Reckhorn D-250
Subwoofer
10″ / 250 mm
Nominal diameter
22 Hz
Resonance
0.33
Q factor
86 dB
Sensitivity
± 13 mm
Linear excursion
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- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 86.1
- dB
- Resonance frequency (free air)
- fS
- 22.0
- Hz
- Mechanical quality factor
- QMS
- 4.26
- Electrical quality factor
- QES
- 0.36
- Total quality factor
- QTS
- 0.33
- Maximum linear excursion
- xmax
- 13.0
- mm
- Air volume displaced at xmax
- VD
- 429
- cm³
- Nominal impedance
- Z
- 4
- Ω
- DC resistance
- RE
- 3.8
- Ω
- Inductance (1kHz)
- LE
- 2.32
- mH
- Force factor
- Bl
- 11.38
- N/A
- Motor constant
- Bl/√RE
- 5.83
- N/√W
- Effective diameter
- 205
- mm
- Effective area
- SD
- 330
- cm²
- Moving mass
- MMS
- 88
- g
- Moving mass (without air load)
- MMD
- 83.6
- g
- Stiffness
- KMS
- 1.67
- N/mm
- Compliance
- CMS
- 600
- µm/N
- Equivalent volume to the compliance
- VAS
- 91
- L
- Mechanical resistance
- RMS
- 2.85
- N·s/m
- Nominal diameter
- 10
- ″
- 250
- mm
- Overall diameter
- 260
- mm
- Baffle cutout diameter
- 230
- mm
- Overall depth
- 145
- mm
- Flange thickness
- 8
- mm
- Mounting depth
- 137
- mm
- Volume occupied by the driver (estimated)
- 2.1
- L
- Net weight
- 5.1
- kg
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