SCHEMATIC
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
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 instru- ment 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.
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