5
Lightning Audio L2-DVC
10"
12"
L2-D210 / L2-D410
L2-D212 / L2-D412
Nominal Impedance (ohms)
2 x 2
Ω
/ 2 x 4
Ω
2 x 2
Ω
/ 2 x 4
Ω
Frequency Response (Hz)
18-250 / 19-250
18-250 / 18-250
Voice Coil Diameter - inch
2.0 (4-Layer)
2.0 (4-Layer)
(cm)
(5.08)
(5.08)
Displacement - cu. ft.
0.05
0.06
(Liter)
(1.47)
(1.61)
Fs - Free Air Resonance (Hz)
25 / 26.5
23 / 23.5
Qts
0.53 / 0.57
0.61 / 0.63
Vas - cu. ft.
1.56 / 1.65
2.92 / 3.12
(Liter)
(44.3 / 47.0)
(82.7 / 88.6)
Xmax - inch
0.98 / 0.83
0.89 / 0.83
(mm)
(25.0 / 21.2)
(22.5 / 21.20)
SPL (dB @ 1w/1m)
83 / 84
84 / 84
Power Handling-Watts (RMS)
250
250
(Peak)
500
500
S
S
P
PE
EC
CIIF
FIIC
CA
AT
TIIO
ON
NS
S
W
W
IIR
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NG
G
C
C
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ON
NF
FIIG
GU
UR
RA
AT
TIIO
ON
NS
S
By varying the wiring configuration of your speakers you can create an impedance
load to match your system. Altering the wiring configurations gives a range of options
for impedance loads. Series, Parallel, or Series-Parallel wiring configurations are dif-
ferent techniques for wiring speakers that provide different loads. Series configuration
is a string method where speakers are wired end to end. Parallel configuration uses
two or more speakers wired across common terminals. Series-Parallel configuration
combines both techniques. Choose the wiring diagram that corresponds to the number
of woofers and the impedance of your amplifier.
S
SU
UB
BW
WO
OO
OF
FE
ER
R C
CR
RO
OS
SS
SO
OV
VE
ER
RS
S
There are two operational types of crossovers, passive and active. Passive crossovers
(coils or inductors) are placed on the speaker leads between the amplifier and speaker.
An active crossover is an electronic filter that separates the audio signal fed to differ-
ent amplifiers. For optimum subwoofer performance, we recommend using an active
80-100Hz low-pass crossover at 12dB/octave.
S
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