21IPAL
When used with the Powersoft IPAL power amp modules, the 21PAL can provide extreme output in a very small, dependable package.
For more information, visit the Powersoft Website.
Features
5000 W continuous program power capacity
153 mm (6 in) split winding aluminium voice coil
37 - 1000 Hz response
99 dB sensitivity
Neodymium magnet allows a very high force factor and linear excursion
Double silicone spider with optimized compliance
80 mm peak-to-peak excursion before damage
Ventilated voice coil gap for reduced power compression
Specifications
Nominal Diameter
530 mm (21 in)
Nominal Impedance
1 Ω
Minimum Impedance
1.1 Ω
Nominal Power Handling
2500 W
Continuous Power Handling
5000 W
Sensitivity
99 dB
Frequency Range
37 Hz - 1000 Hz
Voice Coil Diameter
153 mm (6 in)
Winding Material
Aluminium
Former Material
Glass Fibre
Winding Depth
48 mm (1.9 in)
Magnetic Gap Depth
18 mm (0.7 in)
Flux Density
1.35 T
Woofer Cone Treatment
TWP Waterproof Both Sides
Parameters
Fs
37 Hz
Re
0.7 Ω
Qes
0.22
Qms
4.9
Qts
0.21
Vas
155 dm³ (5.47 ft³)
Sd
1680 cm² (260.4 sq²)
η0
3.2 %
Xmax
22 mm
Xvar
15 mm
Mms
487 g
Bl
19.1 Tm
Le
0.5 mH
EBP
168 Hz
Design
Surround Shape
Triple Roll
Cone Shape
Radial
Magnet Material
Neodymium Inside Slug
Spider
Double Silicone
Pole Design
T-Pole
Woofer Cone Treatment
TWP Waterproof Both Sides
Recommended Enclosure
200 dm³ (7.06 ft³)
Recommended Tuning
40 Hz
Mounting and Shipping Info
Overall Diameter
547 mm (21.5 in)
Bolt Circle Diameter
527 mm (20.7 in)
Baffle Cutout Diameter
508 mm (20 in)
Depth
269 mm (10.59 in)
Flange and Gasket Thickness
13 mm (0.51 in)
Air Volume Occupied by Driver
16 dm³ (0.56 ft³)
Net Weight
23 kg (50.71 lb)
Shipping Units
1 pcs
Shipping Weight
25.3 kg (55.78 lb)
Shipping Box
570x570x320 mm (22.44x22.44x12.60 in)
Service Kit
lf Recone Kit
RCK21IPAL
Cone
Gasket
Dust Cap
Wooterprof Treatment
Centering Shims
Heat Shrink Tube