Specifications

Amplifiers
Forced Induction Cooling
Clarion’s XH-series amplifiers feature forced induction
cooling. This is a two-part technology. First, the
heatsink design of the amplifier maximizes air flow
across the switching devices to hit them with a blast of
cool air. Air is then ingested into the core of the
amplifier and expelled through the ends of the amp.
The second part of Forced Induction Cooling is the
computer controlled
cooling fan. A ther-
mal sensor con-
nected to the heat
sink of the amp
combined with pro-
gramming logic in
the amplifiers core
decides the appro-
priate speed for the
fan to maximize
cooling while mini-
mizing noise.
Mixed-Mode Operation
Clarion 2 and 4 channel amplifiers use an inverting
circuit that allows a pair of channels to simultaneously
drive multiple satellite speakers in stereo and a
subwoofer in a bridged-mono configuration. When
used in conjunction with passive crossover compo-
nents, a Clarion amplifier is capable of mixed mode
operation that can power an entire audio system.
Differential Inputs
High impedance differential input stages separate the
input signal ground from the common chassis ground.
This creates a very effective ground-loop isolation
circuit that reduces the possibility of charging system
noise entering the signal path. The circuit also
compares the signal information on the shield to that of
the center conductor and eliminates any common
signal (noise), leaving only clear and detailed music.
This advanced circuit topology ensures that Clarion
amplifiers will accurately reproduce all the dynamics
and subtleties found in today’s digital recordings. At
the same time, noise suppression circuits work to
effectively to eliminate induced electrical system noise,
contributing to maximum dynamic range.
Clarion recommends the use of twisted-pair RCA
interconnects with our amplifiers.
High Impedance Inputs
Clarion amplifiers feature high impedance RCA input
stages. This allows source unit with low quality high
impedance preamp outputs to provide the best possible
frequency and phase response while limiting the effect of
interconnect reactances on the amplifiers frequency
response.
High impedance inputs also allow you to drive multiple
amplifiers from a single set of preamp outputs using
Y-cables without as dramatic an effect on signal quality.
Amplifier Circuit Components
Any product is only as good as its weakest link. When
Clarion decided to reduce the physical size of the XH and
XR series of amplifiers, we knew that this could not be
done at the expense of sound quality, performance or
reliability.
The decision was make
to design these ampli-
fiers for the use of sur-
face mount technology
(SMT) devices. SMT
devices offer improved
tolerances as com-
pared to through-hole
devices, and better
resist electrical inter-
ference from RF or
EMI noise.
The result is an amplifier that costs a little more to
produce, but sounds better.
Multi-Channel Amplifiers
Clarion’s multi-channel amplifiers provide four channels
of amplification from one chassis. Each amplifier is
equipped with front and rear gain controls and high-/low-
pass electronic crossovers. This configuration provides
maximum flexibility.
A four channel amplifier is the perfect starting point in
terms of an amplifier upgrade. This amplifier is most
flexible in terms of system expansion. It can be used to
drive four full-range speakers, four full-range speakers
and a subwoofer, a mid and tweeter set or more. A four
channel amp rarely needs to be replaced as a customers
system expands over the years, adding value to the
purchase.
66