8
EMI-300
7-CHANNEL 2 X 150W MIXING AMPLIFIER
22. AMP ROUTING SWITCH
This switch selects between three output mode settings for the power amp.
MASTER 1 TO AMP 1+2
This setting should be used for stereo mode, with the stereo signal being output to the AMP 1 (L) and AMP 2
(R) outputs.
MASTER 1 TO AMP 1/ MASTER 2 TO AMP 2
This is a mono setting, and allows for two independent speaker sets to be controlled by individual master
volumes.
MASTER 1 BRIDGE MODE
In this setting, the two power amp channels are bridged, resulting in an output of 300W mono. The signal is
only output from the BRIDGE OUT speaker connectors in this instance.
23. MODE SWITCHES
These switches will set either the internal amplifiers controlled by Master 1 or the Master 2 Out controlled by
the Master 2 Volume Control to either stereo or mono operation.
24. INSERT I/O JACKS
These are unbalanced TRS jacks, used for patching an effect or dynamics processor into the channel’s signal
path just before the channel fader. They are located before the power amplifier in the signal chain, and will
not affect the MASTER 2 OUT XLR outputs (20) and (21). See the INSERT I/O Jacks Section on page 17 for
more information.
A standard stereo “Y” cable can be used for this purpose, with tip=out, ring=in, and sleeve=ground. The
nominal output level/impedance is 0dB/10kΩ, and the nominal input level/impedance is 0dB/600Ω.
Connecting to the INSERT I/O jacks will break the signal flow, so completing the circuit of output to input is
necessary.
25. LINE INPUTS 1-5
Each channel provides a high impedance (“high-Z”) stereo inputs on left and right unbalanced RCA phono
jacks for connecting line-level devices such as CD players, keyboards, video and audio playback decks, etc.
One input can be selected at a time using the front panel LINE INPUT SWITCHES (12-16).
26. LINE INPUT GAIN CONTROLS
This knob controls the signal level of the Line Input 1-5 (25). Start out with each of these controls set to the
center position, then individually set these controls to compensate for the different output levels your stereo
sources.
27. REC OUT
Connect the line inputs of your mixdown deck to the REC OUT line outputs for recording your stereo mix. The
signal output from the REC OUT is identical to the signal sent to the MASTER 1 output, yet is not affected by
the setting of the MASTER EQ and MASTER VOLUME controls and works in every operational mode.
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