* Professional Sound System
Conference Amplifier
3
PAR
: Parallel operating mode indicator (green). When the amplifier is in the parallel operation mode, this
indicator light, then the input signal only applies to CH1.
2.2 Rear panel description
①
CH-1/CH-2 input socket
The CH-1 / CH-2 input uses the standard XLR (female base), the wiring method is: 1 foot: signal ground 2
feet: 3 feet: signal -. Please refer to the instructions on the back panel of the machine.
②
CH-1/CH-2 output socket
The CH-1 / CH-2 output uses the standard XLR (male base), with the same XLR (female) connection can be
used to output the same signal to another amplifier device. The wiring method is: 1 foot: signal ground 2 feet:
3 feet: signal -. Please refer to the instructions on the back panel of the machine.
③
Limit 1/Limit 2
④
CH-1/CH-2 35Hz High-pass filter
Low-cut filter excises the band below 35Hz to protect the subwoofer from heavy vibration damage.
⑤
Function mode switch
Used to select stereo mode, bridge mode or parallel mode.
⑥
CH-1/CH-2 Low frequency excitation
Produced by the bass processor to control the amount of low frequency signal from 0 to infinity. Adjust
according to device parameters and personal preferences.
Note: The bass processor should be used with care to avoid possible speaker damage, and most small
economic speakers can not withstand the low frequency impact produced by the device.
⑦
CH-1/CH-2 professional SPEAKON speaker socket
When the device in stereo mode, you can use the SPEAKON socket to connect and the connection is: 1 +; 2 +.
1-; 2-
⑧
Amplifier output wiring column
⑨
Recoverable fuse
When the amplifier fails, the fuse will automatically disconnect. After stopping working and clearing the fault,
press the fuse button to restore the connection to ensure normal work.
⑩
Local power input socket
⑪
Cooling fan window
Do not block the cooling fan window under any circumstances.
⑩
①
①
②
②
③
④
⑤
⑥
⑦
⑧
⑧
⑦
⑨
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