DB Drive Euphoria M750 Podręcznik użytkownika - Strona 8
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PROBLEM
LOOK FOR
No Output
Blown fuse
Bad RCA Cable(s)
+12V at power terminal
+12V at remote terminal
Grounding point are clean and tight
Head unit's fader not in center position
Master and slave settings
Low Output
Check level adjustments
Re-adjust
Bad RCA cable(s)
Improper level matching
Master and 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
Red protection L.E.D. illumintaed
Speaker short
Speaker grounding out
Impedance too low
Overheating
Power (RMS) @ 14.4 VDC , THD 1% 4Ω Bridgeable:
SOLUTION
Replace
Replace
Check connection
Check connection
Check for ground w/meter
Set to center position
Confirm correct setting
Replace
Re-adjust
Confirm correct settings
Check for ground w/meter
Ground at same point
Change for better ground
Replace
Rejects inducted noise
Fix and/or replace
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
F475
Power (RMS) @ 14.4 VDC , THD .04% 4Ω:
4 x 75W
Power (RMS) @ 14.4 VDC , THD 1% 2Ω:
4 x 95W
2 x 300W
Power Supply Input Voltage:
11VDC to 15VDC
THD (1kHz @ 4Ω):
0.04%
Bandwidth (-3 dB):
18Hz - 22KHz
Damping Factor (1kHz @ 4Ω):
100
S/N Ratio (as weighted @ 1 Volt):
99db
Input Sensitivity:
.20MV - 7.0V RMS
Minimum Load Impedance:
2Ω
Input:
Pre In RCA
Channel 1-2 Filter Slope:
12dB
Channel 1-2 Filter Range:
(FR = Un-filtered)
(HP = 50Hz - 4KHz)
Channel 3-4 Filter Slope:
HP @ 12db St. , LP/BP @ 12dB St.
Channel 3-4 Filter Range:0Hz)
(HP = 50Hz ~ 4KHz) (BP = 32Hz ~ 4KHz)
(LP = 32Hz ~ 250Hz)
M750
Power (RMS) @ 14.4 VDC , THD .04% 1Ω:
1 x 750W
Power (RMS) @ 14.4 VDC , THD 1% 2Ω:
1 x 325W
Power Supply Input Voltage:
11VDC to 15VDC
THD (1kHz @ 4Ω):
0.04%
Bandwidth (-3 dB):
10Hz - 220Hz
Damping Factor (1kHz @ 4Ω):
126
S/N Ratio (as weighted @ 1 Volt):
99db
Input Sensitivity:
.20MV - 7.0V RMS
Minimum Load Impedance:
1Ω
Input:
Pre In RCA
Output:
Pre out RCA Full Range
Mono Low Pass Filter Slope:
12dB
Low Pass Filter Range:
40Hz ~ 200Hz
Sub-sonic Filter Slope:
12dB
Sub-sonic Filter Range:
10Hz ~ 40Hz
Bass Boost @45Hz:
0 ~ 12db
M2250
Power (RMS) @ 14.4 VDC , THD .04% 1Ω:
1 x 2250W
Power (RMS) @ 14.4 VDC , THD 1% 2Ω:
1 x 1125W
Power Supply Input Voltage:
11VDC to 15VDC
THD (1kHz @ 4Ω):
0.04%
Bandwidth (-3 dB):
10Hz - 220Hz
Damping Factor (1kHz @ 4Ω):
126
S/N Ratio (as weighted @ 1 Volt):
99db
Input Sensitivity:
.20MV - 7.0V RMS
Minimum Load Impedance:
1Ω
Input:
Pre In RCA
Output:
Pre out RCA Full Range
Mono Low Pass Filter Slope:
12dB
Low Pass Filter Range:
40Hz ~ 200Hz
Sub-sonic Filter Slope:
12dB
Sub-sonic Filter Range:
10Hz ~ 40Hz
Bass Boost @45Hz:
0 ~ 12db
Dimensions
Length
F475
10" / 254mm
F4100
10.8" / 274mm
M750
7.6"/ 193mm
9.2" / 234mm
M1500
10.8" / 274mm
M2250
13" / 330mm
M2750
F4100
4 x 100W
4 x 150W
2 x 400 W
11VDC to 15VDC
0.04%
18Hz - 22KHz
100
99db
.20MV - 7.0V RMS
2Ω
Pre In RCA
12dB
(FR = Un-filtered)
(HP = 50Hz - 4KHz)
HP @ 12db St. , LP/BP @ 12dB St.
(HP = 50Hz ~ 4KHz) (BP = 32Hz ~ 4KHz)
(LP = 32Hz ~ 250Hz)
M1500
1 x 1500W
1 x 750W
11VDC to 15VDC
0.04%
10Hz - 220Hz
126
99db
.20MV - 7.0V RMS
1Ω
Pre In RCA
Pre out RCA Full Range
12dB
40Hz ~ 200Hz
12dB
10Hz ~ 40Hz
0 ~ 12db
M2750
1 x 2750W
1 x 1375W
11VDC to 15VDC
0.04%
10Hz - 220Hz
126
99db
.20MV - 7.0V RMS
1Ω
Pre In RCA
Pre out RCA Full Range
12dB
40Hz ~ 200Hz
12dB
10Hz ~ 40Hz
0 ~ 12db
Height
Width
2.28" / 58mm
7" / 178mm
2.28" / 58mm
7" / 178mm
2.28" / 58mm
7" / 178mm
2.28" / 58mm
7" / 178mm
2.28" / 58mm
7" / 178mm
2.28" / 58mm
7" / 178mm