moon 761 User manual

MOON 761
power amplifier

Contents
Contents.....................................................................................................................................................................................................................................2
Important Safety Instructions...........................................................................................................................................................................3
Explore new frontiers...................................................................................................................................................................................................5
Before getting started................................................................................................................................................................................................6
Install your MOON 761...................................................................................................................................................................................................7
Get to know your MOON 761.................................................................................................................................................................................8
Front Panel...........................................................................................................................................................................................................................................................8
Rear Panel.............................................................................................................................................................................................................................................................9
Audio...................................................................................................................................................................................................................................9
Functional ...................................................................................................................................................................................................................10
Personalize your MOON 761...................................................................................................................................................................................11
MOONLink...............................................................................................................................................................................................................................................................11
Menu....................................................................................................................................................................................................................................11
Troubleshooting..............................................................................................................................................................................................................12
Status Indicator.............................................................................................................................................................................................................................................12
firmware update error..............................................................................................................................................................................................................12
temperature protection..........................................................................................................................................................................................................12
voltage protection.........................................................................................................................................................................................................................12
DC protection.......................................................................................................................................................................................................................................12
Specifications.....................................................................................................................................................................................................................14
Technical..............................................................................................................................................................................................................................................................14

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3 | MOON 761
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 heat sources such as radiators, heat
registers, stoves or another apparatus that generate 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 to replace the
obsolete outlet.
10. Protect the power cord from being walked on or pinched,
particularly at plugs, convenience receptables, 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. The apparatus is heavy and requires two people to lift it.
Exercise caution when maneuvering.
13. 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.
14. Unplug this apparatus during lightning storms or when
unused for long periods of time.
15. 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 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.
16. No naked flame sources, such as candles, should be placed
on the apparatus.
Chemical Burn Hazard
The remote control supplied with this product contains a battery. Do not ingest the battery. Swallowing the battery could cause severe
internal burns within two hours leading to death. In the case of accidental ingestion of lodged bodily insertion, seek medical attention
immediately. Keep new and used batteries away from children. If the battery compartment does not close securely, stop using the
remote control and keep it away from children.
WARNING:
TO REDUCE THE RIST OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO
NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED PERSONNEL.

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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 right) indicates compliance of this device with the EMC (Electromagnetic
Compatibility) and LVD (Low Voltage Directive) standards of the European Community.
Waste from Electrical and Electronic Equipment (WEEE): This equipment must be sent to a separate collection facility for
the recovery and recycling of electrical and electronic waste wherever dedicated facilities exist. WEEE regulations aim to
contribute to sustainable production and consumption, addressing environmental and other issues caused by the
growing number of discarded electronics. The symbol for the separate collection of electrical and electronic equipment
indicates that this product should not be discarded as unsorted waste.
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, use the rocker switch on the
rear panel or disconnect the power supply cable from the AC
receptacle.
2. The unit must be terminated with a three-conductor AC
mains power cord, which includes an earth ground
connection. To prevent shock hazard, all three connections
must ALWAYS be used. Connect the unit 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. ALWAYS connect the unit only to an AC source of the
appropriate voltage. Both the shipping box and rear panel
serial number label indicate the correct voltage. Incorrect
voltage could damage the unit and void the warranty.
4. AC extensions cords are NOT recommended for use with this
product. The mains plug of the power supply cord shall
remain readily accessible.
5. NEVER use flammable or combustible chemicals for cleaning
audio components.
6. NEVER operate the unit 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.
7. NEVER wet the inside of the unit with any liquid. If a liquid
substance does enter your unit, immediately disconnect it
from the AC mains and take it to your MOON Partner for a
complete check-up.
8. NEVER spill or pour liquids directly onto the unit.
9. NEVER block air flow through ventilation slots or heatsinks.
10. NEVER bypass any fuse.
11. NEVER replace a fuse with a value or type other than those
specified.
12. NEVER attempt to repair the unit. If a problem occurs, contact
a MOON Partner.
13. NEVER expose the unit to extremely high or low temperatures.
14. NEVER operate the unit in an explosive atmosphere.
15. ALWAYS keep electrical equipment out of reach of children.
16. ALWAYS unplug sensitive electronic equipment during
lightning storms.
17. WARNING: Do not expose batteries or battery pack to
excessive heat such as sunshine, or fire or the like.

