Transcript
SB
8” SB23MFCL45-4 8.5 Ø 219.0±0.2
Ø203.0
Ø130.0
Ø 234.0±0.25
Ø4.3 (x8) Ø7.9 (x8)
122.1 137.7
Specs :
FEATURES Long stroke design Linear high stability suspension Low damping rubber surround Long copper voice coil Non-conducting reinforced fibre glass coil former Very stiff mineral filled Polypropylene cone Vented cast aluminium chassis Large vented motor system Long life silver lead wires Optimized for smaller enclosures
Nominal Impedance
4W
Free air resonance, Fs
27 Hz
DC resistance, Re
3.3 W
Sensitivity (2.83 V / 1 m)
87.5 dB
Mechanical Q-factor, Qms
7.7
Electrical Q-factor, Qes
0.36
Voice coil inductance, Le 0.73 mH cm2
Effective piston area, Sd
210
Voice coil diameter
45.5 mm
Total Q-factor, Qts
0.34
Voice coil height
32 mm
Moving mass incl.air, Mms
59 g
Air gap height
8 mm
Force factor, Bl
9.6 Tm
Linear coil travel (p-p)
24 mm
Equivalent volume, Vas
37 liters
Magnetic flux density
1.03 T
Compliance, Cms
0.59 mm/N
Magnet weight
2.0 kg
Mechanical loss, Rms
1.3 kg/s
Net weight
4.7 kg
Rated power handling*
150 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
95
76
90
70
85
63
80
56
75
50
70
43
65
36
60
30
55
23
50
16
45
10
dB
83
40 20
50
100
200
500
1k
2k
5k
10k
Ohm
100
3 2 kHz
(IEC baffle, mic distance 31.6 cm, SPL shown for 2.83 V / 1 m) REV.3 (11.03.2016)
Response Curve : ------ (Blue) : on axis
------ ( Green ) : 30° off-axis
--------- (Red) : 60° off-axis
