Image Dynamics USA ID V4 Series Owner's Manual page 9

PARAMETERS FOR ID SERIES SUBWOOFERS
(Due to Constant Improvements, Specifications and Parameters are subject to change without notice.)
VC Impedance (ohms)
Test Impedance (ohms)
Driver Displacement
Voice Coil Size (inches)
Voice Coil Height mm (inch)
Voice Coil Type / Former
DC Resistance (Ohms)
Voice Coil Induct @ 1 kHz (MH)
Frequency Response (Hz)
Resonant Freq. Fs Hz
HE-Magnetic Gap Height mm (inch)
Motor Structure (ounces)
Mounting Depth mm (inch)
Mounting Cutout Diameter mm (inch)
Power (Rec. RMS/Max RMS)
* Please note specifications are tested by individual coil configuration
Fs (Hz)
SD (sqCM)
Vas (Ltr)
Cms (µm/N)
Mms (g)
BL™
Qms
Qes
Qts
No (%)
Spl (dB)
Xmax (mm)
Voice Coil Wire
Net Weight (lbs)
250/500 watts
ID12D2
2Ω + 2Ω
1.9Ω
0.122 cuft. 0.122 cuft.
45
497.60
21.65
61.58
207.8
12.65
5.561
0.698
0.628
0.273%
86
13.95 mm 13.95 mm
2.0
35.9 (1.41") 35.9 (1.41")
BASV
Copper
1.9
0.50
45-500Hz
45
8 (0.315") 8 (0.315")
127 oz
144 (5.67") 144 (5.67")
296 (11.65") 296 (11.65")
10 lbs
250/500 watts
9
ID12D4
4Ω + 4Ω
3.8Ω
45
497.60
24.89
64.13
192.2
10.62
5.582
0.698
0.787
0.238%
86
2.0
BASV
Copper
3.8
0.40
45-500Hz
45
127 oz
10 lbs