Studiomaster Professional ARC Series, ARC 240A, ARC 120A, ARC 120UB, ARC 240UB Instruction Manual
I N S T R U C T I O N M A N U A L
ARC SERIES
MIXER AMPLIFIER
Models:- ARC 120A, ARC 120UB, ARC 240A, ARC 240UB
VOL+ VOL- NEXT PREV MODE
SD/MMC CARD
MEDIA PLAYER
IRPLAY/
PAUSE
USB
88:88
►
USB
AUX
II SD FM
POWER
CLIP
SIGNAL
ON
MIC/LINE
1 2
3
4
5
MIC/LINE MIC/LINE
MIC/UB
AUX
TREBLE
MASTER
0 10 0 10 0 10 0 10 0 10 0 10
BASS
dB
+1010
dB
+1010
MEDIA PLAYER
120 WATT MIXER AMPLIFIER
ARC 120UB
R
120 WATT MIXER AMPLIFIER
ARC 120A
R
POWER
CLIP
SIGNAL
ON
MIC/LINE
1 2
3
4
5
MIC/LINE MIC/LINE
MIC/LINE
AUX
TREBLE
MASTER
0 10 0 10 0 10 0 10 0 10 0 10
BASS
dB
+1010
dB
+1010
VOL+ VOL- NEXT PREV MODE
SD/MMC CARD
MEDIA PLAYER
IRPLAY/
PAUSE
USB
88:88
►
USB
AUX
II SD FM
MEDIA PLAYER
240 WATT MIXER AMPLIFIER
ARC 240UB
R
POWER
CLIP
SIGNAL
ON
5
4
MIC/UB
AUX
TREBLE
MASTER
0 10
BASS
dB
+1010
dB
+1010
MIC/LINE
1 2
3
MIC/LINE MIC/LINE
0 10 0 10 0 10 0 100 10
POWER
CLIP
SIGNAL
ON
5
4
MIC/LINE
AUX
TREBLE
MASTER
0 10
BASS
dB
+1010
dB
+1010
MIC/LINE
1 2
3
MIC/LINE MIC/LINE
0 10 0 10 0 10 0 100 10
240 WATT MIXER AMPLIFIER
ARC 240A
R
Features of the Product
Five inputs : 4 balanced microphone/line inputs, One auxiliary (stereo summing) line input (For ARC 120A & ARC 240A).
Five inputs : 3 balanced microphone/line inputs and one microphone/UB input, One auxiliary (stereo summing) line input (For ARC 120UB &
ARC 240UB).
Thank you for your purchase of the STUDIOMASTER ARC Series mixer amplifier. This amplifier fully incorporate STUDIOMASTER’s
renowned technology and offers high reliability, rock solid stability and superb acoustic characteristics.
2
Switchable phantom power for all mic inputs.
Speaker outputs consist of 70 V, 100 V, 4 ohm, 8 ohm & 16 ohm.
An auxiliary line output can be used for recording or connection to an external mixer amplifier.
Pre-amp & Amp-in RCA connectors to use external devices such as Equalizer.
An Auto-Talk function provides voice-activated priority (VOX) for the Input 1 which overrides the remaining inputs.
Other features include channel level, master volume controls and bass/treble controls, low cut, Level indicators, Power-On Indicator & On/off
switch .
24V DC Operation – Instant transfer to DC Power (car battery) if AC power fails.
USB input with Play, Next, Previous keys & Remote control (For ARC 120UB & ARC 240UB).
Do not operate the unit or immediately disconnect the plug from the mains socket.
1. If there is visible damage to the unit or to the mains cable.
2. If a defect might have occurred after the unit was dropped or suffered a similar accident.
3. If malfunctions occur. In any case the unit must be repaired by skilled personnel.
A damaged mains cable must be replaced by the manufacturer or authorized, skilled personnel only.
Never pull the mains cable when disconnecting the mains plug from the socket, always seize the plug.
For cleaning only use a dry, soft cloth; never use chemicals or water.
No guarantee claims for the unit or liability for any resulting personal damage or material damage will be accepted if the unit is used for other
purposes.
If the units is to be put out of operation definitively, take it to a local recycling plant for a disposal which is not harmful to the environment.
The wires in the mains lead of the power supply unit are coloured in accordance with the following code:
green/yellow or green = earth
blue or black = neutral
brown or red = live
As per the colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your
plug.
3. The wire which is coloured brown/red must be connected to the terminal which is marked with the letter L or coloured red.
1. The wire which is coloured green/yellow or green must be connected to the terminal in the plug which is marked with the letter E or by the
earth symbol .
Warning - This appliance must be earthed.
2. The wire which is coloured blue/black must be connected to the terminal which is marked with the letter N or coloured black.
3 Protective Circuit
The protective circuit is provided to prevent damage to the amplifier.
