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MOON W-8 Dual-Mono Power Amplifier
Operating the W-8
We recommend that you leave your MOON W-8 Dual-Mono power amplifier powered up at all times to maintain optimal
performance. In the event that you plan to be away from your home for a few days, powering off the amplifier may not be a
bad idea. Once fully “broken-in”, please keep in mind that your W-8 will require several hours of playing time before it
reaches its peak performance after you’ve powered it up again.
Turning on your MOON W-8 for the first time
Prior to turning the amplifier on for the first time, make sure that every cable is properly connected to avoid any problems.
Then turn on your preamplifier connected to the W-8. Finally, power up your W-8 in the following manner:
1) On the rear panel, flick the main rocker switch labeled “MAIN POWER” to the ‘1’ (on) position. The blue LED on
the front panel will blink for up to 10 seconds while it achieves standby mode. When it stops blinking and is not
illuminated, your W-8 is in standby mode.
2) Next, momentarily press the push button labeled “Power” located on the front panel. Your W-8 will make a
very faint click sound, confirming that everything is in order. The blue LED on the front panel will illuminate,
indicating that the W-8 is now powered up and ready for use.
On and Off Sequence
To avoid having any annoying noises (ie. “thumps” and “pops”) emanate from your speakers when powering your W-8 on or
off, you should always power up your preamplifier prior to powering up your W-8. As well, always power down your W-8
prior to powering down your preamplifier.
Troubleshooting
The blue LED located on the front panel also indicates the operational status of your MOON W-8
Dual-Mono power amplifier.
In the event that it starts blinking on and off during use, the circuitry is either over-heating or has detected the presence of
DC in the input signal:
Left Channel DC protection .................. LED blinks 2 times
Right Channel DC protection ................ LED blinks 3 times
Left Channel Over-heating..................... LED blinks 4 times
Right Channel Over-heating ................. LED blinks 5 times
Unknown Problem ............................... LED blinks 6 times
Your MOON W-8
is a “smart” power amplifier equipped with a self-diagnostic system that will automatically shut itself down
when it detects DC (direct current) from any input. If your W-8 power amplifier turns itself off or will not power up, there
may very well be DC present in one (or more) of the amplifier’s inputs coming from one (or more) of your
preamplifier/processor’s outputs or connected source components. You must determine if there is any DC present. The best
way to accomplish this is by first powering down the W-8 via the main power rocker switch, then physically removing all
inputs to the W-8 leaving only the speakers connected. Attempt to power up your W-8 again: A successful power up will
indicate the presence of DC coming from your preamplifier or one of your signal sources (ie. CD Player).
If your W-8 still doesn’t power up, turn off the main power switch and check the AC fuse. If the fuse appears OK, put it back
in its socket and then try to power up again the usual way. If the fuse is blown, replace it with a fuse of the same rating, and
repeat the above process. At this point, you should be able to power up your W-8. If not, immediately consult your dealer
for assistance.
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Operating The W-8 10