Clarion APX400.4M Betriebs- und Installationshandbuch - Seite 15
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Problem
Audio lacks punch.
Solution
Speakers wired incorrectly, which causes cancellation of bass frequencies.
Check polarity of wires from amplifier to each speaker as defined by the
system design.
Problem
Amplifier fuse keeps blowing.
Solution
Incorrect wiring or short circuit. Review Installation and check all wiring
connections.
Problem
Whining or ticking noise in the audio with engine on.
Solution
Amplifier is picking up alternator noise or radiated noise. Turn down input
gain; move audio cables away from power wires. Check power and ground
connections on amplifier; install an in-line noise filter on source unit's power
wire; check alternator and/or voltage regulator; test for weak battery or add
water to battery
PRODUCT SPECS
Frequency Response
Signal Noise Ratio
THD
Input Sensitivity Low Level
Input Sensitivity Speaker Level
Max. Power Output
Cont. Power Output
2-Ohm Stereo Output
Bridged Power
Dimensions
Current Consumption @ Max Power Output
NOTES
APX400.4M
20Hz ~ 20kHz
>95db
.05% all channels driven
250mV ~ 2.5V
500mV ~ 5V
380W (190 x 2)
200W (50W x4) @.08% THD
90 x 4 @ .8% THD
190 x 2 @ .8% THD
2 1/8"H x 8 1/4"W x 12" L
46A @ 380 Watts
13