| Nominal diameter | 12″ / 305 mm |
| Resonance | 55 Hz |
| Q factor | 0.31 |
| Sensitivity | 99.3 dB |
| Linear excursion | ± 4.8 mm |
| Program Power | 1200 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 99.3dB
- Frequency response 55 - 5000Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 55Hz
- Mechanical quality factor QMS 10.53
- Electrical quality factor QES 0.31
- Total quality factor QTS 0.31
Large signal parameters
- Maximum linear excursion xmax 4.8mm
- Air volume displaced at xmax VD 258cm³
- Power handling P 600W
- Program power Pmax 1200W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.2Ω
- Inductance (1kHz) LE 0.4mH
- VC Diameter 76.2mm
- Winding height HVC 19mm
- Winding material Flat Aluminium Wire
- Former material Glass Fiber
Magnet
- Flux density B 1.1T
- Force factor Bl 21.4N/A
- Motor constant Bl/√RE 8.59N/√W
- Air gap height HAG 9.5mm
- Material Neodymium
Diaphragm
- Effective diameter 263mm
- Effective area SD 543cm²
- Moving mass MMS 65.5g
- Moving mass (without air load) MMD 43.2g
- Material Waterproof Paper
Suspensions
- Stiffness KMS 6.37N/mm
- Compliance CMS 157µm/N
- Equivalent volume to the compliance VAS 50.3L
- Mechanical resistance RMS 1.71N·s/m
- Surround material Cloth
- Spider material Single
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 313mm
- Baffle cutout diameter 283mm
- Overall depth 150mm
- Flange thickness 15mm
- Mounting depth 131mm
- Volume occupied by the driver (estimated) 2.1L
- Net weight 4.1kg
- Frame material Aluminium
Similar speaker drivers to P.Audio 12NX-76MB
Oberton 12H4CX728 Ω |
|---|
| 12″ Coaxial |
| fS | 49.9 Hz |
| SD | 515 cm² |
| 60 - 18000 Hz |
| QTS | 0.25 |
| xmax | 4.5 mm |
| SPL1W | 98.1 dB |
| Bl/√RE | 7.81 |
| Pmax | 800 W |
Eighteen Sound 12W7504 Ω |
|---|
| 12″ Subwoofer |
| fS | 55 Hz |
| SD | 531 cm² |
| 50 - 4600 Hz |
| QTS | 0.27 |
| xmax | 7 mm |
| SPL1W | 96.5 dB |
| Bl/√RE | 8.41 |
| Pmax | 1200 W |
Celestion BN12-300S (8)8 Ω |
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| 12″ Bass Guitar Speaker |
| fS | 62.1 Hz |
| SD | 531 cm² |
| 50 - 4000 Hz |
| QTS | 0.32 |
| xmax | 2.5 mm |
| SPL1W | 97 dB |
| Bl/√RE | 7.52 |
| Pmax | 600 W |