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MOON SERIES
310LP Phono Preamplifier 		Updated: August 29, 2011    

 
 

 
 
The MOON 310LP represents a significant step forward in phono preamplifier design. Like its predecessor, the highly acclaimed MOON LP5.3, particular attention has again been given to noise levels and dynamic range. The result is one of the quietest phono preamplifiers ever, on par and even superior to many models at significantly higher price points. Sonically, it portrays all the Simaudio hallmarks: clean, powerful, fast and extended bass combined with an open midrange and airy extended high frequencies.
 
 
Breathtaking analog reproduction
combined with astounding flexibility

 
A major strength of the 310LP is its highly configurable nature. There are numerous end-user adjustments for resisitance loading, capacitance loading and gain level. Going one step further, you can even chose from two different equalization curves - either the RIAA curve with a flat frequency response or the IEC curve which, although identical to the RIAA curve beyond 20Hz, acts like a subsonic filter by removing inaudible infrasonic bass below 20Hz
 
Balanced outputs are a standard feature, allowing you to take full advantage of connectivity to a balanced preamplifier or integrated for a significant improvement in noise floor, dynamics and midrange transparency. Finally, the MOON 301LP is housed in a custom-made, rigid chassis with a 3/8” brushed and anodized front panel.
 
 
Add the MOON 320S outboard power supply to bring
the 310LP's performance to the next level
 
 

 
 
  Significant Design Features:
 
· Large isolated power supply on a separate circuit with 2 stages of voltage regulation
· adjustable impedance loading (10, 100, 470, 1K and 47kΩ)
· adjustable capacitance loading (0, 100 and 470pF)
· adjustable gain settings for moving magnet cartridges (40dB) and moving coil cartridges
  (54, 60 and 66dB)
· Selectable equalization curves for both the RIAA and the IEC standards
· Optional MOON 320S external power supply upgrade
· Single-ended RCA and Balanced XLR outputs
· 4-Layer PCB’s with pure copper tracings for a much shorter signal path; This results in
  greater sonic accuracy and a dramatically improved signal-to-noise ratio
· Power supply voltage regulation includes i²DCf (Independant Inductive DC Filtering); There is one
  inductor dedicated to each integrated circuit type component (DAC, Op-Amp, etc.) in the audio
  circuit’s signal path - 2 stages in all
· Extremely short signal path for a faster transient response
· Accurate matching of the finest high quality electronic components
· Designed to be powered up at all times for optimal performance.

 
 

 
  
   
To view a larger image of the 310LP phono preamplifier's internal circuitry, simply point-and-click your mouse over the image located to the left.
 

 
 
 
 
To view a larger image of the 310LP phono preamplifier's rear panel, simply point-and-click your mouse over the image located to the right.