Specifications

64
Precise Frequency Selector Electronic
Crossover
The inclusion of an electronic
crossover in an amplifier allows
for efficient setup and configuration of an audio
system. It also allows that amplifier to be used
with factory or after market source units that do
not have electronic crossovers in them. Finally,
the electronic crossover can be used to maxim-
ise the performance of the speaker(s) it is power-
ing.
One drawback of a conventional electronic cross-
over is that it can be difficult to precisely set the
crossover frequency because the potentiometer is
nearly infinitely adjustable. Many crossover con-
trols are only labelled at the top and bottom of its
frequency range, making selecting something in
the middle even more difficult.
Clarion provides a simple and elegant solution
for accurately setting crossover points with our
PFS (Precise Frequency Selector) crossover
adjustment. The potentiometer on the APX2180,
APX4360, DPX2250, DPX1800 and DPX11500
amplifiers has 41 detented positions. Using the
supplied charts, you can select a specific crosso-
ver frequency, then to set it, turn the adjustment
potentiometer the according number of clicks,
and you are done.
One of the many benefits of this feature surfaces
when you are building a multi-amp system. With
conventional crossover controls, you could end
up setting a subwoofer amp to 70Hz when you
were aiming for 85Hz and end up at 100Hz on
the mids and highs amp. The result would be a
system that lacks dynamics and sounds muddy.
PFS makes accidental under- or over-lapping of
crossovers a thing of the past.
Input Voltage Selector Gain Control
Conventional gain adjustment
systems have inherent limita-
tions. Because users want a wide sensitivity range
(0.2V to 8.0V for example), a conventional gain
control causes large differences in left and right
2007 Amplifier Line Overview
Clarion amplifiers were designed from the ground
up to compliment one-another in terms of fea-
tures, performance and design. The 2007 ampli-
fier line takes a three tiered approach to features,
technology and design.
Model Class Description Power
APX2120 AB 2-Channel 2 x 60W
APX4240 AB 4-Channel 4 x 60W
APX1300 AB Mono 1 x 300W
APX2180 AB 2-Channel 2 x 90W
APX4360 AB 4-Channel 4 x 90W
DPX2250 G 2-Channel 2 x 125W
DPX1800 G Mono 1 x 800W
DPX11500 G Mono 1 x 1500W
The entry-level amplifiers offer increased power
production over previous models, as well as fea-
turing a cosmetic theme that integrates with the
top two amp series. The feature set on our entry
level amplifiers was designed to allow installers to
get these amps installed into a vehicle quickly and
tune them without the need for complex instruc-
tion manuals. These features allow for elaborate
system design and configuration.
The top two series of amplifiers (Illuminated
and Class G) are designed around a set of fea-
tures that allow for more accurate installations,
class leading transparency, dynamics, musicality
and efficiency. The APX2180 and APX4360 offer
benchmark sonic transparency, frequency and
phase response and installation / configuration
features. The new DPX amplifiers feature state-
of-the-art Class G designs that offer the ultimate
mix of sound quality and efficiency, minimizing
the load on a vehicle's electrical system.
Amplifiers