AMC iCOM 2x20 Manual de usuario
Important
Do not install this equipment in a
confined space such as a book case or
similar unit.
The apparatus should not be dripped or
splashed and no objects filled with
liquids, such as vases, should not be
placed on the apparatus.
This unit should not be used near water
(e.g. near bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or
near a swimming pool, etc.) Care should
be taken so than objects do not fall and
liquids are not spilled into enclosure
through openings.
Thank you for purchasing the iCOM 2x20 communication amplifier. This unit is designed for
powering speakers in small environments.
CONTENTS:
Before you start
System components 4
Introduction 4
Important 4
Features 4
Controls and connections
Front panel 5
Rear panel 5
Operation
Limiter 6
Installation 6
Troubleshooting 6
Specifications 7
System components
All system includes:
iCOM 2x20 1pc.
Power supply 1pc.
Instruction manual 1pc.
Introduction
Please follow the instructions in this manual to obtain the optimum results from this unit. We also
recommend that you keep this manual handy for future reference.
Important
The minimum speaker’s impedance for the stereo mode (2 channel operation) is 4Ω on each
channel.
The minimum speaker’s impedance for the bridge mode is 8Ω.
If you connect and use the unit with lower speaker’s impedance, you will damage the unit and
possibly other equipment that is connected to the device.
Do not ground the speaker output terminals!
Features
Class D high efficiency amplifier.
Stereo and bridge mode.
2MIC/Line switchable inputs: 2 unbalanced RCA and 2 balanced Phoenix.
Volume and tone controls.
Phoenix connector for output.
Built-in limiter with on /off switch.
Included 24V DC power supply.
Smart compact size for table or wall mount.
Front Panel
1. Line level RCA and Line/Mic balanced Phoenix inputs.
2. Volume control.
3. Bridge/Stereo switch. Then bridge is selected audio signal must be connected into input 2
4. Limiter on/off switch.
5. Tone control.
Rear Panel
1. Connector for power supply. DC 24V .
2. Outputs.
3. Power switch.
4. Power indicator.
Operation
Before the start, please ensure that amplifier power is off.
Connect sources such as CD player, DVD player or microphone into amplifier’s inputs.
Select bridge or stereo function by bridge/stereo switch.
Connect the outputs from the unit to your speaker. The stereo and bridge outputs are labeled
on the panel.
We recommend enabling Limiter.
Set the volumes controls into the “0” position and turn on the power.
Now you can adjust needful volume and tone levels.
Limiter
The limiter is a function that prevents very loud signals from passing through it by limiting the signal
volume temporarily to a normal level. Limiter prevents damage to the speakers or the unit itself.
The limiters primary function is to help prevent one time very loud signals such as a dropping of a
microphone or short loud parts of the music signals. Turning the limiter on may helps protect from sort
overloud, but it is not intended for total dynamics control.
Installation Troubleshooting
No power
Check power adaptor and power cable.
If power supply is good and LED of the
supply is lighting check the amplifier. If
not, please change power supply.
No sound
Check speaker’s line maybe line is
overloud and simultaneously check
maybe speakers is in short circuit.
Very high
noise
level
Check the connections of the devices,
and check signal level maybe level of the
input signal is too big. Make sure that
amplifier is not overloading.
General specifications
1. Power supply DC 24V
2. Rated power 20W each channel
3. Line inputs gain 0 dB 10kΩ
4. MIC input gain -23 dB 600Ω
5. Frequency response 50Hz – 18kHz
6. THD less 1% at 1kHz 1/3 rated power
7. S/N ratio 85dB
8. Dimensions 230x115x56
9. Weight 0,9 kg
AMC is a registered trademark of AMC Baltic www.amcpro.eu
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