New
INTRODUCTION AND FEATURES
INTRODUCTIONAuto Turn-On and Power-Sequencingelectrical connection between the sig-
Circuitrynal path and the protection circuitry. As
Congratulations on your purchase of
aWhen used in a JBL Performancea result, there can be no coloration of
this JBL PerformanceSeries AVA7
System, the AVA7 can be turned onthe music, no interaction between pro-
power amplifier! You have purchased a
automatically whenever the surroundtection and amplification, until certain
product that embodies the best of what
processor is activated. No longer dothresholds are exceeded, at which
JBL has learned about the emotional
you have to get out of that chair to turns
power of audio reproduction in more
on the various pieces of equipment incompletely.
than fifty years of preeminence in the
your entertainment system; just one
field. This amplifier has been designed
touch on the remote control of the sur-
and crafted to provide the user with
round processor, and youOre a few sec-
a high level of sonic performance.
onds away from a truly impressive
Special attention has been paid to min-
audio presentation!
imizing the number of components in
the audio signal path, resulting inModern amplifiers produce more
extremely low distortion, excellentpower per channel (and frequently
transient response, and wide dynamichave more channels) than those of the
range. JBL products set new bench-traditional two-channel stereo era. Due
marks in audio technology, and, whento the high current demands of power
used as part of a complete JBLamplifiers at the instant of turn-on,
Performance Series system, will bringthe AVA7 amplifier is equipped with
the ambience and acoustics of some ofa power-sequencing circuit that
the worldOs greatest concert halls andturns on each amplifier in a delayed
theaters into your home.sequence, avoiding the large instanta-
neous current demand (and possible
To obtain the best performance from this
circuit breaker tripping) that may occur
amplifier, please be sure to completely
should more than one amplifier turn on
read this userOs manual and use the
at the same instant.
AVA7 only in accordance with its
instructions.Quiet Cooling
The AVA7 utilizes two fans to cool the
amplifier channels, ensuring long-term
FEATURES
reliability. To reduce fan noise to an
The JBL Performance Series AVA7
absolute minimum, a thermal-sensing
power amplifier features the following:
and control circuit, which senses
Full Seven-Channel Operationincreases in temperature within the
The AVA7 has been designed to inte-amplifier and powers the fans at a
grate well into the world of multichan-speed proportional to that temperature
nel audio. It is designed to reproduceincrease, has been incorporated in the
the latest development in home theaterJBL Performance Series AVA7. As a
audio � rear channels, in addition toresult, the fan is never turning faster
side channels � to produce a trulythan necessary, and most of the noise
enveloping sound field. When coupledthat is generated is masked by the pro-
with a high-quality subwoofer amplifier,gram being listened to.
it is a solid foundation on which to
Comprehensive and Isolated Circuit
build a high-performance home cinema
Protection
system that will astound the listenerThe AVA7 amplifier employs sophisti-
with its power and realism.
cated protection circuitry (one for each
High Power Capabilitychannel) that senses many possible fault
The AVA7 provides a satisfying 125conditions, such as shorted loudspeaker
watts per channel of distortion-freewires or excess power demand, and
<0.01% THDs
Because of their power capabilities,the fault condition is removed, at which
JBL Performance Series amplifiers havetime normal operation is automatically
an extremely wide dynamic range, anrestored. While protection of this sort is
element critical to realistic home cinema.not uncommon in todayOs well-designed
Sound levels equal to those at originalamplifiers, a remarkable feature of the
performances are easily re-created inJBL Performance AVA7Os protection cir-
even the largest of home listening cuits is that they are optically coupled
environments.to the signal circuit; there is no direct
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