EIGHT BIPOLAR OUTPUT DEVICES PER CHANNEL
Solid-state amplifiers get their power from the output devices used in
the amplification stage—the greater the number of devices per channel,
the greater the available high-current power for the crescendos in music
or the thrills, thunder and explosions in movies. Performance is simply
more effortless. It also means that the amplifiers run cooler, making
them more reliable. A2 and A5 amplifiers each have eight bipolar
output devices per channel ensuring tremendous current reserves and
outstanding reliability.
FOUR-LAYER CIRCUIT BOARDS
Our hand-designed four-layer military spec (FR-4-rated) glass-epoxy circuit
boards with plated
through-holes makes extensive use of groundplanes
to ensure excellent
separation between amplifier channels. The result is
exceptionally low noise and low crosstalk between channels, as well as
between inputs. This multi-layered design also offers increased protection
from electrostatic discharge.
120 dB SIGNAL-TO-NOISE RATIO
Transformer-induced noise at the bass frequencies of 60 Hz, 120 Hz, and
180 Hz has effectively been eliminated. As a result, A2 and A5 amplifiers
boast vanishing noise and remarkably low levels of Total Harmonic
Distortion. The reproduction of subtle harmonic structures in each of
these powerful amplifiers reveals extraordinary spatial ambience and
soundstage dimension.
ULTRA-QUIET TOROIDAL POWER SUPPLY
Thanks to massive conservatively rated toroidal power supplies designed
with high rail voltages, A2 and A5 multichannel amplifiers provide ultra-
quiet performance. Transformers are shaped to minimize stray electro-
magnetic radiation and tuned to minimize hum.
STATE-OF-THE-ART MODULAR DESIGN
A2 and A5 amplifiers reflect the benefit of a common modular design
enhanced by our highly refined amplifier circuit topology. Each amplifier
channel is self-contained on its own board and heatsink. In the rare
event that servicing is required, it can be done quickly and easily by a
qualified technician, minimizing the down time of your system.
REFERENCE-QUALITY INPUT CONNECTION
Gold-plated female RCA jacks on the A2 and A5 provide a high-quality
input connection. True-Balanced XLR connections ensure the lowest
level of noise and hum possible.
Our unique auto-sensing technology means no switches. Just plug in
either the RCA or XLR connector and our auto-sensing technology will
automatically select the right input.
POWER ON/OFF THREE WAYS
A2 and A5 amplifiers can be powered On/Off three ways:
1. Manually, with the On/Off switch on the front panel.
2. Remotely, via the 12-volt trigger input on the rear.
3. Automatically, with our patented Auto-On/Off circuit—an incoming
audio signal immediately switches it on, and approximately 20 minutes
after the audio signal ends, it simply switches off
.
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