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Reference Manual
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Reference Manual
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DXP Series Switching Power Amplifier DXP Series Switching Power Amplifier
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Front Panel
Rear Panel
1. Rack mounting ears
Two front panel mounting holes are provided on each mounting ear.
2. Fan intake grill filter
One grill with foam filter is located on the front panel to prevent dust from entering the
amplifier. For easy cleaning of the filter the grill is removable by simply pulling it off. The foam
filter should always be used. The fan's
variable speed control ensure low noise operation and
adapt the quantity of air required from the actual temperature inside the unit.
Thanks to this advanced system low noise is guarantee. Do not block this intake!
3. Input attenuator
Two front panel precision 41 steps input attenuator adjust level for their respective amplifier
channels. Minimum attenuation (-0dB) equals maximum output. In the bridge mode both level
attenuator must be at the same position. We recommend that you set CH1 to the -0dB (full)
position.
4. Signal bar LED
Each channel has a bar LED, as the input signal strength increase, the green SIGNAL -30dB,
-24dB, -18dB, -12dB, -9dB, -6dB, -3dB, 0dB LED indicators light respectively.
5. Clip/Limiter LED
Each channel has a LED that light at the real clipping point (more than 0.5% T.H.D.) and also
indicates the input signed is compressed by amplifiers.
Parallel Mode (Input Link)
In parallel mode both channels' inputs are linked and receive the same signal. The parallel
mode is active if the Link switches are in position "PARA". Both level attenuators are active,
allowing you to set different levels for each channel. Note that only the inputs are connected
in parallel. This is NOT a parallel mono mode. Never connect either positive output terminal
to ground or in parallel.You may use the remaining input connectors to carry the signal to
other amps. NOTE:Always turn off the Link switch when using the amplifier for Bi-amping.
Figure 1
Stereo Mode
CHANNEL 1
CHANNEL 2
LOUDSPEAKERS
BRIDGE
PARALLEL
STEREO
CH 1
CH 2
MIXER
CAUTION: TURN OFF AMPLIFIER
BEFORE CHANGING THIS SWITCH
Bridge Mono Mode
CAUTION: TURN OFF AMPLIFIER
BEFORE CHANGING THIS SWITCH
LOUDSPEAKERS
MIXER
Only use the CH 1 Input
CH 2 is not used in the mode
CHANNEL 1
CHANNEL 2
LOUDSPEAKERS
MIXER
CAUTION: TURN OFF AMPLIFIER
BEFORE CHANGING THIS SWITCH
Only use the CH 1 Input
CH 2 is not used in the mode
Parallel Mono Mode
BRIDGE
BRIDGE
PARALLEL
PARALLEL
STEREO
STEREO
2-