Magna Alert 30 User manual

INSTALLATION AND OPERATION MANUAL
Caution: Please read this manual carefully before operating
Damage caused by misuse is not covered by the warranty
Desktop Mixer Amplifier with MP3/FM/BluetoothTM
and recordable alarm

SAFETY WARNINGS!
1. Read and keep these instructions. Keep the manual in a good condition.
2. Heed all warnings and follow instructions.
3. Do not use this product near water
4. Do not block any ventilation openings.
5. Do not install near any heat sources.
6. Do not remove or change the mains plug supplied with your product.
7. Protect the power cord from being damaged, cracked or pinched.
8. Only use attachments / accessories specified by the manufacturer. Use only with Midas
brackets or Midas 19” shelving specified by the manufacturer, or sold with the apparatus.
When using 19” products please speak to your supplier to make sure the correct product is
supplied.
9. Unplug this apparatus during lightning storms or when unused for long periods of time.
10. Refer all servicing to qualified service personnel. Servicing is required when the amplifier has
been damaged in anyway, Remove the mains cable or plug if damaged.
11. Never switch on if liquid or objects have fallen into the amplifier or if the amplifier has been
exposed to rain or moisture. If the amplifier has been dropped do not switch on but instead
contact your supplier. Plug this amplifier into a proper wall socket, do not modify the plug and
make the plug available for disconnection should the need arise.
12. Main plug is used to fully disconnected device and should remain readily operable during
intended use. The mains plug is used to fully disconnected device and should remain readily
operable during intended use.
13. WARNING: Terminals marked with the Hazard symbol are HAZARDOUS LIVE and should
only be connected by qualified personnel
14. WARNING: An appliance with a protective earth terminal should be connected to a mains
outlet with a protective earth connection

INTRODUCTION:
Thank you for purchasing our Magna Desktop or Rackmount Amplifier.
This amplifier is the first 100V line amplifier with its own built in MP3 recorder and alarm trigger. The
PA Mixer Amplifier is rated with power outputs from 30W, 60W to 120W, it is ideal for school,
supermarkets, banks, background music for public areas and speech use. It is all in one solution with
two sources, pre-amplifier and mixer power amplifier in one unit.
It integrates separate audio sources into a mixer amplifier, plus Mic1(XLR & 6.3mm Jack) and
Mic/Line input 2-3 (6.3mm Jack), two line inputs, one Alarm input and one line output. Mic1 VOX with
highest priority except Alarm input. One USB and one SD slots on front provide easy access and
operation for installer and end-user. A USB socket on the back is to download your own 20Second
massage to play back once triggered via the alarm contacts.
The amplifier is design with automatic protection of overload, short circuit and high temperature shut
off to avoid any damage to the internal circuits. These amplifiers are suitable for applications in banks,
mosques, schools, hotels, restaurants, and shopping centres.
NOTE: The Evac is for alarm notification purposes only, it should not be used as an emergency
evacuation notice. The alarm will be triggered and play the recorded massage once the contacts
have been shorted together.
Features
• Mic 1 is a balanced XLR input with phantom power on rear panel via the dip switches on the
back.
• Mic2-3 microphone is an unbalanced 6.3mm phone jack input.
• Line 1-2 input of RCA input and one RCA line output
• Alarm input with MOH (Music on Hold) priority to mute and sounds being played.
• Volume control for Mic1-3, line1-2, Mp3/FM, Bass / Treble and Master.
• Short-circuit, clip, overload and high temp protection
• AC220V or 24V DC both operation system
Safety
• Check for correct mains voltage and condition of IEC lead before connecting to power outlet
• Use double insulated speaker wire with adequate current rating for 100V speaker connections
• Only use one type of output – i.e. Ω or 100V – do not mix or combine these outputs on a
single zone or output
• Do not connect any Ω speakers to the 100V terminal or 100V speakers to the 8Ω terminal
• Do not allow any foreign objects to enter the case or through the ventilation grilles
• Keep out of direct sunlight and away from heat sources
• Keep away from damp or dusty environments
• Ensure adequate air-flow and do not cover cooling vents at the front and rear of the amplifier
• Ensure adequate access to controls and connections
• Use a soft cloth with a neutral detergent to clean the casing as required
• Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups
• Do not use strong solvents for cleaning the unit

