ADA MP-1 Owner’s manual
2.1 REAR PANEL
FUSE
Externally accessible 0.5AMP fuse. Replace with equivalent type and rating only.
POWER SWITCH ON/OFF
rocker switch (located near power supply to prevent the leakage of AC line hum into the
audio circuitry).
PHANTOM POWER
A 9VAC/DC coaxial power input jack used to supply phantom power to the optional MC-1
MIDI CONTROLLER or any other Phantom MIDI Device. Use with a 7-pin MIDI cable In the
MIDI IN jack, and do not connect an AC adapter to the MC-1's rear panel power jack.
MIDI THRU
Passes all MIDI data received at the MIDI IN connector to subsequent MIDI instruments.
MIDI OUT
Transmits MIDI information originated by the MP-1 to subsequent MIDI instruments.
MIDI IN Receives MIDI. Permits MP-1 programs to be automatically selected via a MIDI
signal. The MP-1 recognizes program change, SYSEX and MIDI Time Code (MTC).
HEADPHONE
JACK 1/4" stereo phone jack. Drives headphones of 600
Ω or more.
LEVEL
Provides full mute to +17dB above internal signal level.
EFFECTS LOOP LEVEL
Provides 20dB boost or cut to the send/receive signal. Dual-gang pot insures
unity gain at all settings.
RECEIVE
Single-ended 1/4" phone jack. Maximum signal level is +30dBV.
SEND
Single-ended 1/4- phone jack. Variable from instrument to line level.
OUTPUT (a & b)
Two single-ended ¼”phone jacks. Synthesized complementary stereo outputs.
OUTPUT LEVEL
Switchable from instrument level (INST) to line level (LINE). Set output level with slide switch
on top panel. WARNING: Do not connect the MP-1 to a guitar amplifier in put with output
level in the LINE position.
LINE INPUT
¼” phone jack for line level input signals. Active balanced
(ring=negative, tip=positive, sleeve=ground)
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