moon Evolution 850P Owner's Manual
Owner’s Manual
Evolution Series
850P
Reference Dual-Mono Preamplifier
850P Reference Dual-Mono Preamplifier
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves or another apparatus that produces
heat.
9. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one
wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third
prong is provided for safety. If the provided plug does not fit into the outlet, consult an electrician for replacement of
the obsolete outlet.
10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus. Unplug mains cord during transportation.
11. Only use attachments and accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer or sold with the
apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury
from tip over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any
way, such as when the power cord or plug has been damaged; liquid has been spilled or objects have fallen into the
apparatus; or the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
15. No naked flame sources, such as candles, should be placed on the apparatus.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
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850P Reference Dual-Mono Preamplifier
Important Safety Instructions (cont’d)
The lightning flash with the arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated “dangerous voltage” within
the product’s enclosure that may be of sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
Marking by the “CE” symbol (shown left) indicates compliance of this device with the
EMC (Electromagnetic Compatibility) and LVD (Low Voltage Directive) standards of the
European Community
Please read all instructions and precautions carefully and completely before
operating your Simaudio MOON Dual-Mono 850P Preamplifier.
1. ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables,
or when cleaning any component. To completely disconnect this apparatus from the AC mains, disconnect
the power suppy cord plug from the AC receptacle.
2. The MOON 850P must be terminated with a three-conductor AC mains power cord which includes a
protective earthing connection. To prevent shock hazard, all three connections must ALWAYS be used.
Connect the MOON 850P only to an AC source of the proper voltage; Both the shipping box and rear panel
serial number label will indicate the correct voltage. Use of any other voltage will likely damage the unit and
void the warranty
3. AC extension cords are NOT recommended for use with this product. The mains plug of the power supply
cord shall remain readily accessible.
4. NEVER use flammable or combustible chemicals for cleaning audio components.
5. NEVER operate the MOON 850P with any covers removed. There are no user-serviceable parts inside. An
open unit, especially if it is still connected to an AC source, presents a potentially lethal shock hazard. Refer
all questions to authorized service personnel only.
6. NEVER wet the inside of the MOON 850P with any liquid. If a liquid substance does enter your MOON 850P,
immediately disconnect it from the AC mains and take it to your MOON dealer for a complete check-up.
7. NEVER expose the MOON 850P to dripping or splashing of liquids and no objects filled with liquids, such as
vases, shall be placed on top.
8. NEVER block air flow through ventilation slots or heatsinks.
9. NEVER bypass any fuse.
10. NEVER replace any fuse with a value or type other than those specified
11. NEVER attempt to repair the MOON 850P. If a problem occurs contact your MOON dealer.
12. NEVER expose the MOON 850P to extremely high or low temperatures.
13. NEVER operate the MOON 850P in an explosive atmosphere.
14. ALWAYS keep electrical equipment out of reach of children.
15. ALWAYS unplug sensitive electronic equipment during lightning storms.
16. WARNING: Do not expose batteries or battery pack to excessive heat such as sunshine, or fire or the like.
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850P Reference Dual-Mono Preamplifier
Table of Contents
Introduction ..................................................... 6
Unpacking........................................................ 7
Installation & Placement ................................... 7
Connecting the 850P Preamplifier & Controller ...... 8
Front Panel Controls ........................................ 9
Software Setup .............................................. 11
Rear Panel Connections .................................. 16
SimLink™ .......................................................17
Operating the 850P ........................................17
Remote Control Operation ...............................18
Balanced Operation ....................................... 20
Specifications ................................................ 21
Quick Reference: Setup Menus ................ Appendix
www.simaudio.com
Simaudio Ltd., 1345 Newton Road
Boucherville, Quebec J4B 5H2 CANADA
Date Code: 20140717
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850P Reference Dual-Mono Preamplifier
Introduction
Thank you for selecting the MOON 850P DualMono preamplifier as a part of your music/cinema
system. This preamplifier 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 the finest twochannel preamplifier available. We have been
building high-performance audio equipment for over
30 years, and the know-how gained through our
cumulative experience is an important reason why
MOON preamplifiers are so musically satisfying.
Your new preamplifier is a true dual-mono design,
whereby each channel operates completely
independent of the other. The performance of
your 850P will continue to improve during the first
400 hours of listening. This is the result of a “break-
in” period required for the numerous high quality
electronic parts used throughout this preamplifier.
Before setting up your new MOON 850P, we
encourage you to please read this manual
thoroughly to properly acquaint yourself with its
features. We hope you enjoy listening to the
MOON 850P dual-mono preamplifier 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 850P dual-mono preamplifier incorporates many significant design features to achieve its “worldclass” level of performance. This is an abbreviated list of the more important features:
2-chassis design with one chassis (Controller) housing
the power supply, digital controller circuitry, software
processing and the LED display. The other chassis
(Preamplifier) contains ONLY audio circuitry.
