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Introduction
Thank you for selecting the MOON 860A Dual-Mono
power amplifier as a part of your hi-fi reproduction
system. This power amplifier has been designed to offer
state-of-the-art high-end performance in an elegant
package, while retaining all the sonic hallmarks on
which Simaudio has made its reputation. We have
spared no effort to ensure that it is among the finest
two-channel amplifiers available.
building high-performance audio equipment for over
30 years, and the know-how gained through our
cumulative experience is an important reason why
MOON amplifiers are so musically satisfying.
Your new amplifier is a true Dual-mono design, whereby
each channel operates completely independent of the
other. The performance of your 860A will continue to
improve during the first 300 hours of listening. This is
the result of a "break-in" period required for the
numerous
high
quality
throughout this amplifier.
Before setting up your new MOON 860A, we encourage
you to please read this manual thoroughly to properly
acquaint yourself with its features. We hope you enjoy
listening to the MOON 860A Dual-Mono power
amplifier as much as the pride we have taken in creating
this fine audio product. We understand the power and
emotion of music and build our products with the goal
of faithfully capturing these elusive qualities.
The information contained in this manual is subject to
change without notice. The most current version of this
manual is available on our official website at
http://www.simaudio.com
Your MOON 860A Dual-Mono Power Amplifier
incorporates many significant design features to
achieve its "world-class" level of performance. This is an
abbreviated list of the more important features:
6
860A Evolution
We have been
electronic
parts
Series
Proprietary "Lynx" Technology which eliminates feedback.
The results are: Real-time amplification is achieved since
interactions from the speaker back to the amplifier are
virtually eliminated; More accurate musical reproduction
with respect to tonality; Virtually non-existent transient
intermodulation distortion (which is far more degrading to
sonic performance than harmonic distortion);
elimination of common phase errors resulting from
feedback.
A custom proprietary toroidal transformer design with
lower magnetic, electrical and thermal loss, yielding an
improved power transfer and lower regulation factor,
resulting in increased current speed and better dynamics.
Fully balanced differential circuitry up to the output
stage.
Output stable to any known speaker impedance.
used
Class A output to 5 watts for greater efficiency.
RS-232 port for i) full unsolicited bidirectional feedback in
custom installation setups and ii) firmware updates.
An oversized power supply.
An exceptionally short signal path for a faster transient
response.
Precision matched and fully decoupled proprietary MOON
Bipolar Output transistors with unprecedented gain linearity
resulting in improved bass response and even more accurate
sonic reproduction.
A high damping factor which yields superior musical
dynamics, improved signal speed and refined timbre accuracy.
Ultra rigid chassis construction to minimize the effects of
external vibrations.
Designed to be powered up at all times for optimal
performance.
The
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