B&C Speaker 21IPAL
1Ω
Subwoofer
| Nominal diameter | 21″ / 530 mm |
| Resonance | 37 Hz |
| Q factor | 0.21 |
| Sensitivity | 96.6 dB |
| Linear excursion | ± 22 mm |
| Program Power | 5000 W |
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Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 96.6dB
- Frequency response 37 - 1000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 37Hz
- Mechanical quality factor QMS 4.90
- Electrical quality factor QES 0.22
- Total quality factor QTS 0.21
Large signal parameters
- Maximum linear excursion (one way) xmax 22mm
- Air volume displaced at xmax VD 3696cm³
- Power handling P 2500W
- Program power Pmax 5000W
Voice Coil
- Nominal impedance Z 1Ω
- DC resistance RE 0.7Ω
- Inductance (1kHz) LE 0.5mH
- VC Diameter 153mm
- Winding height HVC 48mm
- Winding material Aluminium
- Former material Glass Fibre
Magnet
- Flux density B 1.35T
- Force factor Bl 19.1N/A
- Motor constant Bl/√RE 22.8N/√W
- Air gap height HAG 18mm
- Material Neodymium Inside Slug
Diaphragm
- Effective diameter 462mm
- Effective area SD 1680cm²
- Moving mass MMS 487g
- Moving mass (without air load) MMD 439g
- Material Waterproof Both Sides
Suspensions
- Stiffness KMS 26.3N/mm
- Compliance CMS 38µm/N
- Equivalent volume to the compliance VAS 155L
- Mechanical resistance RMS 23.1N·s/m
- Spider material Silicone
Dimensions
- Nominal diameter 21″
- 530mm
- Overall diameter 547mm
- Baffle cutout diameter 508mm
- Overall depth 269mm
- Flange thickness 13mm
- Mounting depth 256mm
- Volume occupied by the driver 16L
- Net weight 23.0kg
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Export this driver to a simulation software:
Closed Box Simulator·
Speakerbench
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
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