Operating the W-8

MOON W-8 Dual-Mono Power Amplifier

We recommend that you leave your MOON W-8Dual-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-8will 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-8in 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-8is in standby mode.

2)Next, momentarily press the push button labeled “Power” located on the front panel. Your W-8will 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-8is 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-8on or off, you should always power up your preamplifier prior to powering up your W-8.As well, always power down your W-8prior to powering down your preamplifier.

Troubleshooting

The blue LED located on the front panel also indicates the operational status of your MOON W-8Dual-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-8is 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-8power 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-8via the main power rocker switch, then physically removing all inputs to the W-8leaving only the speakers connected. Attempt to power up your W-8again: 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-8still 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

W-8 specifications

The Simaudio W-8 is a high-end power amplifier that exemplifies exceptional audio performance and craftsmanship, catering to audiophiles seeking uncompromised sound quality. As a part of Simaudio's Moon series, the W-8 is engineered to deliver power and precision, making it an ideal choice for serious music enthusiasts.

One of the hallmark features of the W-8 is its impressive power output. With an ability to deliver 250 watts per channel into an 8-ohm load, and 500 watts into 4 ohms, the W-8 provides ample headroom to drive even the most demanding speaker systems. This power is coupled with a very low distortion level, ensuring that the integrity of the audio signal is maintained regardless of volume levels.

The W-8 incorporates Simaudio’s proprietary technologies to enhance performance. One such technology is the use of fully balanced, differential circuitry, which significantly reduces noise and distortion, delivering a crystal-clear sound. Additionally, the W-8 employs a class A/AB amplification design that combines the efficiency of class AB operation with the finesse of class A. This hybrid approach allows for linear performance across the audio spectrum while preserving dynamic range.

Another notable characteristic of the Simaudio W-8 is its robust build quality. Housed in a sleek aluminum chassis, the amplifier features an elaborate thermal management system that ensures optimal performance during extended listening sessions. With a dual mono design and separate power supplies for each channel, the W-8 minimizes crosstalk and enhances stereo imaging.

In terms of connectivity, the amplifier provides extensive options, including XLR and RCA inputs, as well as speaker binding posts that accommodate a variety of cables. This versatility ensures that the W-8 can seamlessly integrate into various audio setups, allowing for greater flexibility and customization.

Moreover, Simaudio places a strong emphasis on user experience, which is evident in the W-8's intuitive layout and operational simplicity. Its understated aesthetic ensures it fits well into any audio system while also standing out as a statement piece.

In conclusion, the Simaudio W-8 is an amplifier that excels in performance, design, and technology. Its powerful output, advanced circuitry, and premium build quality make it a standout choice for audiophiles who desire an amplifier that can deliver a truly immersive listening experience. Whether for music production or refined listening, the W-8 stands as a testament to Simaudio's commitment to high-fidelity audio.