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REAR PANEL CONTROLS:
(Continued
DIRECT OUT:
This section captures the entire pre-amp signal including the SEMI-PARAMETRIC EQ and the EFFECTS LOOP
which in turn allows you to send a Balanced signal to either a House Main Board or a Recording console. There are three elements
to this circuit which are; (1) a male XLR jack, (2) a POST / PRE switch and (3) a GROUND LIFT switch.
Here are their functions and how to use them:
POST / PRE: This switch lets you choose the type of signal you wish to send to the console. POST gives
you the entire sound of the pre-amp with the PARAMETRIC EQ and the EFFECTS LOOP (including
processing from anything in the loop).
PRE gives you just the sound of your instrument with no
WalkAbout
enhancement so that an engineer can create their own sound
with your unprocessed signal at the console. This is very handy for sound reinforcement applications as the sound you use on stage
may be too big with enhanced low end for a large venue house application.
GROUND LIFT: This switch removes the circuit-to-chassis ground connection from the XLR jack. Leave it in the grounded position
(switch down) normally unless you experience a hum when connecting to a console. If you do experience a hum when connecting the
XLR Output to a console, try lifting the ground (switch up) on the circuit. This will usually (but not always) remedy most ground loop
type noise from the signal path. Sometimes it may also be necessary to lift the A.C. Cable Ground also by using a 3-2 ground adapter
to achieve a quiet signal path.
NOTE:
Ground loops can occur in many places in a complex signal path. The DIRECT OUTPUT GROUND LIFT switch is not a cure-
all and therefore should not be expected to remedy every type of ground related problem.
EFFECTS LOOP:
The EFFECTS LOOP section of the
WalkAbout
is responsible for handling the interfacing of external signal
processing via its RETURN and SEND jacks located on the Rear Panel.
RETURN: This is the patch point between the pre-amp and power amp for returning a processed signal
from your outboard effects back to the
WalkAbout.
Because this is an input to the power amp, the
RETURN jack can be used to access the power amp only. This is handy to use the
WalkAbout
as a
slave power amp or when multiple
WalkAbout
units are connected for large venue applications.
SEND: This is the output of the pre-amp and allows you to send a signal to your effects for processing.
SPEAKER OUTPUT:
The
WalkAbout
provides two 1/4 inch speaker jacks for powering speaker enclosures. The recom-
mended speaker load impedance for the
WalkAbout
is 4 Ohms, at which the mighty
SIMUL STATE
power section is capable of
delivering a whopping 300 watts RMS before clip and peaks of over 400 watts! A speaker load of 8 Ohms
may also be used though the overall power will be reduced to roughly 150 watts using this rate of imped-
ance.
PAGE 9
DIRECT OUT
POST
PRE
GROUND
LIFT
SENDRETURN
EFFECTS LOOP
SUGGESTED LOAD
4 OHMS
SPEAKER OUTPUT