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VTX A8 | User Manual
8.3 - CROWN AUDIO V-RACK
VTX A8 systems are compatible with the Crown Audio V-Rack 12000HD and Crown Audio V-Rack 4x3500HD touring racks. The number
of supported cabinets per amplifier and wiring options remain the same as the Crown Audio I-Tech examples illustrated in this docu-
ment. For more information on the Crown Audio V-Rack products, refer to the V-Rack User Manuals and documentation.
CAUTION: Make sure the total number of VTX B18 enclosures per circuit / amplifier does not exceed the maximum
number recommended.
8.2 - B18 ON I-TECH 4X3500HD
When using Crown Audio I-Tech 4x3500HD amplifiers, up to four VTX B18 (1 x per circuit) subwoofers can be powered per amplifier.
Based on the B18 component resource requirements, this allows for optimum power-to-transducer ratio without compromising the
maximum SPL capabilities of the system. The example below illustrates how to connect 4 x VTX B18 cabinets to a 4-channel I-Tech HD
amplifier using standard 4-contactor NL4 cables. The channel selection switch at the back of each B18 is used to assign each cabinet
to the appropriate amplifier channel.
A
B
A
B
A B
A B
Channel Selection
Switch
Amplifier Channels
Channel 1 B18 1
Channel 2 B18 2
Channel 3 B18 3
Channel 4 B18 4
CH1/CH2 CH3/CH4
OUTPUTS
Amplifier Rear Panel
Crown I-Tech 4x3500HD
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