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, ALUMINUM DEMODULATION RING, 3,400 WATTS POWER! |
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21SW1115-4 |
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4 Ohms
Item Price: $745.85 |
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B & C PROFESSIONAL COMPONENTS |
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21SW115-4 - 21" HIGH POWER WOOFER |
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, ALUMINUM DEMODULATION RING, 3,400 WATTS POWER! |
|
|
|
21SW1115-4 |
|
4 Ohms
Item Price: $745.85 |
|
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SPEAKER
MODEL |
21SW115 |
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SPECIFICATIONS |
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Nominal
Basket Diameter |
21" |
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Impedance |
4 ohms |
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RMS
Power Rating |
1,700
Watts |
| Program Power |
3,400
Watts |
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Frequency
Response |
33Hz
- 1.0kHz |
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Sensitivity
(1W/1m) |
97dB |
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Voice
Coil Diameter |
4.5"
/ 116mm |
| Winding Material | Copper |
| Former Material | Glass Fibre |
| Winding Depth | 1.34" / 34mm |
| Magnetic Gap Depth | .55" / 14mm |
| Flux Density | 1.15T |
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RECOMMENDED ENCLOSURE SIZE |
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| Ported Cabinet | 8.83 cu. ft |
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MOUNTING INFORMATION |
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Overall
Diameter |
21.5" / 547mm |
| Bolt Circle Diameter | 20.7" / 527mm |
| Baffle Cutout Diameter | 19.8" / 503mm |
| Depth | 9.8" / 249mm |
| Flange & Gasket Thickness | .63" / 16mm |
| No. Of Mounting Holes | 8 |
| Net Weight | 30.8 lbs./ 14 kg. |
| Shipping Weight | 35.94 lbs./ 16.3 kg. |
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MATERIALS |
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| Basket | Cast Aluminum |
| Cone | Paper |
| Cone Shape | Radial |
| Voice Coil | Split Winding Copper |
| Spider | Double Silicone |
| Surround Shape | Triple Roll |
| Pole Design | T-Pole |
| Magnet | Neodymium |
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THIELE-SMALL
PARAMETERS |
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Resonant Frequency (fs) |
33 Hz |
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Impedance
(Re) |
3.6 ohms |
| Electrical Factor (Qes) | .37 |
| Mechanical Q (Qms) | 7.7 |
| Total Q (Qts) | .36 |
| Compliance Equiv. Vol. (Vas) | 278 Liters/9.7cu. ft. |
| Voice Coil Overhang (Xmax) | 14mm |
| Peak To Peak (X-Damage) | 60mm |
| Reference Efficiency | 2.6% |
| Moving Mass (Mms) | 335 Grams |
| Surface Area of Cone | .1680 m2 |
| BL Factor | 24.8 T-M |
| Coil Inductance (Le) | 1.7mH |
| EBP | 89Hz |
| FREQUENCY RESPONSE IN BASS REFLEX CABINET | |
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| FREQUENCY RESPONSE | |
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| IMPEDANCE GRAPH | |
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| DRAWING | |
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US Speaker, LLC
