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WORKINGMAN'S 4004 - FRONT PANEL FEATURES
BALANCED DIRECT RECORD OUT
The Balanced XLR output is a true balanced output. No front panel controls affect its signal. The tone
and output level are controlled only by the instrument plugged into one of the input jacks. To use this
feature, run an XLR (Cannon) cable from the Balanced D.I. to the input of a tape machine, mixing con-
sole, etc. This output is also suitable for sending a signal to a house mixer in live situations.
Wiring for the XLR connector is American standard (as follows):
Pin 1 = ground, Pin 2 = +, Pin 3 = -
TUNER OUT
The "Tuner Out" send jack allows the user to connect their instrument tuner to the Workingman's 4004
without having to unplug and go back and forth from amp to tuner to amp. Like the Balanced D.I. out-
put, this feature is isolated from the rest of the circuitry and no other controls other than your instru-
ment have an affect on this feature. Being on a sidechain (isolated) also avoids loading down of the
instrument causing a loss in its dynamic range.
To use this feature, plug in a shielded patch cord from this jack to the INPUT of your tuning device. Turn
the amp on and you're ready to go. If you don't want to monitor your sound while tuning, turn down the
Master Volume control or position the selector switch on the back panel to the "headphones" (middle)
position.
INPUT JACKS
Two separate and independent input jacks are provided so that the best signal to noise ratio can be
obtained without overloading the preamp section. The Passive input has over twice the gain than that of
the Active input. Both inputs can be used simultaneously without affecting the volume or tone of the
other. One use of these inputs would be to plug your bass into the Passive input and practice along with
a drum machine by plugging it into the Active input. Please see below for a detailed explanation of these
inputs.
PASSIVE/ACTIVE INPUT
This input can and should be used if your instrument has passive electronics (no built-in preamp). Some
pickups, such as EMG, etc., employ batteries for operation and will work perfectly using this input.
Technically speaking, this input should be used if your instrument has an output voltage of 1 volt RMS
or LESS. Consult the owner's manual that came with your instrument or ask the manufacturer if you are
unsure.
Please Note: Generally speaking, you should try the Passive input jack first. Some built-in preamps,
such as those made by Bartolini and Music Man, can be used with this input depending on their internal
gain settings. If you hear a small amount of distortion and the Preamp Clip LED is not activated, try
using the Active input jack. And please note, some passive pickups DO distort. Because of the hi-fi
nature of all SWR products, even the smallest amount of distortion originating at the source (instru-
ment) may be heard.
WORKINGMAN'S 4004 • 7
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