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MOON P-5 Dual-Mono Differential Preamplifier Updated: Dec. 5, 2006    

 

Also available with black faceplate
 
 

 
The MOON P-5 Preamplifier represents a full out assault on state-of-the-art design. Featuring a separate power supply, dual-mono fully balanced differential class A" circuit topology, an exceptionally short capacitor-free signal path using a discrete "shunt to ground" gain stage and full function remote capability, the P-5 produces no detectable sonic colorations.
 
 


 
 
  Significant Design Features:
 
· An oversized outboard power supply housed in a separate matching chassis
· 8 stages of DC voltage regulation
· An exceptionally short signal path measuring only 9 inches in length from the rear panel's input to
  output connectors, yielding a much faster transient response
· Fully balanced circuitry throught the entire preamplifier
· Open loop zero feedback circuit topology using absolutely no capacitors anywhere in the audio
  signal path
· Proprietary designed fully discrete "shunt to ground" gain stage employing a precision relay
  network which uses only one metal film resistor at any given time (rather than a series of
  resistors), for the audio signal to pass through, resulting in a gain control that doesn't
  degrade sonic performance regardless of the selected setting
· J-FET input devices and MOSFET output devices
· 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
· One single-ended audio input which bypasses the gain stage to accomodate a component, such as
  a home-theatre processor, whose own volume control is used instead
· Accurate matching of the very finest high quality electronic components
· A symmetrical circuit design
· Pure copper circuit board tracings with extremely low impedance characteristics
· Extremely rigid chassis construction to minimize the effects of external vibrations
· Improved reliabilty through the elimination of moving parts
· Designed to be powered up at all times for optimal performance
· Low operating temperature for a longer than normal life expectancy.

 
 


 
 
 
 
MOON P-5 audio section
inside view
 
 
MOON P-5 and PS-5
rear view
 
 
MOON PS-5 power supply
inside view