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18SOUND 21 WOOFER/3200W/8OHMS  ...
18 SOUND 21LW2500
18sound 21" woofer/3200w/8ohms -
Availability: 5 In Stock
Your Price: $427.00
Shipping: $29.50
Total With Shipping: $456.50
2 Yr Plan add $29.95 
4 Yr Plan add $39.95 
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* 95 db spl 1w / 1m average sensitivity
* 100 mm (4 in) interleaved sandwich voice coil (isv)
* 3200w program power handling
* 70 mm (2,76 in) peak to peak excursion
* ultra linear dual magnet motor design
* composite reinforced straight ribbed cone
* optimized high grade ferrite magnet assembly
* recommended for subwoofer usage in compact vented or bandpass enclosure
the 21lw2500 is a 21-in (533 mm) extended low frequency loudspeaker, designed for use in vented or bandpass enclosure. the loudspeaker is designed to withstand high power levels without damage while providing clean and undistorted lf reproduction at a very high spl. for optimum results we recommend amplifiers able to deliver 3600 watt program power. the 21lw2500 features a unique motor featuring a high grade ferrit magnet assembly in a structure optimized for thermal and magnetic efficiency. 21lw2500 features include a large displacement suspension system which, in conjunction with a composite reinforced, straight ribbed cone and the eighteen sound proprietary double silicon spider (dss) technology, allows an ultra-linear piston action and provides full mechanical control across the entire working range. the 100mm (4 in) state-of-the-art voice-coil utilizing interleaved sandwich voice coil (isv) technology, provides high levels of thermal stability and durability. the isv technology achieves a balanced linear motor unit exerting an exceptionally high force factor.
nominal diameter 533 mm (21 in)
* rated impedance 8 ohm
* aes power 1600 w
* peak power 7200 w
* frequency range 30-1000hz
* power compression @-10db 0,57 db
* power compression @-3db 2,1 db
* power compression @full power 3,2 db
* max recomm. frequency 200 hz
* recomm. enclosure volume 130 - 500 lt (4.59-17.7 cuft)
* minimum impedance 6,1 ohm @ 25 degrees
* max peak to peak excursion 70 mm (2,76 in)
* voice coil diameter 100 mm (4 in)
* voice coil winding material copper wire
* suspension triple roll, heavy polycotton
* cone curved ribbed fiber loaded cellulose
* thiele small parameters
* fs 29 hz
* re 4,9 ohm
* sd 0,166 sq.m (175,15 sq.in)
* qms 22
* qes 0,38
* qts 0,37
* vas 305 lt. (10,77 cu.ft)
* mms 380 gr. (0,83 lb)
* bl 30 tm
* linear mathematical xmax +/-14 mm (+/-0,55 in)
* le (1khz) 2,58 mh
* ref. efficiency 1w@1m (half space) 95,4 db

* overall diameter 545 mm (21,46 in)
* n. of mounting holes and bolt 8
* mounting holes diameter 8,5 mm (0,33 in)
* bolt circle diameter 520 mm (20,47 in)
* front mount baffle cutout ר 492 mm (19,37 in)
* rear mount baffle cutout ר 490 mm (19,29 in)
* total depth 252 mm (9,92 in)
* flange and gasket thickness 18 mm (0,7 in)
* net weight 17,9 kg (39,4 lb)
* shipping weight 19,4 kg (42,7 lb)
* packaging dimensions 19,4 kg (42,7 lb)
weight: 40.00 (lbs)
UPC: 753807515764
Model #: 21LW2500

*Warranty: Full manufacturer's warranty applies. This item is accompanied by a manufacturer's warranty. Most items, if found to be defective, may be returned to Savinglots.com for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period. Most manufacturers offer at least a 1 year warranty. Please check with the specific manufacturer for their warranty periods. Please email or call us with any questions if you are unable to find specific information.

Large items such as refrigerators, freezers will be serviced under warranty by the manufacturers recommended servicer at your location.
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Model:# 21LW2500