Mono bridge mode
■ Bring the input signal into Channel A as usual.
■ Make a link cable with XLR plugs at both ends to go from Channel A LINK socket to Channel
B INPUT socket.
■ Pin connections in this lead are as follows:
● Pin 2 at one end connects to Pin 3 at the other end- i.e., Pin 2-3 and Pin 3-2.
Re the Q900: repeat the above procedure to bridge Channels C & D.
■ Split the speaker cable by separating the two conductors for a distance of 200mm along the
cable.
■ Connect the red conductor to Terminal 1+ of the Channel A Speakon connector.
■ Connect the black conductor to Terminal 1+ of the Channel B Speakon connector.
Re the Q900: repeat the above procedure to bridge Channels C & D.
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Warning: Do not make connections to any other terminals.
■ Set both Channels’ Gain Controls in the same position, preferably at maximum, and control the
gain from elsewhere in the system. This ensures the load is shared equally between channels.
■ A750: one (1) load of 8 ohms minimum. Power output is 850 watts.
■ A1000: one (1) load of 8 ohms minimum. Power output is 1200 watts.
■ A1500: one (1) load of 8 ohms minimum. Power output is 3000 watts.
■ A2000: one (1) load of 4 ohms minimum. Power output is 2400 watts.
■ A3000: one (1) load of 4 ohms minimum. Power output is 3000 watts.
■ Q900: one (1) load of 4 ohms minimum by Channels A&B combined.
one (1) load of 4 ohms minimum by Channels C&D combined.
Output power is 3000 watts per channel pair.
■ First, construct a lead with a connector at the source end to suit the source equipment and two
(2) XLR plugs at the amplifier end.
Wiring is as follows:
■ The HOT output from the source equipment goes to Pin 2 of the Channel A (Channel C) XLR
plug and Pin 3 of the Channel B (Channel D) XLR plug.
■ The COLD connection from the source equipment must go to Pin 3 of the Channel A
(Channel C) XLR plug and to Pin 2 of the Channel B (Channel D) XLR plug.
■ The cable screen connects to Pin 1 of the XLR plugs in both cases.
■ Connect the red conductor of the speaker cable to Terminal 1+ of the Channel A (Channel C)
Speakon connector.
■ Connect the black conductor of the speaker cable to Terminal 2+ of the Channel B (Channel
D) Speakon connector.
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Warning Do not make connections to Terminals 1- or 2- .
■ Set all Channels’ Gain Controls in the same position, preferably at maximum, and control the
gain from elsewhere in the system. This ensures the load is shared equally between channels.
■ Q6: One (1) load of 8 ohms minimum by Channels A&B combined.
One (1) load of 8 ohms minimum by Channels C&D combined.
Output Power on the Q6 is 1200 watts per channel pair.
Mono bridge mode
6
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Warning: Please note you cannot bridge an A2500, A5000 or A6000 amplifier.
A750/A1000/
A1500/A2000/
A3000/Q900
Input Connections
Output
Connections
Operation
Loading & Power
Output
Q6
Input Connections
Output
Connections
Operation
Loading & Power
Output
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