Simaudio P-7 사용자 설명서

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MOON P-7 Dual-Mono Preamplifier
 
 
Introduction 
 
Your  MOON P-7 dual-mono preamplifier incorporates many significant design features to achieve its “world-class” level of 
performance.  This is an abbreviated list of the more important features: 
 
Full unsolicited RS-232 bidirectional feedback  
 
An  oversized dual-mono power supply using 3 toroidal transformers in conjunction with 5 stages of DC voltage 
regulation and extensive choke filtering 
 
SimLink controller port allows for 2-way communications between other compatible MOON Evolution Series components  
 
M-eVOL volume control circuit based on a resistive array configuration, resulting in no sonic degradation of the audio signal 
regardless of the selected volume setting  
 
M-Lock circuit for “user selectable” maximum volume setting lock-out for each line input  
 
Power supply voltage regulation includes i
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DCf (Independent Inductive DC Filtering); 1 inductor for each and every IC in 
the audio circuit’s signal path – 24 stages in all  
 
Gain offset for each individual line input with a ±10dB range  
 
Each line input is fully configurable to be “home theater ready”, where the volume control of the P-7 is bypassed  
 
130 individual volume steps in 1dB and 0.5dB increments  
 
Four-layer PCB tracings; The advantages include better ground and power supply circuit layouts resulting in a much 
shorter signal path and dramatically improved signal-to-noise ratio  
 
Extremely rigid chassis construction to minimize the effects of external vibrations  
 
Accurate matching of the very finest quality electronic components in a symmetrical circuit design  
 
Improved reliabilty through the elimination of moving parts.  
 
 
Installation & Placement 
 
The  MOON P-7 dual-mono preamplifier is very heavy. It requires reasonable ventilation to maintain an optimum and 
consistent operating temperature.  Consequently, it should be placed in a location with empty space around it for proper heat 
dissipation. As well, it should be placed on a solid, level surface. You should avoid placing it near a heat source or inside a 
closed cabinet that is not well ventilated as this could compromise the preamplifier’s performance and reliability.  
 
Once you’ve decided on a location for the P-7 Preamplifier, you should install the eight (4) pointed screw-on cones into the 
threaded holes located on the bottom of the four (4) the corner posts of both the Preamplifier chassis. These cones will easily 
scratch most surfaces, therefore it’s advisable to follow these instructions:  Place your P-7 on a soft surface (i.e. carpet) and 
carefully turn it so that it rests on its side. Screw one cone onto each of the four posts.  Carefully move the chassis to it’s pre-
determined location.  
 
In the event that the surface you have chosen isn’t perfectly level, each of the four (4) legs of both your P-7  are height 
adjustable; carefully using your fingers, you can either raise each leg by turning the cone underneath clockwise, or lower each 
leg by turning it counterclockwise.  
 
 
 
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Introduction  /  Installation Tips  
 
 
 
 
 
 
     
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