moon P 5.3 Series Owner's Manual
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moon P 5.3 Series Owner's Manual

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Owner's Manual
MOON Series
P 5.3
Stereo Preamplifier

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Summary of Contents for moon P 5.3 MOON Series

  • Page 1 Owner’s Manual MOON Series P 5.3 Stereo Preamplifier...

  • Page 2: Important Safety Instructions

    MOON P 5.3 Stereo Preamplifier Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with a dry cloth. Do not block ventilation openings. Install in accordance with the manufacturer’s instructions.
  • Page 3 To prevent shock hazard, all three connections must ALWAYS be used. Connect the MOON P5.3 only to an AC source of the proper voltage; Both the shipping box and rear panel serial number label will indicate the correct voltage. Use of any other voltage will likely damage the unit and void the warranty AC extension cords are NOT recommended for use with this product.

  • Page 4: Table Of Contents

    MOON P5.3 Stereo Preamplifier Table of Contents Congratulations ..........5 Unpacking and Warnings ........5 Introduction ............ 6 Installation & Placement ........6 Front Panel Controls ......... 7 Optional Phono Section ........9 Rear Panel Connections ........11 Operating the P5.3 ..........12 Balanced Operation ........

  • Page 5: Congratulations

    Before setting up your new MOON P5.3, we encourage you to please read this manual thoroughly to properly acquaint yourself with its features. We hope you enjoy listening to the MOON P5.3 Stereo Preamplifier as much as the pride we have taken in creating this fine audio product.

  • Page 6: Introduction

    MOON P 5.3 Stereo Preamplifier Introduction Your MOON P5.3 Stereo Preamplifier incorporates many significant design features to achieve its “world class” level of performance. This is an abbreviated list of the more important features: An oversized power supply using 2 toroidal transformers in conjunction with 3 stages of DC voltage regulation and...

  • Page 7: Front Panel Controls

    The blue pilot LED will not be illuminated when the P5.3 is in “Stand by” mode. The “Input +” and “Input -” buttons allow you to choose which input source you wish to listen to. The MOON P5.3 Stereo Preamplifier has five (5) inputs;...
  • Page 8 MOON P 5.3 Stereo Preamplifier Front Panel Controls (continued) Pressing the “Mute” button reduces the current volume to “0”. Pressing the “Mute” button a second time will reinstate the volume back to its previous level. The rotary “volume” control determines the gain setting, which ranges from ‘0.0dB’ (no output) to ’50.0dB’ (full output). This...

  • Page 9: Optional Phono Section

    MOON P5.3 Stereo Preamplifier Optional Phono Section The MOON P5.3 Stereo Preamplifier features an optional phono section that may be installed only at an authorized dealer or at the Simaudio factory. Circuit Board Layout: Figure 2: MOON P5.3 Optional Phono Section Circuit Board Layout...

  • Page 10: Internal Settings

    2 banks of jumpers – one each for the left and right channels. This is the result of the phono section’s genuine mirror-image circuit design which yields exceptional stereo separation. Always disconnect all audio connections and the AC power cord of your MOON P5.3 Preamplifier prior to changing any of the following input settings.

  • Page 11: Rear Panel Connections

    ‘white’ for the left channel and ‘red’ for the right channel. In the event that your MOON P5.3 is equipped with the previously described phono section module, the input labelled A2 must be used to connect your turntable interconnect leads to this preamplifier.

  • Page 12: Operating The P5.3

    Operating the P5.3 We recommend that you leave your MOON P5.3 Stereo Preamplifier powered up at all times to maintain optimal performance. In the event that you plan to be away from your home for a few days, powering off the Stereo Preamplifier may not be a bad idea.

  • Page 13: Balanced Operation

    For example, when one conductor is carrying a signal of +10 Volts, the other will be carrying a signal of –10 Volts. When these two inverted signals on a balanced line are output from the MOON P5.3, any noise picked up by the interconnect will be eliminated since a differential circuit amplifies only the difference between these two signals: Noise on a balanced interconnect will be equal on both conductors and therefore not be processed.

  • Page 14: Specifications

    MOON P 5.3 Stereo Preamplifier Specifications Configuration ............Stereo Power Supply Transformers ........1 x 10VA (for audio); 1 x 10VA (controller circuitry) Power Supply Capacitance ........26,400µF Circuit Topology ............Open Loop Balanced inputs (XLR) ........... 1 pairs Single-ended inputs (RCA) ........4 pairs Input Impedance ...........

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