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7
Troubleshooting
In the unlikely event that your SVT-8 PRO should malfunction, take a few minutes to troubleshoot it before you call
for service. You can save yourself time and money by doing it yourself, and often the cure for the problem is something
quite simple.
If the problem isn’t covered above, or if the steps lead you here, then contact your Ampeg dealer for service informa-
tion. Also, you should refer your amp for servicing if it gets dropped, has liquid spilled into it, or sustains damage to its
power cord (see page 2). Regular maintenance and cleaning should be performed on a routine basis to prolong the ampli-
fier’s useful life.
System Block Diagram
INPUT
PAD
GAIN
MUTE
BASS
PEAK
TREBLE
ULTRA
LOW
ULTRA
HIGH
TUNER
OUTPUT
EFFECTS
LOOP
PULL
ON
PREAMP
OUT
POWER
AMP IN
SPEAKERS
MID
FREQ
MASTER
MID
MUTE
1+
2+
1- 2-
PRE
POST
DRIVE POWER
POWER
REDUCTION
GND
LIFT
TRANSFORMER
BALANCED LINE
OUTPUT
1+
2+
1-
2-
SVT-8 PRO Bass Amplifier