3. In case there is DC at the output terminal.
1. In case of a short circuit at a speaker output.
2. In case of a overheating of the amplifier.
Please observe the following terms in any case:
The unit is suitable for indoor use only. Protect it against dripping water and splash water, high air humidity, and heat (admissible ambient
temperature range 0-40 C). °
Do not place any vessel filled with liquid on the unit, e.g. a drinking glass.
2 Safety Notes
The unit is supplied with hazardous mains voltage (240V~). Leave servicing to skilled personnel only. Inexpert handling may cause an
electric shock hazard. Furthermore, any guarantee claim will expire if the unit has been opened.
Always switch of the unit before making or changing any connections.
VOL+ VOL- NEXT PREV MODE
SD/MMC CARD
MEDIA PLAYER
IRPLAY/
PAUSE
USB
88:88
►
USB
AUX
II SD FM
MEDIA PLAYER
240 WATT MIXER AMPLIFIER
ARC 240UB
R
POWER
CLIP
SIGNAL
ON
5
4
MIC/UB
AUX
TREBLE
MASTER
0 10
BASS
dB
+1010
dB
+1010
MIC/LINE
1 2
3
MIC/LINE MIC/LINE
0 10 0 10 0 10 0 100 10
POWER
CLIP
SIGNAL
ON
5
4
MIC/LINE
AUX
TREBLE
MASTER
0 10
BASS
dB
+1010
dB
+1010
MIC/LINE
1 2
3
MIC/LINE MIC/LINE
0 10 0 10 0 10 0 100 10
240 WATT MIXER AMPLIFIER
ARC 240A
R
VOL+ VOL- NEXT PREV MODE
SD/MMC CARD
MEDIA PLAYER
IRPLAY/
PAUSE
USB
88:88
►
USB
AUX
II SD FM
POWER
CLIP
SIGNAL
ON
MIC/LINE
1 2
3
4
5
MIC/LINE MIC/LINE
MIC/UB
AUX
TREBLE
MASTER
0 10 0 10 0 10 0 10 0 10 0 10
BASS
dB
+1010
dB
+1010
MEDIA PLAYER
120 WATT MIXER AMPLIFIER
ARC 120UB
R
120 WATT MIXER AMPLIFIER
ARC 120A
R
POWER
CLIP
SIGNAL
ON
MIC/LINE
1 2
3
4
5
MIC/LINE MIC/LINE
MIC/LINE
AUX
TREBLE
MASTER
0 10 0 10 0 10 0 10 0 10 0 10
BASS
dB
+1010
dB
+1010
Front Panel (ARC 120A, ARC 240A, ARC 120UB & ARC 240UB)
1
2
3
4
5
6
8 7 9
1
2
3
4
5
6
8 7 9
10 11 12
13 15
14
10 11 12
13 15
14
3
FRONT PANEL CONTROLS AND FEATURES
1) Controls:
1.1. Control for adjusting the pre-amplification for the first 4 channel INPUT 1 to 4 in Mic or Line mode (For ARC 120A & ARC 240A).
1.2. Controls for adjusting the pre-amplification for the first 3 channel INPUT 1 to 3 in Mic or Line mode & 4th Channel use for Mic or UB
mode in ARC 120UB & ARC 240UB.
2) Control for adjusting the pre-amplification for the AUX channel.
3) Bass - Low frequency can be cut or boosted by this control @100Hz.
4) Treble - High frequency can be cut or boosted by this control @10KHz.
5) Control MASTER VOLUME for all the Input channel.
6) CLIP LED, light up in case of overload.
7) Signal LED shows the presence of signal.
8) Power on LED.
9) Power Switch:- Used for switching the unit on and off.
10) USB INPUT: Use this connector to plug in your pen drive. (USB Mp3 flash memory)
Terms of use : Studiomaster Professional respects intellectual property rights and we request our users to do the same. Please use Mp3
downloads only for program which you have legally purchased. PLEASE DO NOT USE PIRATED MUSIC OR PROGRAM.
Disclaimer: Your acceptance and use of this product will be treated as your agreement to the following clause: Studiomaster Professional,
Audioplus & all associated companies & sellers are indemnified from liability the end-user may incur by using illegally procured material or
immoral content or any other such similar program selection.
11) Vol + & - : Use these switches to decrease or increase music volume from USB, SD/MMC Card or Bluetooth.
14) MODE SELECTION: Mode switch is used to switch between USB, Bluetooth and SD/MMC card operation.
12) USB/BT function switches: Use these switches to either play, pause or to go to the previous or next track.
15) USB/BT DISPLAY: It Indicates track number from USB, Bluetooth, SD MMC card input.
13) SD/MMC Card: To plug in SD/MMC card (For mini SD card use SD adaptor).
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