SPECIFICATIONS
Item number
200.480
200.483
Series
Diamond
Diamond
Die Cast Woofer Die Cast Woofer
Diameter
inch
10
12
cm
25,4
30,48
Mounting depth
inch
5,75
6,22
mm
146
158
Nominal impedance
Z
Ω
4 @ 150 Hz
4 @ 150 Hz
Free air resonance frequency
Fs
Hz
51,43
36,6
Total Q-factor of driver
Qts
0,28
0,3
Equivalent acoustic volume
Vas
l
26,99
74,87
Vas
ft³
0,95
2,64
Max. power
Pe
W
300
400
Driver's SPL (1W @ 1m)
Ref
dB
85
88
Voice coil diameter
inch
2
2,5
mm
50,8
63,5
Piston area
Sd
m²
0,03
0,05
T*M Flux density
Bl
13,87
14,84
Half-space ref. efficiency
η
o %
1,08
1,02
Mechanical suspension compliance
Cms
mm/N
0,18
0,21
Mechanical mass of cone & free air
load
Mms
g 53,98 91,74
Mechanical Q-factor of driver
Qms
2,21
2,20
Electrical Q-factor of driver
Qes
0,33
0,35
DC Voice coil resistance
Revc
Ω
3,6 3,6
Impedance @ top of resonance curve
Zmax
Ω
27,97 26,54
Free air resonance frequency
Fo
Hz
52
38
Magnet weight
oz
95
125
kg
2,71
3,57
Magnet Size
mm
156 x 85 x 20
(2x)
170 x 80 x 20
(2x)
Total Weight
oz
250,6
298,9
kg
7,16
8,54
Frequency response range
Hz
65 - 1200
58 - 1000
