Eminence TF-1250
Guitar Speaker
12″ / 305 mm
Nominal diameter
95 Hz
Resonance
0.88
Q factor
98 dB
Sensitivity
± 0.47 mm
Linear excursion
100 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 98.4
- dB
- Frequency response
- 80 - 4400
- Hz
- Resonance frequency (free air)
- fS
- 95.0
- Hz
- Mechanical quality factor
- QMS
- 8.50
- Electrical quality factor
- QES
- 0.98
- Total quality factor
- QTS
- 0.88
- Maximum linear excursion
- xmax
- 0.47
- mm
- Air volume displaced at xmax
- VD
- 24
- cm³
- Power handling
- P
- 50
- W
- Program power
- Pmax
- 100
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 7.2
- Ω
- Inductance (1kHz)
- LE
- 0.51
- mH
- VC Diameter
- 38
- mm
- Winding material
- Copper
- Former material
- Polyimide
- Force factor
- Bl
- 11.39
- N/A
- Motor constant
- Bl/√RE
- 4.24
- N/√W
- Air gap height
- HAG
- 8
- mm
- Weight
- 0.85
- kg
- Material
- Ferrite
- Effective diameter
- 257
- mm
- Effective area
- SD
- 520
- cm²
- Moving mass
- MMS
- 29
- g
- Moving mass (without air load)
- MMD
- 20.6
- g
- Material
- Full molded paper
- Stiffness
- KMS
- 10.0
- N/mm
- Compliance
- CMS
- 100
- µm/N
- Equivalent volume to the compliance
- VAS
- 37.5
- L
- Mechanical resistance
- RMS
- 2.04
- N·s/m
- Surround material
- Paper
- Nominal diameter
- 12
- ″
- 305
- mm
- Overall diameter
- 309
- mm
- Baffle cutout diameter
- 283
- mm
- Overall depth
- 126
- mm
- Volume occupied by the driver
- 1.93
- L
- Net weight
- 2.99
- kg
- Frame material
- Pressed steel