BMS |
15N820 |
15N820-8 |
BMS-15N820-8 |
Cone driver |
Sold by piece |
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Brand BMS |
Model 15N820 |
TLHP code 15N820-8 |
Manufacturer code BMS-15N820-8 |
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Product type Cone driver |
Sales packaging Sold by Piece |
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If you want to purchase more than the quantity in stock, have a look at the supply time below :
Indicative average supply lead time: 39 weeks
98 dB Sensitivity 1 W / 1 m
900 W Power Handling
4" Copper Sandwich Voice Coil for low Power Compression
Neodymium Magnet System
Double treated Cone for Water Protection
Triple Aluminum demodulating Rings for ultra low Distortion
Optimal for high output 2- or 3-way Systems
General |
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Product type | Cone driver |
Brand | BMS |
Reference | 15N820 |
Product code | BMS-15N820-8 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 15.5 inch |
Frequency coverage type | Sub, Low, Midbass |
Manufacturer sensitivity | 98 dB |
Calculated sensitivity | 97.34 dB |
Nominal power handling | 900 W |
Max power handling | 1800 W |
Bandwidth | 40÷2500 Hz |
Fundamental parameters |
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Sd | 880 cm² |
Mms | 114 gr |
Cms | 144 µm/N |
Le | 0.81 mH |
Re | 5.7 ohm |
BL | 24.2 T.m |
Small signal parameters |
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Fs | 39.2 Hz |
Qes | 0.27 |
Qms | 4.5 |
Qts | 0.26 |
Vas | 159 L |
Datas |
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Xmax | ±4.5 mm |
Calculated Xmax | ±6.8333 mm |
EBP | 145 Hz |
Fs / Qts | 151 Hz |
Vas * Qts² | 10.75 L |
Calculated efficiency | 3.41 % |
Demodulation ring | Yes |
Dimensions |
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Voice coil diameter | 4 inch |
Winding depth | 20 mm |
Gap height | 19 mm |
Outside diameter | 388 mm |
Baffle cutout diameter | 355 mm |
Depth | 184 mm |
Front thickness | 13 mm |
Depth after front | 171 mm |
Diamètre aimant (mm) | 132 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Neodymium |
Basket masterial | Aluminium |
Winding material | Copper |
Surround shape | Double roll |
Surround material | Cloth |
This system is only available for technical questions. For questions of prices, availability of products and deadline thank you to send your request by the contact page.
From BMS
From others manufacturers
* Frequency Response measured 100 W (28.3 V) at 1 m in a closed enclosure of 100 litre in an anechoic chamber incl. 2nd and 3rd harmonic distortion raised 20 dB.
This product is under manufacturer's warranty. This warranty protect you for the manufacturing defaults. The warranty does not protect for abnormal use of the product.