Specifications

PARAMETERS FOR POWERBASS M SERIES WOOFERS
(Due to Constant Improvements, Specifications and Parameters are subject to change without notice.)
M-104 M-104D M-124 M-124D M-154 M-154D
VC Impedance
(ohms)
4Ω 4Ω + 4Ω 4Ω 4Ω + 4Ω 4Ω 4Ω + 4Ω
Test Impedance
(ohms)
3.2 1.6 3.2 1.6 3.2 1.6
Fs (Hz)
34 32 29 29 22 20.5
SD (sqCM)
330.1 330.1 510.7 510.7 779.3 779.3
Vas (Ltr)
31.4 30.6 77.3 68.7 204.2 179.4
Cms (M/N)
203.1 175.1 212.2 161.2 236.8 188.9
Mms (g)
103.4 109 139.1 165 204.2 240.1
BL™
13.7 8.8 13.6 9.86 14.4 11.2
Qms
4.14 3.4 3.6 3.3 3.9 3.2
Qes
0.4 0.53 0.46 0.54 0.48 0.49
Qts
0.37 0.46 0.41 0.49 0.43 0.45
No (%)
0.325 0.245 0.32 0.275 0.322 0.248
Spl (dB)
91 91 92 92 94 94
Xmax (mm)
9 9.2 9.5 9.5 11 11
Voice Coil Size
(inches)
2.0 2.0 2.0 2.0 2.5 2.5
Frequency
Response (Hz)
34-500 32-500 29-450 29-450 22-400 22-400
Motor Structure
158 oz. 158 oz. 164 oz. 164 oz. 220 oz. 220 oz.
Mounting Depth
5.125” 5.125” 5.5 5.5” 6.5” 6.5”
Power (RMS/
Peak)
325/650
watts
325/650
watts
375/750
watts
375/750
watts
425/850
watts
425/850
watts