OzHifi - Moon 330A Power Amplifier

MO-330A

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$4,000.00

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The MOON 330A is a differential stereo power amplifier that effortlessly produces 125 watts/channel into 8Ω and 250 Watts/channel into 4Ω. 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 will come to mind. This is the 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 performs in an exceedingly musical and accurate way.

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

Significant Design Features:

· 12 Volt Trigger input and output
· 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
· Balanced differential circuitry
· Class A output to 5 watts for greater efficiency
· Proprietary MOON Bipolar output transistors with unprecedented gain linearity resulting in
improved bass response and even more accurate sonic reproduction
· A high damping factor yielding superior musical dynamics, improved signal speed and refined
timbre accuracy
· RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates
· PCB w/ pure copper tracings & gold plating that yields low impedance characteristics
· Extremely rigid chassis construction to minimize the effects of external vibrations
· Accurate matching of the very finest high quality electronic components in a symmetrical
circuit design
· Designed to be powered up at all times for optimal performance
· Low operating temperature to ensure a longer than normal life expectancy.

MOON 330A Power Amplifier Specifications

Type: Solid State
Configuration: Stereo
Power Supply Transformer: 400VA
Power Supply Capacitance: 85,000µF
Class of operation: A/AB
Single Ended Input: RCA - 1 Pair
Balanced Input: XLR - 1 Pair
Input Device Type: J-FETs
Input Sensitivity: 800mV RMS
Input Impedance: 47,500 Ω
Output Device Type: Bipolars - 4 Per Channel
Output Binding Posts: 5-way / Gold-plated / Shielded
Output Power @ 8 Ω: 125 Watts
Output Power @ 4 Ω: 250 Watts
Output Power @ 2 Ω: 325 Watts
Output Power - Bridged Mono: 400 Watts
Frequency Response: 10Hz - 125kHz (+0/-3dB)
Output Impedance: 0.02 Ω
Damping Factor (Static): 400
Gain: 31dB
Signal-to-noise Ratio: > 100dB @ full power
Maximum Output Voltage: 40 Volts
Slew Rate: 42V/µs
Maximum Current - Peak / Continous: 28 amperes / 13 amperes
IMD: Unmeasureable
THD @ 1 watt / @ 125 watts (20Hz-20kHz): < 0.02 % / < 0.05 %

12 Volt Trigger Output Operation: Direct Logic (0V = off, 12V=on) using a 1/8" mini-jack with an input impedance of 1K Ω and current requirement of 12mA

Available Faceplate Finishes: Black
Power Consumption @ idle: 36 Watts
AC Power Requirements: 240V / 50Hz
Fuse Replacement - 230V: 3A long fast blow
Shipping weight: 15 kgs
Dimensions (W x H x D): 429 x 89 x 356mm

	Moon 330A Customer Literature 919.9 KB
	Moon 330A Manual 163.8 KB