)
* Total depth 236 mm (9.29 in)
* Flange and gasket thickness 26 mm (1.02 in)
* Net weight 12.5 kg (27.56 Ib)
* Shipping weight 14 kg (30.86 lb)
* CardBoard Packaging dimensions 482 x 482 x 257 mm (18.98 x 18.98 x 10.12 in)