| Nominal diameter | 12″ / 300 mm |
| Resonance | 53 Hz |
| Q factor | 0.36 |
| Sensitivity | 95.4 dB |
| Linear excursion | ± 4.7 mm |
| Program Power | 500 W |
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Specifications
- Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
- Frequency response 50 - 3000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 53Hz
- Mechanical quality factor QMS 4.31
- Electrical quality factor QES 0.39
- Total quality factor QTS 0.36
Large signal parameters
- Maximum linear excursion (one way) xmax 4.7mm
- Maximum excursion before damage xlim 8.8mm
- Air volume displaced at xmax VD 250cm³
- Power handling P 250W
- Program power Pmax 500W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 5.7Ω
- Inductance (1kHz) LE 0.77mH
- VC Diameter 65mm
- Winding height HVC 13.4mm
- Winding material Copper
- Former material Glass fiber
Magnet
- Force factor Bl 15.9N/A
- Motor constant Bl/√RE 6.64N/√W
- Air gap height HAG 8.2mm
- Diameter 64mm
- Height 8mm
- Material Neodymium
Diaphragm
- Effective diameter 260mm
- Effective area SD 531cm²
- Moving mass MMS 52.3g
- Moving mass (without air load) MMD 43.9g
- Material Water resistant treated paper
Suspensions
- Stiffness KMS 5.75N/mm
- Compliance CMS 174µm/N
- Equivalent volume to the compliance VAS 69.4L
- Mechanical resistance RMS 4.04N·s/m
- Surround material Polycotton
Dimensions
- Nominal diameter 12″
- 300mm
- Volume occupied by the driver 1.6L
- Net weight 2.1kg
- Frame material Steel
Similar woofers to LaVoce WSN122.50
P.Audio 12BM-500B8 Ω |
|---|
| 12″ Low frequency |
| fS | 52 Hz |
| SD | 552 cm² |
| 50 - 3000 Hz |
| QTS | 0.35 |
| xmax | 4.8 mm |
| SPL1W | 95.9 dB |
| Bl/√RE | 7.01 |
| Pmax | 1000 W |
LaVoce CAF123.00T8 Ω |
|---|
| 12″ Coaxial |
| fS | 53 Hz |
| SD | 531 cm² |
| 500 - 18000 Hz |
| QTS | 0.36 |
| xmax | 6 mm |
| SPL1W | 95.5 dB |
| Bl/√RE | 6.6 |
| Pmax | 700 W |
LaVoce CAF123.00TH8 Ω |
|---|
| 12″ Coaxial |
| fS | 53 Hz |
| SD | 531 cm² |
| 50 - 18000 Hz |
| QTS | 0.36 |
| xmax | 6 mm |
| SPL1W | 95.5 dB |
| Bl/√RE | 6.6 |
| Pmax | 700 W |