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VT X A12 | User Manual

7 - SYSTEM AMPLIFICATION

Like all other VTX systems, the VTX A12 is powered exclusively by Crown I-Tech HD ampliﬁers, providing optimum per-

formance and consistency across the world. The Crown I-Tech HD series ampliﬁers feature BSS Audio OMNIDRIVEHD™

processing for each ampliﬁer channel, including the acclaimed LevelMAX™ Limiter Suite and support for linear-phase

FIR ﬁlters. All VTX A12 processing is done using I-Tech HD internal processing and no other external DSP is required.

The Crown ampliﬁers include a user-adjustable input section for room correction equalization, array size compensation

and circuit adjustments.

Standard JBL VTX A12 presets are available for both the Crown I-Tech 4x3500HD and Crown I-Tech 12000HD. The

most up-to-date presets are available for download from the www.jblpro.com website and are always bundled in the lat-

est version of JBL’s Performance Manager

control software.

7.1 - CROWN I-TECH 4X3500HD

When using Crown Audio I-Tech 4x3500HD ampliﬁers, up to 3 VTX A12 loudspeakers can be powered per ampliﬁ-

er. Based on the A12 component resource requirements, this allows for optimum power-to-transducer ratio without

compromising the maximum SPL capabilities of the system. Circuits of 2 cabinets can be used when higher circuiting

resolution is necessary.

Ampliﬁer Channels

Channel 1 A12 LF

Channel 2 A12 LF

Channel 3 A12 MF

Channel 4 A12 HF

Crown I-Tech 4x3500HD JBL VTX A12

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