Mark MRACK 12E Manuel utilisateur

MRACK 12E

User Manual –Version 1.0

SAFETY INSTRUCTIONS

1. Read the instructions of this manual.

2. Keep these instructions in a safe place.

3. Heed and follow all warnings and instructions.

4. Please, respect your country safety regulations.

5. Don’t use this device close to the water or high humidity places. Clean only with dry cloth.

6. Don’t install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including

amplifiers) that produce heat. Make certain that the equipment is always installed so that is cooled and

can’t overheat.

7. Don’t block any ventilation openings. Install in accordance with the manufacturer’s instructions.

8. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles,

and the point where they exit from the apparatus.

9. Only use attachments/accessories specified by MARK.

10. Unplug this device during lightning storms or when unused for long periods of time.

11. The technical service is required when the device has been damaged in any way, such as power supply

cord or plug is damaged, liquid has been spilled or objects have fallen into the device, doesn’t operate

normally or has been dropped.

12. To completely disconnect this apparatus from the AC mains, disconnect the power supply cord plug

from the AC receptacle.

13. The mains plug of the power supply cord shall remain readily operable.

14. WARNING –to reduce the risk of fire or electric shock, don’t expose this device to rain or humidity.

15. Don’t expose this equipment to dripping or splashing and ensure that no objects filled with liquids,

such as vases, are placed on the equipment.

OVERVIEW

MRACK 12E is an analog 12 Channel, 10 mono + 1 stereo, Rackmount Mixer. with 3 tone controls per channel and

send/return connections.

The input mono channels of the MRACK 12E MIC/LINE mixer incorporate phantom power for condenser

microphones.

-MRACK 12E has 2 AUX outputs (AUX1 & AUX2/EX), 2 GROUPS and foot switch connection.

MRACK 12E features a USB player/recorder and 99 built-in digital effects, Bluetooth and USB sound card

operation and 99 built-in digital effects.

Technical Data:

INPUT channels

10 mono MIC/LINE + 1 stereo

OUTPUT channels

2 Main out, Phones, 2 AUX send and 2 GROUP OUT (incl. FX)

EQUALIZATION

High

Gain: ±15dB Frequency: 12kHz

Mid

Gain: ±15dB Frequency: 2.5kHz

Low

Gain: ±15dB Frequency: 80Hz

PEAK LED

LED turns on when post EQ signal reaches 3 dB below clipping level

Level Meter

Pre Monitor LEVEL 2x10-segment LED meter (+10, +7, +4, +2, 0, -2, -4, -7, -

10, -20dB)

Built-in Effect

99 programs, 1 Parameter Control, Foot Switch

USB Player/Recorder

MP3 & WMA

Phantom Power

Voltage

48V

Main supply

AC 100 -240 V 50/60 Hz

Dimmensions (W,H,D)

483 x 85 x 208 mm

Features:

-Audio mixer with 10 mono MIC/LINE channels + 1 stereo channel

-USB player /recorder and Bluetooth and the same USB port for PC connectivity (sound card

operation).

-+48V phantom.

-99 Effect included.

-3 tone control on each input channel.

-AUX send/return connectivity.

CONTROLS & FUNCTIONS

INPUT CHANNEL (MONO & STEREO)

1. MIC/LINE INPUT

Accepts both XLR and TRS connectors.

Connect the microphone or instrument you

intent to use.

+ 48V phantom power available on each

input Mic socket.

2. Stereo input jacks

These line stereo input jacks (unbalanced) for

connecting line-level instruments, such as

electric keyborads and audio equipment.

3. GAIN knob

For adjust the gain of the input signal. To get

the best balance between SNR and dynamic

range, adjust the gain so that the PEAK

indicator lights up only occasionally and briefly

on the highest input transients.

4. PHANTOM +48V switch and indicator

Turn this switch on to supply DC +48V to the

XLR input.

Be sure to leave this switch off if you don’t

need phantom power

5. PEAK indicator

The peak level of the post-EQ signal is

detected, and the PEAK indicator lights yellow

when the level reaches 3dB bellow clipping.

6. Stereo INPUT and MP3 player signal

switching

Push this switch up, the signal is switched to

stereo input (CH11/12), push this switch down

the signal switches to USB.

7. Equalizer (HIGH, MID and LOW)

Setting the knob to the middle position

produces a flat response. Turning the knob to

the right amplifies the corresponding

Frequency band, while turning to the left

attenuates the band.

8. AUX1 and AUX(2/FX)

AUX1 knob controls the signal level sent from this channel to AUX1 BUS.

