Beyma |
12BR70 |
12BR70-8 |
212BR708 |
Cone driver |
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Brand Beyma |
Model 12BR70 |
TLHP code 12BR70-8 |
Manufacturer code 212BR708 |
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Product type Cone driver |
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Alternative suggestion
Low frequency transducer with a flat frequency response and low distortion, rubber surround, die cast aluminium basket, ferrite magnet.
125 WRMS power handling
Sensitivity: 93 dB @ 1 W @ 1 m
2" copper voice coil
Extended controlled displacement: Xmax ± 8 mm
Low resonance for low frequency extension
Flat frequency response and low distortion
Rubber surround
Die cast aluminium basket
Ferrite magnet
General |
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Product type | Cone driver |
Brand | Beyma |
Reference | 12BR70 |
Product code | 212BR708 |
Informations |
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Nominal impedance | 8 ohm |
Dimensional category | 12.5 inch |
Frequency coverage type | Sub, Low, Midbass |
Manufacturer sensitivity | 93 dB |
Calculated sensitivity | 90.63 dB |
Nominal power handling | 125 W |
Bandwidth | 25÷4000 Hz |
Fundamental parameters |
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Mms | 74 gr |
Le | 0.85 mH |
Re | 5.6 ohm |
Small signal parameters |
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Fs | 31 Hz |
Qes | 0.56 |
Qms | 4.44 |
Qts | 0.5 |
Vas | 142 L |
Datas |
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Xmax | ±8 mm |
EBP | 55 Hz |
Fs / Qts | 62 Hz |
Vas * Qts² | 35.5 L |
Efficiency | 0.76 % |
Calculated efficiency | 0.73 % |
Dimensions |
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Voice coil diameter | 2 inch |
Outside diameter | 312 mm |
Baffle cutout diameter | 277.5 mm |
Front thickness | 9 mm |
Depth after front | 117 mm |
Diamètre aimant (mm) | 134 mm |
Shape & Materials |
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Front chape | Cylindrical |
Magnet type | Ferrite |
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.
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* On axis frequency response measured with loudspeaker standing on infinite baffle in anechoic chamber