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SVP-PRO Bass Preamp
The Rear Panel
21. AC LINE IN: Firmly insert the female
end of the AC power cord into this socket.
The grounded power cord should only be
plugged into a grounded power outlet that
meets all applicable electrical codes and is
compatible with the voltage, power and fre-
quency requirements stated on the rear
panel. Do not attempt to defeat the safe-
ty ground connection.
22. AC LINE SELECTOR: Use this switch
to match the unit to the AC line voltage.
23. FOOTSWITCH: Use this jack to con-
nect a two-button footswitch to the preamp
for remote control of the Mute and Graphic
EQ. (Tip controls Mute, ring controls the
Graphic EQ.) The front panel switches
remain active when a footswitch is con-
nected. The front panel Graphic EQ switch
(#13) must be depressed for the footswitch
to control the Graphic EQ.
24. PREAMP OUTS: Use these jacks to
connect the signal from the preamp to your
power amplifier, mixing console or house
PA system.
25. EFFECTS LOOP RETURN: Use this
jack to connect the signal from an external
effects processor to the preamp by means
of a shielded signal cable.
26. EFFECTS LOOP SEND: Use this jack
to connect the signal from the preamp to
the input of an external effects processor
by means of a shielded signal cable.
27. TUNER OUT: Use this jack to connect
the preamp to an external tuner. The signal
at this jack is a direct output from the instru-
ment. This is the only signal which remains
active when the Mute switch (#2) is
depressed.
28. PRE/POST: Use this switch to deter-
mine whether the signal at the Transformer
Balanced Out jack (#29) is pre-EQ (switch
in the out position) or post-EQ (switch
depressed).
29.TRANSFORMER BALANCED OUT:
Use this XLR jack to connect the preamp to
an external power amplifier, mixing console
or house PA system. The signal at this jack
is pre- or post-EQ depending on the setting
of the Pre/Post switch (#28).
MADE IN THE U.S.A. BY
SLM ELECTRONICS
1400 FERGUSON AVENUE
ST. LOUIS, MO 63133
AC LINE IN
115V 230V
SVP PRO
MODEL #
SERIAL #
FOOT
SWITCH
PREAMP OUT EFFECTS TUNER
OUT
TRANSFORMER BAL. OUT
PRE
POST
RETURN SEND
21 22 23 24 25 26 27 28 29
System Block Diagram
PREAMP
OUT
PREAMP
OUT
INPUT
BUFFER
BUFFER
TUNER
OUT
PEAK
LED
GAIN
BRIGHT
ULTRA
HI
-15dB PAD
DRIVE
MID
FREQUENCY
BASS TREBLE
EQ ON
GRAPHIC
EQ
ULTRA
LO
EFFECTS
SEND
EFFECTS
RETURN
MASTER
PRE/POST
TRANSFORMER
BALANCED
OUT
MUTE
LEVEL
GRAPHIC
EQ
MUTE
FOOTSWITCH
SWITCHING
CIRCUIT