Power Amplifier

W-7MPower Amplifier

The MOON W-7M Power Amplifier was a Mono fully balanced differential design, that represented the next generation of MOON high-performance audio components back in 2006.

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Launched in 2006, Discontinued in 2013

 Producing 500 watts of uncolored high-current output power into 8 ohms and 1000 watts into 4 ohms, the W-7M could drive virtually any loudspeaker to its maximum capabilities with incredible ease. This achievement was due, in part, to our new proprietary "Lynx" amplification circuit. Further raising the bar, the MOON W-7M could be fully integrated into a custom-install environment via an RS-232 port and 12V trigger. As well, a plethora of user selectable cosmetic options were available at the time of purchase.

Technical aspects


Lynx circuitry which is a "no overall feedback" design resulting in genuine real-time amplification, a more accurate musical reproduction with respect to tonality, virtually non-existent IMD and the elimination of common phase errors resulting from feedback
Custom proprietary toroidal transformer design with lower magnetic, electrical and thermal loss,  yielding an improved power transfer and lower regulation factor. The result is increased current speed and better dynamics
A massive oversized power supply
Precision matched and fully decoupled proprietary MOON Bipolar output transistors with unprecedented gain linearity resulting in improved bass response and even more accurate sonic reproduction
A high damping factor for superior musical dynamics, improved signal speed and refined timbre accuracy
A very short capacitor-free signal path for a faster transient response
Stable to any known speaker impedance
"Class A" output to 10 watts for greater efficiency
RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates
12 Volt trigger input/output for remote operation
4-Layer printed circuit boards with pure copper tracings for a much shorter signal path; This results in greater sonic accuracy and a dramatically improved signal-to-noise ratio
Designed to be powered up at all times for optimal performance
Low operating temperature for a longer than normal life expectancy
Ultra rigid chassis construction to minimize the effects of external vibrations
Accurate matching of the very finest quality electronic components in a symmetrical circuit design.

Magazine reviews


MAGAZINE REVIEWER DATE / ISSUE
 AudioArt  (Taiwan)  Staff  2009   #253   RS version
 audiOphile  (Thailand)  Staff  December 2010   RS version
 CEC  (Spain)  Luis Llana  March 2009  #65
 Hi-Fi & Hi-Vi Monthly  (Taiwan)  Staff  October 2009   #353   RS version
 Hi-Fi & Hi-Vi Monthly  (Taiwan)  Staff  September 2009   #352  RS version
 HiFi Review  (Hong Kong)  Thomas Wang  March 2007   #249
 PRIME A/V  (Taiwan)  Staff  January 2011   #189   RS Version
 TONEAudio  (www)  Jeff Dorgay  December 2009  #26
 yam - hifihivi  (www)  (Taiwan)  Pui Ching