DB Drive Speed Series Amplifier SPA SPA1900D Gebrauchsanweisung - Seite 8
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T
ROUBLE SHOOTING THE SYSTEM
We have put together this trouble-shooting guide if you experience problems after
installing the amplifier. Please keep in mind that the majority of problems incurred are
caused by improper installation and not the equipment itself. In addition, there are many
components in the system that could cause various signal problems such as inducted
electrical noise and engine noise.
Before you can properly address the problem, you must first find the component that is
causing the problem. This will take patience and a process of elimination.
LOOK FOR.....
No Output
Blown fuse
Bad RCA Cable(s)
+12V at power terminal
+12V at remote terminal
Grounding point clean and tight
Head Unit's fader not in center position
Master & Slave settings
Low Output
Check level adjustments
Re-adjust
Bad RCA cable(s)
Improper level matching
Master & Slave settings
Engine Noise
Grounding points are clean and tight
Ground all components at same point
Try different grounding point
Bad RCA cable(s)
Use High Quality shielded RCA cables
Low Vehicle charging system and/or battery Fix and/or replace
Red Protection L.E.D. illuminated
Speaker short
Speaker grounding out
Impedance too low
Overheating
SOLUTION
Replace
Replace
Check connection
Check connection
Check for ground w/meter
Set to center position
Confirm correct setting
Replace
Re-adjust
Confirm correct setting
Check for ground w/meter
Ground at same point
Change for better ground
Replace
Rejects inducted noise
Check speakers connection
for short circuit
Make sure speaker wires
Do not touch chassis ground
Check speaker impedance
Check mounting location
for Adequate air circulation
speaker impedance too low
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S
PECIFICATIONS
SPA90.2
Input Voltage @ 11 - 14.4 VDC:
@ 4 ohm
1 x 350W
@ 4 ohms Bridged
2 x 175W
@ 2 ohm
10Hz-20Khz
Frequency Resp.
S/N Ratio (A-weight)
200mV. - 5.8 V
Low Input Level
Hi/Low Pass
Crossover Type
55Hz - 400Hz
Crossover Freq. (Lowpass)
12db per oct
Crossover Slope
18dB @ 45Hz
Bass EQ.
2 x 20 amp
Fuse Rating
Remote Bass
Input Voltage @ 11 - 14.4 VDC:
SPA1000D
@ 4 ohm
1 x 250W
@ 2 ohm
1 x 500W
@ 1 ohm
1 x 1000W
Frequency Resp.
20Hz - 250Hz
S/N Ratio (A-weight)
Low Input Level
246mV - 5.9V
Crossover Type
Low Pass
Crossover Freq. (Lowpass)
40Hz - 150Hz
Crossover Slope
18dB/oct
Bass EQ.
18dB @ 45Hz
20Hz - 50Hz
Subsonic Filter
Remote Control Included
Fuse Rating
2 x 20 amp
Remote Bass
SPA1600D
Input Voltage @ 11 - 14.4 VDC:
1 x 400W
@ 4 ohm
1 x 800W
@ 2 ohm
1 1600W
@ 1 ohm
20Hz - 250Hz
Frequency Resp.
S/N Ratio (A-weight)
246mV - 5.9V
Low Input Level
Low Pass
Crossover Type
40Hz - 150Hz
Crossover Freq. (Lowpass)
18db/oct
Crossover Slope
18dB @ 45Hz
Bass EQ.
20Hz - 50Hz
Subsonic Filter
Remote Control Included
2 x 30 amp
Fuse Rating
Remote Bass
Due to continuous improvement of the product the Specifications are subject to change without notice.
SPA90.4
4 x 90W
2 x 90W
2 x 350W
4 x 175W
10Hz-20Khz
>90dB
>90dB
200mV. - 5.8 V
Hi/Low Pass
55Hz - 400Hz
12db per oct
18dB @ 45Hz
2 x 25 amp
no
optional
SPA1300D
1 x 325W
1 x 650W
1 x 1300W
20Hz - 250Hz
>90dB
>90dB
246mV - 5.9V
Low Pass
40Hz - 150Hz
18dB/oct
18dB @ 45Hz
20Hz - 50Hz
Yes
Yes
2 x 25 amp
included
included
SPA1900D
1 x 475W
1 x 950W
1 x 1900W
20Hz - 250Hz
>90dB
>90dB
246mV - 5.9V
Low Pass
40Hz - 150Hz
18dB/oct
18dB @ 45Hz
20Hz - 50Hz
Yes
Yes
3 x 30 amp
included
included
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