Rolls PM350B Music Mixer User Manual


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DESCRIPTION
LINE INPUT: 1/4" TRS stereo jack for connection to a line level source such as a
mixer monitor/auxiliary output, cassette player output, CD player output etc.
ground lift: Header jumper for disconnecting chassis ground from pin 1 of the Mic
Input and Mic Thru.
MIC THRU: XLR jack paralleled (hard-wired) to the MIC INPUT jack for pass-through
to a mixer or other microphone level input device.
MIC INPUT: XLR balanced jack for connection to a condenser or dynamic micro-
phone.
INSTRUMENT INPUT: 1/4" TRS stereo jack for connection to an instrument or line
level signal such as a guitar processor, keyboard, or instrument preamp output.
MONO/STEREO JUMPER: Selects whether the INST. INPUT jack is mono or stereo.
LEFT/RIGHT OUTPUTs: Electronically balanced 1/4" TRS outputs of the Instrument
Input.
ground lift: Header jumper for disconnecting chassis ground from the 1/4" TRS
instrument output jacks.
MONO/STEREO JUMPER (Located below the LINE INPUT): Selects whether the
LINE INPUT jack is mono or stereo.
NOTE: When in MONO mode, the ring of the jack
may be used to "phantom power" the PM350. See the OPERATION section for
details.
DC IN 12 VDC: For connection to the external Rolls PS27 power adapter.
HEADPHONE OUTPUTS:1/4" Stereo jack, and 1/8" stereo jack for connection to
stereo headphones or earphones.
LINE LEVEL: Adjusts the level of signal from the LINE INPUT to the headphone mix.
MIC LEVEL: Adjusts the level of signal from the MIC INPUT to the headphone mix.
INST. LEVEL: Adjusts the level of signal from the INST. INPUT to the headphone mix.
SCHEMATIC
25
MIC
INPUT
MIC
THRU
LINE
INPUT
PWR
HEADPHONE
OUTPUTS
LINE
LEVEL
MIC
LEVEL
INST.
LEVEL
mono
stereo
DC IN
12 VDC
+
-
PERSONAL
M
ONITOR
MIXER PLUS
PM350b
INST.
IN
LEFT
OUT
RIGHT
OUT
lift
gnd
lift
gnd
mon
ster
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