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2218
18" EXTENDED LOW FREQUENCY LOUDSPEAKER
Radian Audio’s model 2218, 18” extended low frequency loudspeaker produces impressive amounts of deep, clean bass energy. It is most often utilized in dedicated sub-woofer systems in live sound and nightclub applications. The Radian 2218 has a 4” edgewound voice coil for superior power handling capability and performs very well in enclosures as small as five and one half cubic feet.
Ă‚Â Product SheetSpecification
| FREQUENCY RESPONSE | 26 Hz - 3.5 kHz |
| POWER HANDLING | 725 watts AES, 1500 watts Program |
| SENSITIVITY | 95 dB |
| RECOMMENDED CROSSOVER | 80 - 120 Hz |
| IMPEDANCE | 8 ohms |
| MAX SPL | |
| 70V TRANSFORMER, 30 W | |
| 100V TRANSFORMER, 30W | |
| LF DRIVER | |
| HF DRIVER | |
| DISPERSION EXIT | |
| D.C. RESISTANCE | |
| VOICE COIL DIAMETER | 4 |
| RECOMMENDED ECLOSURE | 6 ft.? - 12 ft.? |
| DIAPHRAGM MATERIAL | |
| DIAPHRAGM SUSPENSION | |
| MAGNET | |
| WOOFER CONE MATERIAL | Kevlar® Reinforced Paper |
| VOICE COIL MATERIAL | Edgewound Aluminum |
| BASKET MATERIAL | Cast Aluminum |
| OVERALL DIAMETER | 18.31 |
| POLARITY | |
| MOUNTING BOLT CIRCLE | 17.38 |
| CUT-OUT DIAMETER | 16.88 |
| OVERALL DEPTH | 7.59 |
| NORMINAL DISPERSION | |
| DIMENSIONS (HWD) | |
| ENCLOSURE CONSTRUCTION | |
| FLUX DENSITY | |
| INPUT CONNECTORS | Pushbutton Terminals |
| MOUNTING | |
| FLY POINTS | |
| STANDARD FINISH | |
| QTS | 0,522 |
| QMS | 3,1591 |
| QES | 0,6254 |
| VAS | 10 (286 liters) |
| FS (Hz) | 33,8 |
| XMAX (IN) | 0,187 |
| RE (V) | 6,3 |
| SD (IN²) | 201 |
| Product Callout Bullets | |
| THROAT DIAMETER | |
| NET WEIGHT | |
| SHIPPING WEIGHT |
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| 2216 |