Explore new frontiers
The landmark North Collection represents a culmination of years of research and development in the
fields of audio, electronics, materials, and manufacturing processes. Its exciting new look is surpassed
only by improvements in its performance made possible by the passionate team of Simaudio
engineers and technicians dedicated to delivering an uncompromised music listening experience.
With the purchase of this MOON product, you join an elite group of music lovers around the world who
expect the absolute best performance and build quality from products in any class.
Get ready for the performance of a lifetime.

6 | MOON 761
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Before getting started
Carefully remove the unit from its packaging. Visually inspect it and in the case of damage, report it to
a MOON Retail Partner immediately.
The packaging materials were designed to protect this product while in transit. Store these materials in
a dry location for the duration of the warranty period.
The information contained in this Manual is subject to change without notice. The most recent version
is available at simaudio.com/guides-downloads.
The MOON 761 includes:
•Quick Start Guide
•Power Cable
•Ethernet Cable
•Warranty Registration Card (Canada & USA only)
Note the serial number of your MOON 761 for future reference.

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7 | MOON 761
Install your MOON 761
Consider the location and environment of the device carefully. Set it upon an open, stable, and flat
surface. The device requires sufficient space above and around it to adequately disperse the heat it
generates. Maintain a minimum gap of 2” around the sides and 4” above of the unit to enable airflow.
When stacking multiple units, install MOON Bridges (sold separately) between them.
The performance of this device will continue to improve during the first 100 hours of listening.

8 | MOON 761
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Get to know your MOON 761
Front Panel
Standby
toggles the device between active and inactive modes when the device is powered on
Status Indicator
indicates the status of the device with colour-coded notifications
white
solid
normal operation
white
pulsating
powering up
violet
pulsating
firmware update
See Troubleshooting section for more information.

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9 | MOON 761
Rear Panel
Audio
RIGHT/LEFT CHANNEL
SPEAKER OUTPUT
+/–
binding posts for connecting loudspeakers
Insert banana pins through the holes in the extremities of the barrels or unscrew the barrels to
expose a gap underneath for spades and bare wire contacts.
BALANCED INPUT
differential (XLR) connection for a balanced preamplifier
UNBALANCED INPUT
single-ended (RCA) connection for a preamplifier without balanced outputs
BAL./UNBAL.
switch for activating either the balanced or the unbalanced inputs
AC/DC COUPLING
switch to enable the input to block DC signals
AC coupling is useful with preamps suspected of outputting DC (due to age or design) or if the
amplifier frequently enters DC protection mode.
MODE
STEREO/MONO
switch for bridging the two channels together as a monoblock
•For stereo operation, connect the positive (+) SPEAKER OUTPUT to the positive loudspeaker
terminals and the negative (–) SPEAKER OUTPUTS to the negative loudspeaker terminals.
•For mono operation, use the LEFT CHANNEL INPUT.
Connect the positive (+) binding post on the LEFT CHANNEL to the positive loudspeaker
terminal.
Connect the positive (+) terminal on the RIGHT CHANNEL to the negative loudspeaker
terminal.

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Functional
FUSE
magazine containing a power supply fuse
Please appreciate that while some users may report improvements in the performance
of their audio equipment when original parts are replaced with after market parts, MOON
cannot guarantee the proper functioning of its products under such conditions. Our
engineers have ensured that the original fuse should protect your device from catching
fire due to electrical calamities. All security, quality, and performance testing, as well as
standards certification, is performed with specific components, and any modification
from the original design may void its warranty.
POWER
switch for toggling the device on [I] and off [O]
With the power switch on, the unit may be toggled in and out of Standby using the
button on the front panel or by MOONLink. The unit may require up to a minute to
connect to the network. For best performance, the device should remain powered up
and may be toggled into Standby when not in use. It should be powered down during
extended absences by disconnecting the power cable.
Always power on the preamplifier before the power amplifier.
Always power off the power amplifier before the preamplifier.
AC INPUT
for connecting the power cable
NETWORK
network (RJ-45) connections for Ethernet cables
•for MOONLink functionality with compatible MOON products
•for extending the network to an additional device (eg, another 761, a NAS device, or a TV)
•for connecting the device to a network router
12V TRIGGER
mini-jack (TS) connection for synchronizing Standby behaviours across multiple devices
•Use 12V TRIGGER INto connect a preamplifier.
•Use 12V TRIGGER OUT to daisy-chain this unit to the 12V TRIGGER IN on an additional power
amplifier (eg, when using two units as monoblocks).
STDBY MODE
switch for powering down some of the electronics while in Standby
•Select REG (recommended) to reduce the amount of time necessary to reach optimal playing
conditions.
•
Select
LOW
to reduce energy consumption when not in use.