AUX(2/FX) knob controls the adjust of signal level sent to the AUX bus and FX BUS (built-in in effects).

The same signal level is sending to the AUX and FX buses connected to these knobs.

9. PAN knobs

This knob adjusts the volume balance of each channel sent to the MAIN BUS. If the BUS assign switch

(1-2) is pressed, this knob adjusts the volume balance sent to the GROUP BUS.

10. MAIN switch

Turn this switch on assigns the channel’s signal to the MAIN BUS.

11. G(1-2) switch

Assigns the channel’s signal to the GROUP 1-2 BUSES.

12. PFL switch

When the PFL switch is on the channel pre-knob signal is output to PHONES jack for monitoring.

When a PFL switch is turned on the PFL indicator below the level meter flashes.

13. Channel knobs

For adjusting the level of the channel signal. Use this controls to adjust the balance between the

various channels.

MASTER BLOCK

1. MAIN OUT

These are XLR and TRS balanced output that

output the mixed stereo signal.

2. GROUP OUT jacks

These impedance-balanced TRS output the

(GROUP 1-2) signals. Use those jacks to

connect to the input of a multi-track recorder,

external mixer, or another similar device.

3. AUX jacks

AUX (1-2) are impedance-balanced TRS, these

jacks output signals from AUX. You use these

jacks, for example, to connect to an external

effect device.

4. RETURN

These are unbalanced jacks. Signal received

by these jacks is sent to the MAIN BUS.

These jacks are typically use to receive return

from an external effect device (reverb, delay…)

5. PHONES jack

Connect a pair of headphones to this TRS

phone jack.

6. SEND knob AUX(1-2)

For adjusting the level of the signals output to

the SEND jack and AUX(1-2).

7. RETURN knob

For adjusting the level of the signals sent

from the RETURN input jack to the stereo

BUS.

8. PHONES knob

For adjusting the level of the signals output to the phones.

9. POWER level control

The level meter LED shows the level of the signal in the MAIN and GROUP buses or selected PFL

channel.

10. MAIN(G1/G2)

This switch can switch the output signal of MAIN or GROUP to PHONES.

11. GROUP knob

-(GROUP 1-2) knob. For adjusting the level of the signals output to the (GROUP OUT 1,2) jacks.

-(TO MAIN) switch. If it is on, the signals are sent to the MAIN BUS via the (GROUP 1-2) knob.

12. MAIN(L-R)

For adjusting the level of the signals output to the MAIN OUT jack.

BUILT-IN EFFECTS AND MP3 BLOCK

1. DISPLAY

2. PROGRAM knob

To select an effect turn the knob

and press the knob to enable it.

3. PARAMETER knob

For adjusting (depth, speed…) for

the selected effect. The last value

used with each effect type is

saved.

4. FOOT SW jack

Connect a foot switch to this

input jack.

5. FX switch

This button turns the

corresponding effect on or off.

When the fuction is ON the

switch lights red.

6. MAIN switch

Turn this switch on to output the

signals of the built-in effect to

the MAIN buses.

7. G1-2 switch

Turns this switch on to output signals of the built-in effect to the GROUP 1-2 buses.

8. PFL switch

To output the built-in effect signals to the PFL buses, turn this switch on.

9. FX knob

For adjusting the level of the effect sent from to built-in effect to the GROUP 1-2 and MAIN

buses.

10. PROGRAM mp3 KNOB

Turn the knob to select the desire music file, press the knob to play/pause/record/confirm the

selection.

11. USB player

Insert a USB flash drive with music files such as MP3, WMA into the player’s jack and control the

playback of the music trough the PROGRAM knob.

12. MODE and REC button

This player has a Bluetooth and recording function. Use MODE button to switching. Press the

REC button after inserting the USB flash drive, an then press the “confirm” button to record. The

recording content is the main output signal. Long press program knob to stop recording.

After recording, press the MODE button to switch to USB MODE or Bluetooth MODE, and pull

out USB disk.

13. USB Section

USB 2.0 port type A

Connects to a computer via a USB cable. The signal from the MAIN L/R buses is output to the

computer.

CAUTIONS:

Use an A/A type USB cable. The cable should be no more than 1.5 m long. An USB 3.0 cable

cannot be used.

Be sure the computer is not in sleep/suspend/standby mode before making a connection with

the mixer.

Connect the mixer to the computer before turning the mixer power on.

BUILT-IN EFFECT PROGRAMS

JACK AND CONNECTOR LIST

Table des matières

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