FRONT PANEL
1. MP3/FM/Bluetooth
2. Power LED
3. Protection LED
4. Clip LED
5. DB Output level
LED
6. Power Switch
7. Mic 1 Volume
8. Mic 2 Volume
9. Mic 3 Volume
10. Line1 Volume
11. Line 2 Volume
12. Alarm MP3 Volume
13. Bass
14. Treble
15. Master
REAR PANEL
1. AC Power Socket
2. AC Fuse
3. FM Antenna
4. 24V DC Battery
Input
5. Speaker output
(COM)
6. Speaker output 4Ω
7. Speaker output 8Ω
8. Speaker output 16Ω
9. 70V Output
10. 100V output
11. USB Socket for
Alarm
12. Alarm Trigger
13. Input 2 Mic/Line
14. Input 3 Mic/Line
15. Dipswitch
16. Mic 1 with multi fit
17. Line 3 Input
18. Line 4 Input
19. Line Output for
slave amplifier
DIPSWITCH PRIORITY (15)
1. Mic2/Line 1 ON - Line 1 OFF - Mic 2
2. Mic3/Line 2 ON - Line 2 OFF - Mic 3
3. Phantom Power to Mic1 ON - Power 48V OFF - Phantom Power off
4. EVAC Trigger ON - Alarm OFF - Mic 1

AMPLIFIER OPERATION GUIDANCE
100V Line System
Connect the rear IEC inlet to the mains using the supplied mains lead (or an equivalent approved
type). Alternatively, the amplifier can be powered by a 24V battery, such as a lorry or boat battery, by
connecting the “+” and “-” of the battery to the 24VDC INPUT on the rear panel.
Ensure that DC cables are capable of handling the current (10A min. recommended) The amplifiers
have a total of 4 input channels. MIC 1 input is fed to a dedicated microphone channel. Connect the
main announcement microphone to this channel using a balanced XLR lead. Connect microphones or
mono line inputs to MIC/LINE 2 and MIC/LINE 3 inputs using good quality 6.3mm jack leads. Make
sure the correct sensitivity is selected for the type of input source.
Connect any other line level audio inputs to the LINE 3 and LINE 4 connectors on the rear panel using
good quality RCA leads. Since the amplifiers have a mono output, stereo signals will be summed
together. Further mixer-amplifiers or slave amplifiers can be connected from the rear LINE OUT
sockets, again using a good quality RCA lead.
This output carries the full mix of all channels 1 – 4 as produced through the speakers. The terminals
of a 100V speaker are connected to a transformer and in some cases, this transformer may be
“tapped” for different power ratings.
These tapping’s can be used to adjust the wattage (and output volume) of each speaker in the system
to help achieve
A 100V line speaker system can comprise of as many speakers as the amplifier can handle
connected together. The determining factor for how many speakers can be used on a single amplifier
is the power rating. For most purposes, it is advised to connect as many speakers as needed with a
combined wattage of no more than 80% of the amplifier’s output power rating.
Speaker Terminals
The Ω terminals are offering 3 low voltage outputs 4Ω, 8Ω, 16Ω depending on your speaker
combination.
A 70V/100V commercial 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.
WARNING: Multiple combinations cannot be done at the output level.
Five different types of connections are provided. The low impedance section: 4Ω, 8Ω, 16Ω is
designed for a small number of speakers to be connected to your amplifier.
The 70V/100V section is especially designed for a multiple speaker distribution. When using the
70V/100V output, speakers have to be equipped with 70V/100V transformer.
The total wattage set on the secondary side of the transformers on your speaker line must not exceed
80% output power: 30W, 60W or 120W. Failure to respect this may cause permanent damage to the
amplifier.
In the UK, the 100V line systems is the norm, whilst in America the 70W line system is preferred.

Wiring Diagrams
Operation Steps
When all connections to the amplifier are made, turn all the volume controls to the MIN position and
then switch ON. The “ON” LED will illuminate. Turn BASS and TREBLE controls to the 12 o’clock
position (pointing straight up) and turn MASTER rotary control up Quarter way for testing.
Ensure a signal is being fed to one of the line inputs 1, 2, 3 or 4 and gradually increase the volume
control for that channel until the output is heard through the speakers. Turn up the MASTER to the
maximum required volume level and reduce the channel volume control if necessary.
REMEMBER: The initial built-in USB/SD/FM audio player volume is controlled via the IR remote
control. The output of the amplifier is represented on the level meter LEDs and care should be taken
that the Red “Clip” LED is only lit momentarily during use. Anything longer than a short flash of this
LED may be indicating distortion or clipping of the output signal and the MASTER should be turned
down.
If a microphone is connected to MIC1 input, make sure it is switched on and if it requires phantom
power, make sure this feature is enabled. Gradually increase its volume control whilst speaking into
the microphone until the required volume level is
reached. The microphone should not be able to “hear” the speakers, which can cause feedback
(squealing or howling noise). If the VOX feature is enabled, audio playback through channels 2-5 will
be reduced in volume automatically when speaking into Mic1, Use the volume to control primary
sound level.
In addition to channel and MASTER volume controls, there are BASS and TREBLE EQ controls to
adjust the tone of the overall output. At the 12 o’clock position, these controls are applying no effect to
the signal (no boost or cut). Moving the BASS control clockwise boosts the low frequencies in the
audio, whilst moving it anticlockwise will cut these low frequencies. Likewise, moving the TREBLE
control clockwise boosts the high frequencies in the audio, whilst moving it anticlockwise will cut these
high frequencies. Adjust these EQ controls to suit the type of audio signal or compensate for the room
acoustics.
USB/SD Playback
Push a USB pen drive into the USB port and/or an SD card into the SD card input The Amplifier will
automatically scan the USB/SD and play any music file that is stored.
Play, FF, RW, next track, next folder is all the remote control.

