Gemini 2400, MM-1800 manual Introduction, Features, Precautions, Connections

INTRODUCTION:

Congratulations on your purchase of Gemini MM-1800/240019” 4 channel stereo mixer. This-state-of-the-art mixer features the latest technological advances and is backed by a 1 year warranty, excluding the cross fader. The cross fader is backed by a separate 90 day warranty.

Prior to use we suggest that you carefully read all the instructions.

FEATURES:

MM-1800/2400

-5U, 19" rack mounted mixer

-4 stereo channels

-7 lines, 3 Mic, 2 phono/line convertible RCA inputs

-Master, record, booth, & zone RCA outputs

-1/4" balanced master output

-2 x 1/4" Mic inputs

-Dual 10 band graphic EQ with on/off switch & LED indicator

-Rotary zone, booth, & cue volume controls

-Assignable cross fader

-Push button cue section per channel with LED indicator

-CUE/PGM fader control allowing cue mix

-XLR-1/4" combo Mic input

-2 band rotary Mic EQ & volume controls

-Talk over feature

-BNC lamp port

MM-2400

-6 digital samples with volume, & speed rotary controls

-Master/Mic assignable echo effect switch with repeat & delay controls

PRECAUTIONS:

1.All instructions should be read before using this equipment.

2.To reduce the risk of electrical shock, do not open the unit. Please refer all servicing needs to a Gemini-qualified service technician.

3.Do not expose this unit to direct sunlight or a heat source such as a ra- diator 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 CLEANERS OR LUBRICANTS ON CON- TROLS, SURFACES OR SWITCHES.

IN THE USA ~ IF YOU EXPERIENCE PROBLEMS WITH THIS UNIT CALL GEMINI CUSTOMER SERVICE AT:

1 (732) 346-0061. DO NOT ATTEMPT TO RETURN THIS EQUIPMENT TO YOUR DEALER.

CONNECTIONS:

1VOLTAGE SELECTOR

Before plugging the power cord in, make sure that the VOLTAGE SELECTOR switch is set to the correct voltage.

2Located on the rear panel is the 115 V/230 V PLUG. Before

plugging the power cord in, make sure the POWER SWITCH located on the face panel is turned OFF.POWER CORD

3The MASTER RCA OUTPUT

connects the mixer to your main amplifier using standard audio cables with RCA-type connectors.

4The RECORD RCA OUTPUT

The RECORD output jacks can be used to connect the mixer to the record input of your recording unit, thus enabling you to record your mix with RCA cables.

MM-1800/2400

5ZONE OUTPUT

The ZONE output jacks allow the connection of an additional amplifier with RCA cables.

6BALANCED MASTER

Alternatively, the BALANCED MASTER output jacks also connects the mixer to the main amplifier using standard cables with 1/4" TRS connectors. We recommend using balanced cables if the dis- tance to your amp is 10 feet or more.

7The BOOTH output jacks allow the connection of an additional amplifier with RCA cables.BOOTH OUTPUT

8GROUND LIFT SWITCH

The GROUND LIFT SWITCH is used to reduce background noise & hum when using multiple outlets to power audio equipment. The switch should be in the position that provides the least amount of noise or hum. If noise remains at the same level in both positions, the GROUND LIFT SWITCH should be kept in the GND position

NOTE: MAKE SURE THE MIXER AND/OR AMPLIFIER IS OFF BEFORE SWITCHING THE GROUND LIFT

SWITCH TO PREVENT A TRANSIENT POP THAT MAY DAMAGE YOUR SYSTEM.

9PHONO/LINE INPUTS:

Located on the rear panel are 2 PHONO (PH) /LINE (LN) convertible RCA inputs, & 5 LINE RCA INPUTS. The convertible RCA inputs for CH 2 & CH 3 allow PH and LN level equipment to be connected to the mixer.

10	GROUNDING SCREW
	When using (a) turntable(s), you will need to ground the RCA
	cable(s) by screwing in the grounding fork(s) to the GROUNDING
	SCREW located on the rear panel of the mixer.
	Attach a PHONO (Turntable) ground line to the silver GROUND
	THUMB SCREW that is situated at the bottom middle of the rear
	panel.
11	CONVERTER SWITCHES
	To adjust the CONVERTER(s), just flip the switch UP to operate
	PH 1 or PH 2. Flip the switch DOWN to operate through LN 2 or LN
	4. The PH INPUTS only accept turntables with a magnetic cartridge.
	When using (a) turntable(s), you will need to ground the RCA
	cable(s) by screwing in the grounding fork(s) to the GROUNDING
	SCREW located in the back panel of the mixers. This is located in
	between the CONVERTER SWITCHES. The stereo LN INPUTS only
	accept line level inputs such as a CD, DAT, MP3, etc.
12	MIC (MICROPHONE) INPUT: CONNECTING A LINE LEVEL D
	The MIC 1 input (located on the face panel) is a combination XLR &
	1/4” connector. The MIC 2 & MIC 3 inputs (in the rear panel) accept
	only 1/4" connectors. The mic inputs accept balanced & unbalanced
	connections..
13	HEADPHONE OUTPUT
	The HEADPHONE OUTPUT located at the front bottom right hand

corner of the MM-1800/2400will accept any headphone with a standard 1/4” connector and or adapter and will allow you to CUE your music program before you play it, you can adjust the volume and PGM mix of the HEADPHONE (see CONTROLS).

Then when all of your connections have been made turn on the mixer by pressing the POWER SWITCH.

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