MOON 761 Power Amplifier Instructions

MOON 761
power amplifier

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.
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.

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.

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.

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

See Troubleshooting section for more information.
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.

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 ini-jack (TS) connection for synchronizing Standby behaviours across multiple devices
• Use 12V TRIGGER IN to 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.

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.
  o Name identifies a device within the Group.
  o Group ID assigns a Group number to a Device. Assigning the same ID to
  other devices joins them together as a Group.
  o Status lists information about the device.
  o Firmware 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.

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.

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 [email protected].

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 [email protected]

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 [email protected].

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…

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 [email protected].
   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.

Specifications

Technical

simaudio.com 

References

• High End Audiophile Amplifiers And Sound Systems | MOON - Simaudio
• Guides & Downloads | MOON - Simaudio
• Guides & Downloads | MOON - Simaudio

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