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DB Drive Speed Series Amplifier SPA SPA1900D にも： 取扱説明書 (9 ページ)
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S
PEAKER CONNECTIONS
(SPA90.2 , SPA90.4 , SPA150.4)
Make the speaker connections using speaker wire that is at least 16
gauge or heavier.
As with any audio component, proper phasing of the amplifier and speakers is essential
for strong bass response. When connecting, make sure that positive (+) from the amplifier
is connected to the positive (+) of the speaker, and the same for negative (-).
***CAUTION! In the bridged mode, the amplifier must see a 4 Ohm load or higher. Any
lower than 4 ohms will cause the amplifier to overheat and possible cause permanent
damage to the amplifier!
R (-) R (+) L (-)
L (+)
speaker
output
(-) ------ bridged ------ (+)
+
-
4 Ohm Speaker
R (-) R (+) L (-)
L (+)
speaker
output
(-) ------ bridged ------ (+)
+
-
+
-
4 Ohm Speaker
4 Ohm Speaker
ch4-
ch4+
ch3-
ch3+
ch2-
ch2+
speaker
output
(-) ---- bridged ---- (+)
(-) ---- bridged ---- (+)
-
+
4 Ohm Speaker
4 Ohm Speaker
power
fuses
+12v
rem
gnd
protect
power
fuses
+12v
rem
gnd
protect
power
fuses
+12v
rem
gnd
ch1-
ch1+
protect
+
-
9
ch4-
ch4+
ch3-
ch3+
ch2-
ch2+
speaker
output
(-) ---- bridged ---- (+)
(-) ---- bridged ---- (+)
+
-
+
-
+
4 Ohm Speaker
4 Ohm Speaker
4 Ohm Speaker
R
EMOTE BASS CONTROL MODULE
(SPA1000D, SPA1300D, SPA1600D, SPA1900D
Before connecting the remote, it will be necessary to find a mounting location that will be
easy to access for adjustment. Once you select your mounting location, you will need to run
the control wire from the remote to the amplifier. To avoid possibility of induced noise from
the car's electrical system (i.e. popping noises or engine noise), run the cable from the
remote to the amplifier away from the car's electrical wiring.
x-over
low full high
0dB 18dB
60Hz 400Hz
min max
bass
freq
input
boost
level
power
fuses
+12v
rem
gnd
ch1-
ch1+
protect
-
+
-
4 Ohm Speaker
Included
)
input
ch 1
ch 3
x-over
low full high
remote
min max
60Hz 400Hz
0dB 18dB
input
freq
bass
level
boost
ch 2
ch 4
spa90.4
classAB 4 channel amplifier
10