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INTRODUCTION:
Congratulations on your purchase of the Gemini PMX-1400,1800 or 2400
mixer. This state-of-the-art unit is backed by a three year warranty,
excluding crossfader and channel slides. Prior to use, we suggest that
you carefully read all the instructions.
FEATURES:
• 4 Stereo Channels
• Talkover
• State-of-the-Art Cue Section
• Dual 7 Band Graphic Equalizers
• Booth and Record outputs
• Balanced and Unbalanced Master Outputs
• 3 Phono/Line Convertible, 5 Line, and 2 Mic Inputs
PMX-1800 : PMX-2400 :
• 6 sound effects • Digital Sampler/5 Memory Banks
• Echo section • Battery Backup Safeguards Samples
CAUTIONS:
1. All operating instructions should be carefully read before using this
equipment.
2. To reduce the risk of electrical shock, do not open the unit.
THERE ARE NO USER REPLACEABLE PARTS INSIDE.
Please refer servicing to a qualified service technician.
In the USA: If you experience problems with this unit, please call
1 (732) 738-9003 for Gemini Customer Service. Do not attempt to
return this equipment to your dealer.
3. Do not expose this unit to direct sunlight or to a heat source such as a
radiator or stove.
4. This unit should be cleaned only with a damp cloth. Avoid solvents or
other cleaning detergents.
5. When moving this equipment, it should be placed in its original carton and
packaging. This will reduce the risk of damage during transit.
6. DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
7. DO NOT USE SPRAY CLEANER OR LUBRICANT ON CONTROLS OR
SWITCHES.
CONNECTIONS:
1. Before plugging the power cord in, make sure that the VOLTAGE
SELECTOR (1) switch is set to the correct voltage.
NOTE: THIS PRODUCT IS DOUBLE INSULATED AND IS NOT INTENDED TO BE GROUNDED.
2. Make sure that the POWER (2) switch is in the OFF position.
The POWER LED (3) display will be off.
3. The PMX-1400, PMX 1800, and PMX 2400 are supplied with 4 sets of
output jacks:
• The BALANCED MASTER OUTPUT (4) jacks connect the mixer to
main amplifier using standard cables with 1/4” connectors. We recommend
using balanced cables if the distance to your amp is 10 feet or more.
• The AMP OUTPUT (5) jacks also connect to the main amplifier.
• The BOOTH OUTPUT (6) jacks allow the connection of an additional amplifier.
• The REC OUTPUT (7) jacks can be used to connect the mixer to the
record input of your recording unit, thus enabling you to record your mix.
4. The MIC 1 (19) input (located on the front panel) accepts an XLR
connector. The MIC 2 (20) input (on the rear panel) accepts 1/4"
connectors. Both accept balanced and unbalanced microphones.
5. On the rear panel are 3 stereo PHONO/LINE (11, 14, 17) inputs and 5
stereo LINE (8, 9, 10, 13, 16) inputs:
• PHONO/LINE SWITCH (18) enables you to set the (17) input to Phono or Line.
• PHONO/LINE SWITCH (15) enables you to set the (14) input to Phono or Line.
• PHONO/LINE SWITCH (12) enables you to set the (11) input to Phono or Line.
6. Attach phono ground lines to the GROUND THUMB SCREW (21).
7. Headphones may be plugged into the front panel mounted HEADPHONE
(22) jack.
8. The PMX-1400, 1800, & 2400 comes with a front panel BNC LIGHT (23) jack
for use with a (not provided) gooseneck light such as the Gemini GNL-700.
USING THE GROUND LIFT SWITCH:
Depending on your system configuration, application of the ground will
sometimes create a quieter signal path. Lifting the ground occasionally
eliminates ground loops and “hum” to create a quieter signal.
1. With the mixer ON, listen to the system in “idle” mode (no signal
present) and with the ground “applied” and the GROUND LIFT SWITCH
(24) in the LEFT position.
2. Turn the power OFF before moving the GROUND LIFT SWITCH (24).
“Lift” the ground by moving the GROUND LIFT SWITCH (24) to the
RIGHT, turn the power back ON and listen to determine which position
provides a signal devoid of background noise and hum. Keep the
GROUND LIFT SWITCH (24) in the “ground” position if the noise level
remains the same in either position.
