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Algemene informatie
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| Merk | 18Sound |
| Type | 21LW1400 |
| Beschrijving | 99 dB SPL 1W / 1m average sensitivity
100 mm (4 in) interleaved Sandwich Voice coil (ISV)
1500W continuous pink noise power handling
Weather protected cone and plates for outdoor usage
Double Silicon Spider (DSS) for improved excursion
control and linearity
Double Demodulating Rings (DDR) for lower distortion
and improved heat dissipation
Improved heat dissipation via unique basket design |
| Applicatie | Low Frequency |
| Serie |  | 4' voice coil high performance extended low frequency transducers |
1400 Serie |
| Impedantie [Ohm] | 8 Ohm |
| Minimum impedantie [Ohm] | 6.40 |
| Diameter ["] | 21.0 |
| Vermogen [W] | 1500 |
| Vermogen definitie | AES |
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| Vermogen continu [W] | 800 |
| Vermogen piek [W] | 7000 |
| Gevoeligheid [dB] | 99.0 |
| Frequentie laag [Hz] | 24 |
| Frequentie hoog [Hz] | 2000 |
| Power compressie -10dB [dB] | (80 W) 0,6 dB |
| Power compressie -3dB [dB] | (400 W) 1,5 dB |
| Power compressie 0dB [dB] | (800 W) 2,2 dB |
| Magneet | Ferrite |
| Spoel diameter [mm (inch)] | 100 (4) |
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| Spoel materiaal | Copper |
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| Ontwerp pole | N/A |
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| EBP | 116.7 |
| Vd (volume verplaatsing) [dm3] | 1.58 |
| Toepassing | Woofer |
| Productie status | continued |
| Technologie(n) | DDR Double Demodulating Ring:
Reduce the intermodulation and harmonic distortion and improve transient response |
DSS ISV | Interleaved Sandwich Voice Coil |
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Thiele Small parameters
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| Fs [Hz] | 28 |
| Re [Ohm] | 5.00 |
| Qts | 0.24 |
| Qes | 0.24 |
| Qms | 9.32 |
| MMS [gram] | 296.0 |
| BL [T x m] | 33.5 |
| VAS [dm3] | 385 |
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| Sd [cm2] | 1662 |
Xmax [mm] | Maximale verplaatsing membraan vanuit rust toestand |
| 9.5 |
| Le [mH] | 2.85 |
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Aanvullende parameters
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X damage [mm] | Maximale verplaatsing membraan top-top. Hierboven treedt beschadiging op. |
| 52.0 |
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| Efficiency herberekend [%] | 3.38 |
Ontwerp specificaties
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| Surround shape | N/A |
| Surround material | N/A |
| Vorm membraan | N/A |
| Materiaal membraan | N/A |
| Chasis materiaal | N/A |
| Former material | N/A |
| Spider material | N/A |
Montage gegevens
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| Totale diameter [mm] | 545 |
| Klankbord uitsparing montage voor [mm] | 492 |
| Klankbord uitsparing montage achter [mm] | 490 |
| Diameter voor montage schroeven [mm] | 520 |
| Diepte driver [mm] | 260 |
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| Gewicht [kg] | 19.2 |
| Verzendgewicht [kg] | 20.6 |
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| Toegevoegd door | Speakerstore |
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| Price [Euro] | 480 |
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| Prijs Speakerstore [Euro] | 432 |
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