Beyma 8WRS300

Woofer

8″ / 200 mm
Nominal diameter
69 Hz
Resonance
0.3
Q factor
93 dB
Sensitivity
± 6 mm
Linear excursion
600 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
92.9
dB
Frequency response
70 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
69.0
Hz
Mechanical quality factor
QMS
2.70
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.30

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
32.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
51
mm
Winding height
HVC
15
mm

Magnet

Force factor
Bl
15.5
N/A
Motor constant
Bl/√RE
6.38
N/√W
Air gap height
HAG
8
mm

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
28
g
Moving mass (without air load)
MMD
25.6
g

Suspensions

Stiffness
KMS
5.21
N/mm
Compliance
CMS
192
µm/N
Equivalent volume to the compliance
VAS
13.1
L
Mechanical resistance
RMS
4.5
N·s/m

Dimensions

Nominal diameter
8
200
mm
Overall diameter
210
mm
Baffle cutout diameter
180
mm
Overall depth
95
mm
Volume occupied by the driver (estimated)
1.1
L
Net weight
3.25
kg
Beyma 8WRS300 SPL & Impedance
Beyma 8WRS300 Dimensions

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Similar woofers to Beyma 8WRS300

Oberton 8NB201 Mid-range
8Mid-range
fS
71 Hz
SD
202 cm²
65 - 3000 Hz
QTS
0.25
xmax
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SPL1W
94 dB
Bl/√RE
6.28
Pmax
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Beyma 8WR300 Woofer
8Woofer
fS
65 Hz
SD
220 cm²
65 - 4000 Hz
QTS
0.28
xmax
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SPL1W
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Bl/√RE
6.33
Pmax
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