Majorcom: MX-60 User manual
OPERATING GUIDE
MX-30MX-60
Mixer Amplifier
@
CAUTION:
Contents
Features................................................................................................................................................. 1
Functional components....................................................................................................................... 2
Front Panel....................................................................................................................................... 2
Rear Panel ........................................................................................................................................ 3
Operation............................................................................................................................................... 4
Equalizer Controls ............................................................................................................................ 4
Manual Priority Terminals................................................................................................................. 4
Connectios........................................................................................................................................ 4
Microphone1............................................................................................................................... 4
Balanced operation .................................................................................................................... 4
Microphone2............................................................................................................................... 5
Wiring is as follows..................................................................................................................... 5
Speaker Output ................................................................................................................................ 5
MIC2 Input....................................................................................................................................... 6
MIC1 Input........................................................................................................................................ 6
Recommandations............................................................................................................................ 6
Specifications ................................................................................................................................... 7
Block Diagram....................................................................................................................................... 8
1
Features
30W/60W Mixer amplifier
2 microphone inputs; gain control for MIC 1, level adjustable from microphone to aux input
One Aux / CD input, switchable
Independent volume control for all the inputs, and master volume control
With 6KHz, 1kHz, and 150Hz tone control
LED for output level and protection indication
4Ω、8Ω、16Ω、and 70V/100V speaker line output; 70 /100V choose 1 of these 2
3 level priority. MIC1 > MIC2 > AUX/CD; MIC1 is VOX mute, and MIC 2 is try contact mute
Functional components
Front Panel
1. MIC1 Volume
2. MIC2 Volume
3. AUX/CD Volume
4. Bass 150Hz
5. Middle 1KHz
6. Treble 6KHz
7. Master Volume
8. Signal LED
9. -10dB LED
10. Power Switch
11. Power LED
12. Clip LED
13. Protect LED
3
Rear Panel
1.Appliance inlet
2. Fuse used in inlet
3. Ground screw
4. Manual Priority terminals
5. Speakers output terminals
6. AUX Input
7. CD Input
8. AUX/CD Selector Switch
9. MIC2 Input-unbalanced
10. MIC1 Input-Balanced
4
Operation
Equalizer Controls
Three different controls for three frequency bands. Those volume controls will increase or decrease bass and
treble or add some presence to the sound.
Manual Priority Terminals
These two terminals, when shorted, will mute incoming signal from AUX and CD inputs, thus giving priority to the
Telephone Paging and Microphone. These are especially useful when a table microphone with switch is part of
the installation.
Connectios
Microphone1
The microphone inputs use DIN-5 jack and are balanced. Priority operation can be
obtained by using the din sockets.(see priority connection)
Pin 1: Signal +
Pin 2: GND
Pin 3:Signal-
Pin 4:Priority terminal
Pin 5:Output +18V
Balanced operation
5
Microphone2
Mic2 input is a Unbalanced standard 1/4〃mono jack on the rear panel .
Wiring is as follows
AUX/CD Connection
AUX/CD input is two phono sockets .These inputs are configured as AUX Or CD inputs
Speaker Output
These terminals are offering 3 low-z outputs 4Ω, 8Ω, 16Ω depending on your speaker combination. A 70V/100V
Hi-z output is also available. Please note that one wire only should be connected to COM screw and one wire to
the selected impedance or voltage. Multiple combinations cannot be done at the output level.
Four different types of connections are provided. The low impedance section: 4Ω, 8Ω, 16Ω is designed for a small
amount of speakers to be connected to your amplifier. The
100V section is especially designed for a multiple speaker
distribution. When using the 100V output, speakers have to be
equipped with 100V transformer. The maximum amount of
6
speakers to be placed on your distribution line is in relation to the power allocated to each speaker. The total
wattage set on the secondary side of the transformers on your speaker line must not exceed the maximum RMS
output power: 30W for MX30 or 60W for MX60. Failure to respect this may cause permanent damage to the
amplifier.
MIC2 Input
This ¼ ’’ jack is a two conductor unbalanced microphone input. If you wish to use a low impedance microphone
on a balanced line with a long cable, we recommend that you use an AM-15 adaptor to do so. If you choose to
use a Table Top microphone with an enunciator switch, keep in mind that the switch should be connected to the
two priority terminals.
MIC1 Input
This special input (terminals 1 and 3) will allow you to page in your PA system using your own telephone set. Pin
2 is Ground and Pin 4 is for manual priority switching. Any signal going through Pin 3 with automatically triggers
the priority system without any manual intervention. At the end of the announcement, the system will return to its
normal operation. A Gain control is located next to the input in order to increase incoming volume if necessary.
Final adjustment will be made with the Tel Paging volume control located on front panel.
Recommandations
Keep your amplifier away from excessive humidity, dust or grease. This unit has sensitive components that can
be affected in a difficult environment. If, at one point during its usage, the fuse on the AC line needs to be
changed make sure that the replacement is of the same value. It is important that you try to identify the reason for
this failure. This will most likely prevent further damage to your amplifier. Any service work on this unit should be
performed by a qualified technician
7
Specifications
MX-30W
MX-60W
Output Power
30W
60W
Fuse
T1.0AL 250V
T1.6AL 250V
THD at Rated Power
2.5%
Speaker Outputs
4Ω, 8Ω, 16Ω, Hi-Z output ( 70V/100V choose 1 of these 2 )
Frequency Response
100 Hz –20 kHz
MIC2 Input
3 mV @ 600 Ω
AUX Inputs
150 mV @ 50 KΩ
CD Inputs
300 mV @ 50 KΩ
MIC1 Input
6 mV @ 600 Ω
Sig/Noise Ratio, Mic
>65 dB
Sig/Noise Ratio, AUX/CD
>75 dB
Tone Controls
±12 dB
AC Power
~230V/50 Hz
Dimensions
270(W ) X 90(H) X 260(D) mm
Weight
3.2kg
4.2kg
Gross Weight
4.3kg
5.6kg
Parameter
Model
8
Block Diagram
This manual suits for next models
1
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