21″ B&C Subwoofer IPAL
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.
Key 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
Teirautis telefonu
+37069873838
darius@combo.lt
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Specifications
Nominal Diameter: 530 mm (21 in)
Minimum Impedance: 1.1 Ω
Continuous Power Handling: 5000 W
Frequency Range: 37 Hz – 1000 Hz
Winding Material: Aluminium
Winding Depth: 48 mm (1.9 in)
Flux Density: 1.35 T
Nominal Impedance: 1 Ω
Nominal Power Handling: 2500 W
Sensitivity: 99 dB
Voice Coil Diameter: 153 mm (6 in)
Former Material: Glass Fibre
Magnetic Gap Depth: 18 mm (0.7 in)
Woofer Cone Treatment: TWP Waterproof Both Sides
Parameters
Fs: 37 Hz
Qes: 0.22
Qts: 0.21
Sd: 1680 cm² (260.4 in²)
Xmax: 22 mm
Mms: 487 g
Le: 0.5 mH
Re: 0.7 Ω
Qms: 4.9
Vas: 155 dm³ (5.47 ft³)
η₀: 3.2 %
Xvar: 15 mm
Bl: 19.1 Tm
EBP: 168 Hz
Design
Surround Shape: Triple Roll
Magnet Material: Neodymium Inside Slug
Pole Design: T-Pole
Recommended Enclosure: 200 dm³ (7.06 ft³)
Cone Shape: Radial
Spider: Double Silicone
Woofer Cone Treatment: TWP Waterproof Both Sides
Recommended Tuning: 40 Hz
Mounting and Shipping Info
Overall Diameter: 547 mm (21.5 in)
Baffle Cutout Diameter: 508 mm (20 in)
Flange and Gasket Thickness: 13 mm (0.51 in)
Net Weight: 23 kg (50.71 lb)
Shipping Weight: 25.3 kg (55.78 lb)
Bolt Circle Diameter: 527 mm (20.7 in)
Depth: 269 mm (10.59 in)
Air Volume Occupied by Driver: 16 dm³ (0.56 ft³)
Shipping Units: 1 pcs
Shipping Box: 570x570x320 mm (22.44×22.44×12.60 in)
Service Kit
Recone Kit: RCK21IPAL
Cone
Gasket
Dust Cap
Wooterprof Treatment
Centering Shims
Heat Shrink Tube
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