Reckhorn D-200
Subwoofer
8″ / 200 mm
Nominal diameter
29 Hz
Resonance
0.3
Q factor
86 dB
Sensitivity
± 8 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
29.3
Hz
Mechanical quality factor
QMS
5.51
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
171
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
2.0
mH
VC Diameter
38
mm
Winding height
HVC
24
mm
Magnet
Force factor
Bl
11.16
N/A
Motor constant
Bl/√RE
5.8
N/√W
Diaphragm
Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
59
g
Moving mass (without air load)
MMD
56.6
g
Material
Aluminium
Suspensions
Stiffness
KMS
2.0
N/mm
Compliance
CMS
500
µm/N
Equivalent volume to the compliance
VAS
32
L
Mechanical resistance
RMS
1.97
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
213
mm
Baffle cutout diameter
185
mm
Overall depth
118
mm
Flange thickness
8
mm
Mounting depth
110
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
3.4
kg
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SpeakerbenchSimilar subwoofers to Reckhorn D-200
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10″Woofer
fS
26 Hz
SD
342 cm²
20 - 1000 Hz
QTS
0.27
xmax
15.0 mm
SPL1W
85 dB
Bl/√RE
9.46
Pmax
500 W
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10″Subwoofer
fS
26 Hz
SD
342 cm²
20 - 1000 Hz
QTS
0.27
xmax
15.0 mm
SPL1W
85 dB
Bl/√RE
9.46
Pmax
500 W
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