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MOON LIMITED EDITION SERIES
Updated: August 2, 2005
W-5 LE Dual-mono Power Amplifier
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Simaudio Ltd. brings you the MOON Limited Edition series, representing a genuine leap
forward in both sonic excellence and physical appearance. The MOON W-5 LE balanced
differential Dual-mono Power Amplifier produces 200 watts/channel into 8 ohms and 400 watts/channel
into 4 ohms. As well, it can be easily configured for mono operation.
Originally introduced in 1997, the MOON W-5 has garnered many colossal reviews and numerous
awards from the global audio press including a long-standing place in the prestigious "class A"
category of Stereophile Magazine's "Recommended Components" listing. During's it's illustrious
life-cycle, the MOON W-5 has undergone various minor changes on occasion, either as a result
of the availability of new and improved parts and/or subtle design changes, culminating in the
Limited Edition version.
Unique to the LE version of the MOON W-5 are enhanced gain and output sections. The power
output has been increased to 200W/ch. This, along with exotic parts in critical areas allows for an
even higher level of musical speed and transparency. The awesome dynamic range and effortless immunity
to any known load is better than ever in the W-5 LE.
MOON Limited Edition series features include polished chrome accents, a ½"
thick brushed & anodized silver faceplate, a custom 2 meter Cardas power cord and a Limited
Edition serial number plaque. Beginning in January 2004, we will be producing only 250 units
of the MOON W-5 LE.
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Significant Design Features
A "no overall feedback" design resulting in real-time amplification, a more
accurate musical reproduction with respect to tonality, virtually non-existent intermodulation distortion
and the elimination of common phase errors resulting from feedback ·
An oversized power supply ·
A custom proprietary toroidal transformer design with lower magnetic, electrical and thermal loss,
yielding an improved power transfer and lower regulation factor, resulting in increased current
speed and better dynamics ·
Fully balanced circuitry up to the output stage ·
Stable to any known speaker impedance ·
"Class" A output to 5 watts for greater efficiency ·
Precision matched Bipolar output devices which offer superb linearity throughout the entire audio
frequency spectrum ·
A high damping factor which yields superior musical dynamics, improved signal speed and refined
timbre accuracy ·
Extremely rigid chassis construction to minimize the effects of external vibrations ·
Accurate matching of the very finest high quality electronic components ·
A very short signal path for a faster transient response ·
A symmetrical circuit design ·
Pure copper circuit board tracings with extremely low impedance characteristics ·
Designed to be powered up at all times for optimal performance ·
Low operating temperature for a longer than normal life expectancy.
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| Type |
Solid State |
| Configuration |
Dual Mono |
| Power Supply Transformers |
2 x 1kVA |
| Power Supply Capacitance |
216,000µF |
| Class Of Operation |
A/AB |
| Single-ended Inputs |
RCA - 2 pairs (normal & phase inverted) |
| Balanced Inputs |
XLR - 1 pair |
| Input Device Type |
J-FETs |
| Input Impedance |
47,500 ohms |
| Input Sensitivity |
1050mV |
| Output Device Type |
Bipolars - 10 per channel |
| Output Binding Posts |
WBT |
| Output Power @ 8 ohms |
200 Watts |
| Output Power @ 4 ohms |
400 Watts |
| Output Power @ 2 ohms |
800 Watts |
| Output Power - Bridged Mono |
800 Watts |
| Frequency Response |
5Hz - 200kHz +0/-3dB |
| Output Impedance |
0.01 ohms |
| Damping Factor (static) |
800 |
| Gain |
33dB |
| Dynamic Headroom |
6dB |
| Signal-to-noise Ratio |
100dB @ full power |
| Maximum Output Voltage |
40 Volts |
| Slew Rate |
40V/µs |
| Maximum Current - Peak |
55 amperes |
| Maximum Current - Continuous |
20 amperes |
| Crosstalk @ 1kHz |
-100dB |
| IMD |
Unmeasureable |
| THD (20Hz - 20kHz @ 1 watt) |
< 0.02 % |
| THD (20Hz - 20kHz @ 200 watts) |
< 0.05 % |
12 Volt Trigger Operation
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Direct Logic (0V = off, 12V=on)
using a 3.5mm mono microphone jack
with an input impedance of 300 ohms |
| Available Faceplate Finish |
Silver |
| Power Consumption @ idle |
48 Watts |
| AC Power Requirements |
120V / 60Hz 240V / 50Hz |
| Fuse Replacement - 120V |
6A long fast blow |
| Fuse Replacement - 230V |
3A long fast blow |
| Warranty (USA & Canada) |
10 years |
| Shipping weight |
72 lbs / 32 Kgs |
| Dimensions (W xH x D) |
19 x 7.5 x 19 in. (49 x 19 x 49 cm.) |
Specifications are subject to change without notice.
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