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Inputs
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The EM-10011 and EM-15011B each have 6 input
channels, while the EM-200B has 8, and the EM-300B
has 12 input channels. Each input channel includes the
following controls: Fader, Hi-EQ, Low-EQ, Monitor 1
(which usually serves as the Reverb/Echo Send control),
Monitor 2, stereo Pan, and an Input Level switch,
Auxiliary Inputs
АП EM-Mixers have one stereo auxiliary input circuit
(Aux In) plus three mono auxiliary inputs (Monitor
Sub In 1, Monitor Sub In 2, and Echo Return).
Monitor & Speaker Outputs
The Monitor and Speaker Outputs are controlled by
separate Master faders that independently adjust the
level from the program and monitor mixing buses. The
Speaker Output level is displayed by two VU Meters.
(Monitor meters are also provided on the EM-300B.)
Linking Mixers & Recording
Two or more mixers may be linked or "chained"
together to increase the total input capacity. For this
purpose, the Line Out jacks of one mixer would be
connected to the Aux In jacks of the next mixer.
Alternately, the Line Out jacks may be used to feed
a stereo tape recorder.
The Echo Send jack may also be used to feed a mono
tape recorder, or other external device; this will not
affect the function of the internal spring reverb.
Likewise, the Monitor Out jacks may be used to feed
tape recorders, remote lines or other high-impedance
devices. Remember that Monitor 2 does not reflect the
program mix. It is fed "pre-fader and pre-EQ", so it can
be mixed for its own unique channel-to-channel balance
without regard to the stereo program mix.
Graphic Equalizers (Not on EM- 10011)
The EM-Mixers' Graphic Equalizers are a unique tool,
both for reducing acoustic feedback and for imparting
limitless tonal characteristics to the Speaker outputs.
Seven or nine linear controls "outline" any frequency
response curve as it is created (hence, the term
graphic"). There are separate equalizers for each
(Left and Right) program channel. The Graphic
Equalizers do not normally affect the Monitor outputs,
so corrections made for the "house" sound will not
color the sound on stage. The Headphone jack does
carry the graphically equalized program, as do the
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8
8
G-EQ Output jacks, which сап be used to drive external
amplifiers. Alternately, the Monitor Outputs can be
patched into the С-ЕО Inputs, while the Line Outputs
are fed to an external amplifier/speaker system.
Power Supply
The power supply is grounded and has convenient
rear panel fusing for complete safety. The polarity-
reversing power switch has two "ON" positions that
help to minimize hum in certain instances. (Illuminated
VU meters indicate that Power is "ON''.)
Flexibility
The many inputs and outputs on EM-Mixers simplify
set-up, increase their inherent flexibility, and safeguard
against possible malfunctions by serving as alternate
signal paths. If you're not sure whether a particular input
or output is appropriate, try it, with this one warning:
CAUTION: NEVER PLUG THE SPEAKER OUTPUT
INTO ANYTHING BUT A SPEAKER LOAD OR A
DIRECT BOX MADE FOR HIGH POWER LEVELS,
AND NEVER PATCH AN OUTPUT DIRECTLY BACK
TO A CHANNEL INPUT UNLESS DIRECTED TO DO
SO BY THIS MANUAL.
This simple precaution will protect your Mixers and
related equipment — failure to observe this caution may
void the Mixer Warranty.
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