Page 5
SMi series - Professional SMPS stereo amplifiers
English
4 - Description
4.1 - Front panel
1
Mounting
brackets
Allow you to installl your amplifier within 19" (482mm)
racks.
2
Cooling
vents
Allow the air to flow through the amplifier to cool down
its internal components.
Please do not obstruct these vents as it may result in
overheating and damage the internal components.
3
Clip
LED
Lights up when the clip threshold has been reached to
indicate the input is saturated and its output signal might
be distorted.
Adjust the level output of your source in order to correct
this and prevent damages to your speaker and amplifier.
The sound quality will drastically improve as well.
4
Protect
LED
Lights up to indicate the channel is in protection
mode, the output will then be "cut" by an internal relay.
Usually the Protect mode is activated when the channel
is overheating or serious problems occur in order to
protect speaker(s) connected to this channel.
This LED briefly lights up upon activation of your
amplifier in order to avoid sending voltage peaks to your
speakers during the initialisation of your amplifier.
5
Signal
LED
This green and yellow LED lights up when a signal is
detected via one of the input.
6
On
LED
Lights up to indicate the power supply of your amplifier
is activated. The power supply is activated when the
ON/OFF power button is positioned onto
I
.
7
ON/OFF Power switch
Activates/deactivates the power supply unit.
8
Input
attenuator
Each channel features an input attenuator allowing you
to limit the incoming signal level.
- In "
mono bridged
" mode, attenuator 1 affects both
channels.
- In "
Parallel
" mode, each attenuators only affects its
own channel.
9
Parallel
LED
Lights up when your amplifier is in Parallel mode (both
channels amplify the same signal).
10
Bridge
LED
Lights up when your amplifier is in Bridge mode (channel
1 signal is amplified by the sum of the two channels).
11
Power
LED
Lights up when your amplifier is connected to an
electrical outlet. Lights off when the power button is
positioned onto
I
.
12
Transport
handle
1
2
6
7
11
12
8
8
9
10
3
4
5