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11 | MOON 761
Personalize your MOON 761
MOONLink
MOONLink technology makes MOON products more intelligent.
A single button press can trigger automated behaviours and simultaneously operate multiple devices
over a network in a symbiotic MOONLink Group. MOONLink simultaneously toggles Standby and can
adjust display brightness for all devices in the Group, while enabling volume control and automatic
input selection of specific devices in the Group.
Use the Setup menu on any complementary model from the North Collection to add this unit to a
MOONLink Group.
Menu
•MOONLink Group permits the customization of a Group.
oName identifies a device within the Group.
oGroup ID assigns a Group number to a Device. Assigning the same ID to
other devices joins them together as a Group.
oStatus lists information about the device.
oFirmware verifies the firmware of the device and updates it when
necessary.
•
Available Devices lists devices on the network that could be added to a Group.
Holding the Standby button on the front panel for two seconds automatically toggles all the devices in
the MOONLink Group into Standby.

12 | MOON 761
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Troubleshooting
Status Indicator
If typical operation is disrupted, the status indicator may blink to signal a problem. A preamplifier in the
MOONLink group will simultaneously display the corresponding message on its OLED display.
violet
blinking
firmware update error
red
blinking
temperature protection
orange
blinking
voltage protection
orange /green
blown fuse
yellow
blinking
DC protection
firmware update error
Normally, the device recovers automatically from a firmware update error. If the problem persists…
1. Verify that the device is connected to the network and that the network is accessing the Internet.
2. Wait 30 minutes.
3. If the device continues to indicate a firmware update error, contact [e-mail].
temperature protection
If a device overheats, it could return to normal operation after a period of cooling down.
1. Power down the device using the rear rocker switch.
2. Wait 10 minutes.
3. Consider the location and environment of the device carefully. Make adjustments to decrease
the temperature and increase airflow around the device.
4. Power up the device and resume normal operation.
5. If the device continues to indicate temperature protection, contact [e-mail].
voltage protection
If a device has a voltage issue, it will most likely require service.
1. Power down the device using the rear rocker switch.
2. Wait 60 seconds.
3. Power up the device and resume normal operation.
4. If the device continues to indicate voltage protection, contact [e-mail].
DC protection
The device will shut down if it detects DC at its input, internally, or at its output. To determine the source
of the issue…

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13 | MOON 761
1. Power down the device using the rear rocker switch.
2. Disconnect all cables from the device.
3. Wait 60 seconds.
4. Reconnect only the power cable.
5. Power up the device.
a. If the device continues to indicate DC protection, contact [e-mail].
b. If not…
6. Reconnect one loudspeaker.
a. If the device indicates DC protection, there is an issue with that loudspeaker or its cable.
b. If not, connect the other loudspeaker.
c. If the device indicates DC protection, there is an issue with that loudspeaker or its cable.
d. If not…
7. Reconnect one source device.
a. If the device indicates DC protection, there is an issue with that device or its cable.
b. If not, continue this process of elimination.

14 | MOON 761
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Specifications
Technical
Output Power (Stereo 8
Ω
)
200 W
Output Power (Stereo 4
Ω
)
400 W
Output Power (Mono 8
Ω
)
600 W
Input Sensitivity
1.1 V
Input Impedance
47 k
Ω
Gain
31 dB
Frequency Response
2 Hz – 100 kHz (+0 dB / –3 dB)
Crosstalk
–116 dB
Total Harmonic Distortion @ 1 W
0.002%
Total Harmonic Distortion @ 200 W
0.001%
Intermodulation Distortion
0.002%
Signal-to-Noise Ratio
117 dB
Damping Factor
800
Power Consumption (Idle)
55 W
Power Consumption (Full Power Standby)
50 W
Power Consumption (Low Power Standby)
1.25 W
Shipping Weight
36kg / 79 lbs
Dimensions (L x H x D)
48.1 cm x 14.0 cm x 44.5 cm / 18.95” x 5.53” x 17.53”
Fuse (120 V / 240 V)
F 10 AH 250 V 3AG / F 6AH 250V 3AG