CAUTION: DO NOT TERMINATE THE AC GROUND ON THE MIXER CABLE. TERMINATION OF
THE AC GROUND CAN BE HAZARDOUS!
OPERATION:
1. POWER: Once you have made all the equipment connections to your
mixer, press the POWER (2) switch. The power will turn on and the
POWER LED (3) will glow RED.
2. CHANNEL 1: Switch (25) allows you to select PHONO 1/LINE 1 (17) or
the LINE 2 (16) input. CHANNEL SLIDE (26) controls the input level of
this channel.
3. CHANNEL 2: Switch (27) allows you to select PHONO 2/LINE 3 (14) or
the LINE 4 (13) input. CHANNEL SLIDE (28) controls the input level of
this channel.
4. CHANNEL 3: Switch (29) allows you to select PHONO 3/LINE 5 (11) or
the LINE 6 (10) input. CHANNEL SLIDE (30) controls the input level of
this channel.
5. CHANNEL 4: Switch (31) allows you to select either the LINE 7 (9) or
LINE 8 (8) input. CHANNEL SLIDE (32) controls the input level of this
channel.
6. CROSSFADER: The CROSSFADER (33) allows the mixing of one
source into another. The mixer features an assignable crossfader. The
ASSIGN (34, 35) switches allow you to select which channel will play
through each side of the crossfader.
7. ASSIGN (34) switch has five settings (OFF, 1, 2, 3 and 4) and allows you
to direct Channel 1, 2, 3 or 4 through the LEFT side of the crossfader.
ASSIGN (35) switch also has five settings (OFF, 1, 2, 3 and 4) and allows
you to direct Channel 1, 2, 3 or 4 through the RIGHT side of the
crossfader. Placing either ASSIGN switch in the OFF position inactivates
that side of the crossfader.
CROSSFADER SECTION: The CROSSFADER (33) allows the mixing
of one source into another. The left side of the CROSSFADER (33) is
CHANNEL 1 and the right side is CHANNEL 2. The CROSSFADER (33)
in your unit is removable and if the need arises can be easily replaced.
Your Gemini mixer comes with an RG-45 PRO (RAILGLIDE™) Dual-
Rail Crossfader. RAIL GLIDE™ crossfaders have internal dual stainless
steel rails that allow the slider to ride smoothly and accurately from end to
end. Also available is our CF-45 PRO (PROGLIDE™) Dual-Rail
Crossfader. This unique crossfader features, state of the art conductive
plastic technology, for unlimited useage. Another crossfader we have
available is the PSF-45 (PRO SCRATCH™) crossfader with a special
curve designed for scratch mixing. Just purchase one from your Gemini
dealer and follow the instructions:
• Unscrew the FADER PLATE SCREWS (B).
• Do not touch the INSIDE SCREWS (C).
• Carefully lift the fader and unplug the CABLE (D).
• Plug the new fader into CABLE (D) and place it back in the mixer.
• Screw the fader to the mixer with the FADER PLATE SCREWS (B).
8. EQUALIZER: This unit features dual 7 band GRAPHIC EQUALIZERS
(36, 37) that allow you to adjust the sound to fit any room. Activate the
equalizer by pressing EQ BUTTON (38) (EQ LED is illuminated). By
adjusting any of the 7 LEFT (36) equalizer slide controls, you can cut or
boost the tonal characteristics of the sound coming from the LEFT
speaker by ±12 dB. Adjusting any of the 7 RIGHT (37) equalizer slide
controls allows you to cut or boost the tonal characteristics of the sound
coming from the RIGHT speaker by ±12 dB. Deactivate the equalizer by
pressing the EQ BUTTON (38) again (EQ LED is OFF).
9. OUTPUT CONTROL: The level of the AMP OUTPUT (5) is controlled by
the MASTER (39) slide. Activating the MONO (40) button (MONO LED is
illuminated) converts the overall output to mono. The BOOTH (41)
control adjusts the level of the BOOTH OUTPUT (6).