Our proprietary M-Octave Damping system that virtually
eliminates the sonically degrading “microphonic effect” by
mounting the main audio circuit board on an 8-point
floating suspension.
Custom proprietary toroidal transformer design with
lower magnetic, electrical and thermal loss, yielding an
improved power transfer and lower regulation factor. The
result is increased current speed and better dynamics.
An oversized dual-mono power supply features 6
stages of DC voltage regulation and choke filtering.
SimLinkTM controller port allows for 2-way
communications between other compatible MOON
Evolution Series components.
M-Ray volume control circuit based on the R-2R resistor
array configuration that uses thin film surface mount
resistors with 0.1% tolerances, resulting in no sonic
degradation of the audio signal regardless of the selected
volume setting.
530 individual volume steps in 1dB and 0.1dB
increments.
M-Lock circuit for “user selectable” maximum volume
setting lock-out for each line input.
Power supply voltage regulation includes i2DCf
(Independent Inductive DC Filtering); 1 inductor for each
and every IC in the audio circuit’s signal path – 40 stages
in all.
Full unsolicited RS-232 bidirectional feedback.
Gain offset for each line input with a ±10dB range.
Each line input is fully configurable to be “home theater
ready”, where the volume control of the 850P is
bypassed.
Four-layer PCB tracings; The advantages include better
ground and power supply circuit layouts resulting in a
much shorter signal path and dramatically improved
signal-to-noise ratio.
Ultra rigid chassis construction to minimize the effects
of external vibrations.
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6
850P Reference Dual-Mono Preamplifier
Unpacking
The MOON 850P preamplifier and power supply/controller should be removed from its crate with care.
The following accessories should be included inside the box with your preamplifier:
AC power cable
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9
‘FRM-3’ Full Function remote control with three ‘AAA’ batteries (USA and Canada only)
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Three (3) color-coded cables to connect the 850P preamplifier to it’s power supply/controller chassis
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‘SimLink’ cable with 1/8” mini plug terminations on each end
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This owner’s manual
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Warranty and product registration information (USA and Canada only)
Once the 850P is unpacked, inspect it thoroughly
and report any damage to your dealer immediately.
We suggest that you keep all of the original
packaging, storing it in a safe, dry place in case
Please write the serial number of your new MOON 850P in the space provided below for future reference.
Serial No.: ________________
you’re required to transport this product. The
customized packaging is specially designed to
protect the 850P from any potential damage during
transit.
Installation & Placement
The MOON 850P dual-mono preamplifier is very
heavy and should be placed on a solid, level surface.
You should avoid placing it near a heat source or
inside a closed cabinet that is not well ventilated as
this could compromise the preamplifier’s
performance and reliability.
If the surface you have chosen isn’t perfectly level,
each of the four (4) legs of both your 850P and it’s
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power supply / controller are height adjustable;
carefully using your fingers, you can either raise
each leg by turning the cone underneath clockwise,
or lower each leg by turning it counterclockwise.
We strongly recommend that you leave these cones
mounted to the component at all times for reasons
related to both performance and aesthetics.
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850P Reference Dual-Mono Preamplifier
Connecting the 850P Preamplifier & Controller
Figure 1: Connecting the MOON 850P Preamplifier (bottom) and 850P Controller (top)
There are three (3) connections that must be made
between the MOON 850P Preamplifier’s chassis
and its separate controller chassis as shown above
in Figure 1; First, using one of the two supplied 4pin XLR cables, connect the end with the male pin
socket to the plug labeled “DC Power Output Right
Channel” located on the rear panel of the controller.
Connect the other end of the cable, with the female
socket, to the plug labeled “DC Input R” located on
the rear panel of the preamplifier. Next, using the
other 4-pin XLR cable, repeat the same process
between “DC Power Output Left Channel” and the
“DC Input L” socket. Finally, using the supplied 8-pin
Ethercon cable (both ends are identically
terminated), connect one end to the plug labeled
“Communications Output 1” located on the rear
panel of the controller. Connect the other end of the
cable to the plug labeled “Comm” located on the
rear panel of the preamplifier. You will notice that
there are two sets of each output connector on the
controller, however only one of each is required to
operate this preamplifier; the other connectors are
for possible future use with other components. Do
not attempt to modify the lengths these cables –
they are specifically designed for optimal
performance.
Connect the supplied AC power cable to the IEC
receptacle, located on the rear panel of the
preamplifier’s controller chassis. Ensure that the AC
wall outlet you use has a functioning ground. For
the best sonic performance, it is preferable that you
plug your 850P preamplifier directly into a
dedicated AC outlet and avoid using an extension
cord.
The MOON 850P is equipped with our M-Octave
Damping system, whereby the main audio circuit
board is coupled to the chassis using an 8-point
floating suspension that is designed to eliminate
distortion caused by the “Microphonic effect” of
airborne vibrations. All audio connectors are directly
mounted to this main audio circuit board. As a
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