Power Amplifier

330APower Amplifier

A musically engaging experience Replaced by the Néo 330A in May 2013

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Launched in 2010, Discontinued in 2013

The MOON 330A was a differential stereo power amplifier that effortlessly produces 125 watts/channel into 8 ohms and 250 Watts/channel into 4 ohms. Think of tight, deep, authoritative bass with lightning fast speed, an incredibly low noise floor, excellent dynamic range, a transparent lifelike soundstage and the 330A came to mind. This was the result of a variety of proven technologies: Our highly acclaimed Advanced Renaissance amplifier circuit with zero global feedback, DC-coupled circuitry and our own proprietary bipolar output transistors. In the end, the class A/AB MOON 330A performed in an exceedingly musical and accurate way.

Our own unique heat-sink geometry allowed for ultra-effective and efficient cooling. The amplifier's oversized power supply contained a large proprietary toroidal transformer and substantial energy storage. Finally, with both balanced (XLR) and single-ended (RCA) inputs, the MOON 330A represented the ultimate choice for performance, reliability and affordability.

User manual

Technical aspects


A "no overall feedback" design resulting in genuine 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
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
Precision matched 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
Balanced differential circuitry
"Class A" output to 5 watts for greater efficiency
12 Volt trigger input/output for remote operations
RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates
Rigid chassis construction to minimize the effects of external vibrations
Optimized selection of very high quality electronic components
Low operating temperature for an ultra-long life expectancy

Magazine reviews


MAGAZINE  REVIEWER DATE / ISSUE
 AUDIO   (Germany)  Fritz I. Schwertfeger  April 2012
 AudioArt  (Taiwan)   Staff  June 2011  #273
 Hi-Fi & Hi-Vi Monthly  (Taiwan)   Staff  July 2011  #370
 Hi-Fi News (United Kingdom)   John Bamford  August 2013
 Québec Audio/Video   (Canada)   Michel Dallaire  April/May 2011
 What Hi*Fi?   (Russia)   Staff  May 2012
 yam - hifihivi  (www)  (Taiwan)  Pu Hongqing  May 2013