VT X A12 | User Manual
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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
TM
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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