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NEW 'Q LEX SERIES' 4 LAYER VOICE COIL |
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BEYMA 21QLEX1600FE - 21" EXTREME POWER WOOFER |
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BEYMA 'Q LEX SERIES' 4 LAYER VOICE COIL SETS A NEW STANDARD IN HIGH POWER SUBWOOFER SPEAKERS SYSTEMS |
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BEYMA 21QLEX1600FE |
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4 Ohm Version Item Price: $656.99 |
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8 Ohm Version Item Price: $656.99 |
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WOOFER MODEL |
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Specifications |
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Nominal
Basket Diameter |
21" |
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Impedance |
4 & 8 ohms |
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AES
Power Rating |
1,600
Watts |
| Program Power |
3,200
Watts |
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Frequency
Response |
30Hz
- 1.0kHz |
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Sensitivity
(1W/1m) |
98dB |
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Voice
Coil Diameter |
4"
/ 100mm |
| Recom. Enclosure Volume | 6.0 ft3 / 170 Liters |
| Voice Coil Length | 32 mm |
| Air Gap Height | 15 mm |
| X Damage (peak to peak) | 60 mm |
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Mounting Information |
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Overall Diameter |
21.5" / 545mm |
| Bolt Circle Diameter | 20.6" / 522.5mm |
| Baffle Cutout Diameter- | 19.4" / 492mm |
| No. Of Mounting Holes | 8 |
| Volume Displaced By Driver | 0.4 ft3 / 11.5 Liters |
| Overall Depth | 10.5" / 266mm |
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Net
Weight |
37.6 lb. / 17.1 kg. |
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Shipping Weight |
43.1 lb. / 19.6 kg. |
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Materials |
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| Basket | Die Cast Aluminum |
| Cone | Waterproof Front & Back Paper |
| Surround | Treated Cloth |
| Voice Coil | Inner/Outer Copper Wire |
| Voice Layers | Four |
| Demodulation Ring | Aluminum |
| Spider | Double Silicone |
| Magnet | Ferrite |
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Thiele-Small Parameters |
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| Resonant Frequency (fs) | 30 Hz |
| Impedance (Re) | 5.4 ohms |
| Coil Inductance (Le) | 4.0 mH |
| Mechanical Q (Qms) | 4.5 |
| Electrical Factor (Qes) | .3 |
| Total Q (Qts) | .28 |
| Comp. Equivalent Vol. (Vas) | 10.91 ft3 / 309 Liters |
| Voice Coil Overhang (Xmax) | 13.0 mm |
| Moving Mass (Mms) | 388 Grams |
| Surface Area of Cone (Sd)m2 | 0.1734m2 |
| BL Factor | 36.4 N/A |
| Reference Efficiency | 2.7% |
| Displacement Volume (Vd) | 2254 cm3 |
| Frequency Response & Free Air Impedance Curve | |
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US Speaker, LLC