FM Tuner
Press the mode select button to switch to the FM tuner function. Use the Previous or Next buttons to
select a stored channel
Tuning and Storing stations
Use the Forward/Reverse seek buttons to manually tune the frequency in steps of 0.05MHz.
Alternatively, press and hold the Forward/Reverse seek buttons to auto search for available stations.
Upon finding a station, the auto search will stop, giving the option to store this station. At this point,
pressing the PLAY/PAUSE button will flash a “00” channel number in the display. Use the
Previous/Next buttons to select an appropriate channel memory. Press PLAY/PAUSE again to
confirm and store the station into the selected channel memory.
Auto search can be stopped at any time by pressing the Forward/Reverse seek buttons
Mute ON/OFF
Pressing the MUTE ON/OFF button will mute the output of the audio player.
USB to Recorded Internal Alarm Message
This is used to download any MP3 message or new configuration to the amplifiers internal memory.
To record a message please make sure your file is in an MP3 format. Connect the amplifier to your
USB of your computer with the amplifier switched off. Your computer will automatically load in the
mp3 player. The amplifier comes with a default alarm noise and config file. DO NOT DELETE THE
CONFIG FILE AS THIS WILL STOP THE MP3 TRIGGER FROM WORKING. Delete the default Mp3
File on the amplifiers MP3 Player and drag your saved MP3 file from computer to the MP3 player on
the amplifier. This will then become the new recording when the alarm trigger is activated
Alarm Trigger
This will play the message from the internal alarm by simply shorting the two contacts together. This
can be done via an alarm board, PIR or a simple switch connected to the amplifier. Once the alarm
has been triggered if the alarm has been given priority it will mute all the other inputs to their minimum
levels and play the per recorded message
Stand-By
Press Stand-By button on remote to put amplifier in to stand-by mode. !

CONNECTION DIAGRAMS
REGULATIONS
Electromagnetic Compatibility (EMC)
This equipment generates radiated radio frequency energy, if not installed and used in accordance
with the instructions, it may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is more of the following measures: Re-orient or relocate the receiving
FM antenna. Increase the separation between the equipment and receiver. Connect the equipment to
an outlet on a different circuit to the receiver
!

WEEE Directive
The European Union has enacted a Directive 2012/19/EU on Waste Electrical and Electronic
Equipment (WEEE Directive). This directive is applicable in the European Union member states. The
WEEE marking on this product (see above) or its documentation indicates that the product must not
be disposed of together with household waste. To prevent possible harm to human health and/or the
environment, the product must be disposed of in an approved and environmentally safe recycling
process. For further information on how to dispose of this product correctly, contact the product
supplier, or the local authority responsible for waste disposal in your area. Business users should
contact the product supplier for information on how to dispose of this product correctly. This product
should not be mixed with other commercial waste. At the end of its life it please contact your supplier
to be safely disposed of. If you have any problems please contact your supplier or visit www.magna-
av.com for more information.!
SPECIFICATION SHEET
Model
Alert 30
Alert 60 inc Rackmount
Alert 120
Alarm
Volt free contact with 20 second record facility via USB Mini socket
Rated Power Output
30W
60W
120W
Output
100 or 70VAC & 8, 8 or 16Ohms screw terminals
Connector
Mic1 input by balanced Mix XLR / 6.3mm jack with phantom power
Input 2-3 inputs Mic/Line switchable unbalanced 6.3mm phone jack
Line 1-2 inputs by RCA; Line output by RCA
Volume Control
Microphone 1-3, Line 1-4, MP3/FM (Via Remote) Bass/Treble and Master
Input out
0.775V (0dbV)
Frequency Response
60Hz-15Khz (±3dB)
S/N Ratio
Line ≥ 85dB, Mic ≥ 72dB
THD
Less Than 0.5%
Protection
Short-circuit, Clip, Overload and high temp protection
Power Consumption
60W
100W
200W
Power Supply
220VAC @ 50Hz / 24VDC
Dimensions (WxDxH)mm
300x275x88mm
Dimensions Rackmount
(WxDxH)mm
N/A
482x275x88mm
Weight
3KG
6.7KG
7.8KG
Weight Rackmount
N/A
7KG
8.1KG
Service
Ensure that any problems are have not been caused by user error or from a site fault connected to
the amplifier. If after doing these checks the amplifier is still not running then please return it to your
dealer or go to www.magna-av.com
Warranty
The warranty is from the time the unit was bought from your dealer not from the time the product
started to be used or was installed on site.
Specifications may change without prior notice.