Black Hydra HBC-3.28
Mid Bass
6.5″ / 160 mm
Nominal diameter
62 Hz
Resonance
0.47
Q factor
92 dB
Sensitivity
150 W
Program Power
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 91.9
- dB
- Resonance frequency (free air)
- fS
- 61.8
- Hz
- Mechanical quality factor
- QMS
- 3.16
- Electrical quality factor
- QES
- 0.55
- Total quality factor
- QTS
- 0.47
- Power handling
- P
- 80
- W
- Program power
- Pmax
- 150
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz)
- LE
- 0.66
- mH
- Winding material
- Copper
- Force factor
- Bl
- 5.6
- N/A
- Motor constant
- Bl/√RE
- 3.18
- N/√W
- Effective diameter
- 155
- mm
- Effective area
- SD
- 189
- cm²
- Moving mass
- MMS
- 13.1
- g
- Moving mass (without air load)
- MMD
- 11.6
- g
- Stiffness
- KMS
- 2.43
- N/mm
- Compliance
- CMS
- 412
- µm/N
- Equivalent volume to the compliance
- VAS
- 20.9
- L
- Mechanical resistance
- RMS
- 1.62
- N·s/m
- Nominal diameter
- 6.5
- ″
- 160
- mm
- Volume occupied by the driver (estimated)
- 0.46
- L
- Frame material
- Steel