Black Hydra HDC-2.25
Mid Bass
6.5″ / 160 mm
Nominal diameter
59 Hz
Resonance
0.5
Q factor
92 dB
Sensitivity
135 W
Program Power
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.1
- dB
- Resonance frequency (free air)
- fS
- 59.4
- Hz
- Mechanical quality factor
- QMS
- 8.92
- Electrical quality factor
- QES
- 0.53
- Total quality factor
- QTS
- 0.50
- Power handling
- P
- 65
- W
- Program power
- Pmax
- 135
- W
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.1
- Ω
- Inductance (1kHz, estimated)
- LE
- 0.2
- mH
- Winding material
- Copper
- Force factor
- Bl
- 5.3
- N/A
- Motor constant
- Bl/√RE
- 3.01
- N/√W
- Effective diameter
- 160
- mm
- Effective area
- SD
- 201
- cm²
- Moving mass
- MMS
- 12.8
- g
- Moving mass (without air load)
- MMD
- 11.1
- g
- Stiffness
- KMS
- 1.8
- N/mm
- Compliance
- CMS
- 555
- µm/N
- Equivalent volume to the compliance
- VAS
- 31.8
- L
- Mechanical resistance
- RMS
- 0.53
- 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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