- Nominal diameter
- 12″ / 305 mm
- Resonance
- 86 Hz
- Q factor
- 0.65
- Sensitivity
- 99 dB
- Linear excursion
- ± 0.8 mm
- Program Power
- 100 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
- Sensitivity (1W, 1m, infinite baffle) SPL1W 98.6dB
- Frequency response 80 - 5100Hz
Thiele & Small parameters
- Resonance frequency (free air) fS 86Hz
- Mechanical quality factor QMS 19.54
- Electrical quality factor QES 0.67
- Total quality factor QTS 0.65
Large signal parameters
- Maximum linear excursion xmax 0.8mm
- Air volume displaced at xmax VD 41cm³
- Power handling P 50W
- Program power Pmax 100W
Voice Coil
- Nominal impedance Z 8Ω
- DC resistance RE 6.4Ω
- Inductance (1kHz) LE 0.64mH
- VC Diameter 44mm
- Winding material Copper
- Former material Paper
Magnet
- Force factor Bl 12N/A
- Motor constant Bl/√RE 4.75N/√W
- Air gap height HAG 7.9mm
- Weight 1.077kg
- Material Ferrite
Diaphragm
- Effective diameter 254mm
- Effective area SD 507cm²
- Moving mass MMS 28g
- Moving mass (without air load) MMD 19.9g
- Material Paper
Suspensions
- Stiffness KMS 8.33N/mm
- Compliance CMS 120µm/N
- Equivalent volume to the compliance VAS 43.9L
- Mechanical resistance RMS 0.77N·s/m
- Surround material Paper
Dimensions
- Nominal diameter 12″
- 305mm
- Overall diameter 306mm
- Baffle cutout diameter 281mm
- Overall depth 130mm
- Volume occupied by the driver 2L
- Net weight 3.67kg
- Frame material Pressed steel
Similar speaker drivers to Eminence LEGEND GB128
12″Guitar Speaker
- fS
- 89 Hz
- SD
- 520 cm²
70 - 4000 Hz
- QTS
- 0.68
- xmax
- 0.8 mm
- SPL1W
- 98 dB
- Bl/√RE
- 4.89
- Pmax
- 300 W
12″Guitar Speaker
- fS
- 88 Hz
- SD
- 491 cm²
- QTS
- 0.72
- xmax
- 1.0 mm
- SPL1W
- 99 dB
- Bl/√RE
- 4.49
- Pmax
- 150 W
12″Guitar Speaker
- fS
- 85 Hz
- SD
- 491 cm²
- QTS
- 0.59
- SPL1W
- 99 dB
- Bl/√RE
- 4.96
- Pmax
- 200 W