TK21SW115 Hot Sales 21 Inch Subwoofer Neodymium 3400W for Professional Sound Active/Passive Outdoor Stage Speaker
Excellent low frequency limit. Through careful tuning and optimization. Produces a solid bass sound. Very suitable pro DJ speakers, pro PA speakers, pro karaoke speakers, live sound speakers, fixed installation speakers, studio,car,bars,clubs and home audio speakers and so on.
Product Paramenters
SPECIFICATIONS
 
 
TYPE
NEO SUBWOOFER
 
Nominal Diameter
530/21
mm/in
Rated impedance
8
ohm
Minimum Impedance
7.1
ohm
Nominal Power Handling
1700
W
Continuous Power Handling
3400
W
Sensitivity
97
dB
Frequency Range
27-1000
Hz
Voice Coil Diameter
115/4.5
mm/in
Winding Material
Copper
 
Former Material
Glass Fibre
 
Winding Depth
35/1.37
mm/in
Magnetic Gap Depth
14/0.55
mm/in
Magnetic Material
Neodymium Inside Slug
 
THIELE & SMALL PARAMETERS
 
 
 
Resonance frequency
Fs
27
Hz
Dc resistance
Re
5.3
ohm
Mechanical factor
Qms
4.26
 
Electrical factor
Qes
0.44
 
Total factor
Qts
0.4
 
BL factor
Bl
27.9
T.M
Effective Moving mass
Mms
375
g
Effective Cas air load
Vas
341
liters
Effective piston area
Sd
0.167
m^2
Inductance
Le
2.2
mh
Max linear excursion
Xmax
±14
mm
 
EBP
61
Hz
MOUNTING AND SHIPPING
 
 
Overall Diameter
550/21.6
mm/in
Bolt Circle Diameter
528/20.7
mm/in
Mount Baffle Cut-out
506/19.9
mm/in
Mounting Hole
8
 
Speaker Depth
250/9.8
mm/in
Flange And Gasket Thickness
15/0.59
mm/in
N.W.(1 pc)
13.8 / 30.4
kg/lb
 
Details Images