Beyma |
4FR40Nd |
4FR40ND-8 |
104FR40ND8 |
Cone driver |
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Brand Beyma |
Model 4FR40Nd |
TLHP code 4FR40ND-8 |
Manufacturer code 104FR40ND8 |
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Product type Cone driver |
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4" full-range compact neodymium loudspeaker, ideal for beam-steering application (columns), portable array and compact applications
80 W program power
Extended response and low distortion
Paper cone and SantopreneTM surround
Pressed steel basket
Neodymium magnet
General |
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Product type | Cone driver |
Brand | Beyma |
Reference | 4FR40Nd |
Product code | 104FR40ND8 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 4 inch |
Frequency coverage type | Fullrange |
Manufacturer sensitivity | 88 dB |
Calculated sensitivity | 86.43 dB |
Nominal power handling | 40 W |
Bandwidth | 100÷20000 Hz |
Fundamental parameters |
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Mms | 4.5 gr |
Le | 0.2 mH |
Re | 6.4 ohm |
Small signal parameters |
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Fs | 94 Hz |
Qes | 0.78 |
Qms | 10.8 |
Qts | 0.72 |
Vas | 2.7 L |
Datas |
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Xmax | ±3 mm |
EBP | 121 Hz |
Fs / Qts | 131 Hz |
Vas * Qts² | 1.4 L |
Efficiency | 0.28 % |
Calculated efficiency | 0.28 % |
Weight | ~0.35 kg |
Dimensions |
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Voice coil diameter | 0.8 inch |
External dimensions | 103 | 103 mm |
Baffle cutout diameter | 92 mm |
Diamètre aimant (mm) | 70 mm |
Shape & Materials |
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Front chape | Non cylindrical |
Magnet type | Neodymium |
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.
* On axis frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber
* OFF-AXIS FREQUENCY RESPONSE
* FREE AIR IMPEDANCE CURVE