Beyma 12CXA400Fe
Fe
NdCoaxial
Nominal diameter | 12″ / 300 mm |
Resonance | 42 Hz |
Q factor | 0.25 |
Sensitivity | 95 dB |
Linear excursion | ± 6 mm |
Program Power | 800 W |
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- Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
- Frequency response 40 - 20000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 42Hz
- Mechanical quality factor QMS 7.20
- Electrical quality factor QES 0.26
- Total quality factor QTS 0.25
Large signal parameters
- Maximum linear excursion xmax 6mm
- Maximum excursion before damage xlim 51mm
- Air volume displaced at xmax VD 330cm³
- Power handling P 400W
- Program power Pmax 800W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.6Ω
- Inductance (1kHz) LE 1.1mH
- VC Diameter 101.6mm
- Winding height HVC 16mm
Magnet
- Force factor Bl 19.8N/A
- Motor constant Bl/√RE 7.71N/√W
- Air gap height HAG 10mm
Diaphragm
- Effective diameter 265mm
- Effective area SD 550cm²
- Moving mass MMS 66g
- Moving mass (without air load) MMD 57g
Suspensions
- Stiffness KMS 4.55N/mm
- Compliance CMS 220µm/N
- Equivalent volume to the compliance VAS 94L
- Mechanical resistance RMS 2.4N·s/m
Dimensions
- Nominal diameter 12″
- 300mm
- Overall diameter 312mm
- Baffle cutout diameter 283mm
- Overall depth 165mm
- Volume occupied by the driver (estimated) 4.4L
- Net weight 11.3kg
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