Acoustic Elegance TD18H+8
4Ω
8Ω
Subwoofer
18″ / 457 mm
Nominal diameter
29 Hz
Resonance
0.22
Q factor
99 dB
Sensitivity
± 14 mm
Linear excursion
2000 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 99.0
- dB
- Frequency response
- 20 - 1000
- Hz
- Resonance frequency (free air)
- fS
- 29.0
- Hz
- Mechanical quality factor
- QMS
- 5.90
- Electrical quality factor
- QES
- 0.23
- Total quality factor
- QTS
- 0.22
- Maximum linear excursion
- xmax
- 14.0
- mm
- Maximum excursion before damage
- xlim
- 25.0
- mm
- Air volume displaced at xmax
- VD
- 1705
- cm³
- Power handling
- P
- 1000
- W
- Program power
- Pmax
- 2000
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.6
- Ω
- Inductance (1kHz)
- LE
- 0.41
- mH
- Force factor
- Bl
- 27.06
- N/A
- Motor constant
- Bl/√RE
- 11.4
- N/√W
- Effective diameter
- 394
- mm
- Effective area
- SD
- 1218
- cm²
- Moving mass
- MMS
- 165
- g
- Moving mass (without air load)
- MMD
- 135.7
- g
- Stiffness
- KMS
- 5.26
- N/mm
- Compliance
- CMS
- 190
- µm/N
- Equivalent volume to the compliance
- VAS
- 390
- L
- Mechanical resistance
- RMS
- 5.03
- N·s/m
- Nominal diameter
- 18
- ″
- 457
- mm
- Volume occupied by the driver (estimated)
- 6.9
- L