Black Hydra HGC-2.28
Mid Bass
6.5″ / 160 mm
Nominal diameter
56 Hz
Resonance
0.54
Q factor
90 dB
Sensitivity
150 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 90.0
- dB
- Resonance frequency (free air)
- fS
- 56.1
- Hz
- Mechanical quality factor
- QMS
- 6.81
- Electrical quality factor
- QES
- 0.59
- Total quality factor
- QTS
- 0.54
- Power handling
- P
- 75
- W
- Program power
- Pmax
- 150
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.27
- mH
- Winding material
- Copper
- Force factor
- Bl
- 6.3
- N/A
- Motor constant
- Bl/√RE
- 3.58
- N/√W
- Effective diameter
- 160
- mm
- Effective area
- SD
- 201
- cm²
- Moving mass
- MMS
- 20.2
- g
- Moving mass (without air load)
- MMD
- 18.6
- g
- Stiffness
- KMS
- 2.85
- N/mm
- Compliance
- CMS
- 351
- µm/N
- Equivalent volume to the compliance
- VAS
- 20.1
- L
- Mechanical resistance
- RMS
- 1.05
- N·s/m
- Nominal diameter
- 6.5
- ″
- 160
- mm
- Volume occupied by the driver (estimated)
- 0.46
- L
- Frame material
- Steel
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