moon 350P Owner's Manual
Simaudio preamplifier
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Summary of Contents for moon 350P
- Page 1 Owner’s Manual MOON 350 P Preamplifier...
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Page 2: Important Safety Instructions
MOON 350 P 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 350 P 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.
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Page 4: Table Of Contents
MOON 350 P Preamplifier Table of Contents Congratulations ..........5 Unpacking ............5 Introduction ............ 6 Installation & Placement ........6 Front Panel Controls ......... 7 Optional Digital Inputs ........8 Optional Phono Section ........9 Rear Panel Connections ........11 Balanced Operation ..........12... -
Page 5: Congratulations
Before setting up your new MOON 350 P, we encourage you to please read this manual thoroughly to properly acquaint yourself with its features. We hope you enjoy listening to the MOON 350 P Preamplifier as much as the pride we have taken in creating this fine audio product. -
Page 6: Introduction
MOON 350 P Preamplifier Introduction Your MOON 350 P Preamplifier incorporates numerous 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 7 line-level inputs (4 Single-ended &... -
Page 7: Front Panel Controls
The front panel will look similar to Figure 1 (above). The large display window indicates the selected input source. In the event that your MOON 350 P includes the digital input option, additional information will appear in the display window. Refer to the section entitled “Optional Digital Inputs”... -
Page 8: Optional Digital Inputs
The “Phones” jack is used for connecting a pair of stereo headphones to the MOON 350 P. The input connector is a standard ¼” stereo TRS jack. When a pair of headphones are used with this preamplifier, the output signal will continue to be sent to the amplifier(s) connected to the 350 P. -
Page 9: Optional Phono Section
MOON 350 P Preamplifier Optional Phono Section The MOON 350 P Preamplifier features an optional phono section that may be installed only at an authorized dealer or at the Simaudio factory. Circuit Board Layout: Figure 3: MOON 350 P 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 350 P Preamplifier prior to changing any of the following input settings. -
Page 11: Rear Panel Connections
In the event that your MOON 350 P is equipped with the aforementioned the digital input option, you will find four (4) digital inputs labeled D1, D2, D3 and D4, located in the upper right section of the rear panel. The D1 input is on an optical Toslink connector;... -
Page 12: Balanced Operation
For example, when one conductor is carrying a signal of +5 Volts, the other will be carrying a signal of –5 Volts. When these two inverted signals on a balanced line are output from the MOON 350 P, 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 13: Simlink
Preamplifier’s chassis. Ensure that the AC wall outlet you use has a functioning ground. For the best sonic performance, it is preferable that you plug your MOON 350 P directly into a dedicated AC outlet and avoid using an extension cord. In order to obtain the maximum performance from your audio system, we strongly recommend that the detachable power cord not come into physical contact with any of the interconnect cables running to and from your 350 P. -
Page 14: Remote Control Operation
To engage the ‘CRM-2’ remote for use with the MOON 350 P Preamplifier, you must first press the button labeled AMP. -
Page 15: Specifications
MOON 350 P Preamplifier Specifications Configuration ............Fully balanced Power Supply Transformers ........1 x 10VA (for audio); 1 x 10VA (controller circuitry) Power Supply Capacitance ........26,400µF Balanced inputs (XLR) ........... 2 pairs Single-ended inputs (RCA) ........4 pairs Mini-jack input ............ - Page 16 Balanced Pin Assignment: Pin 1........ Ground Pin 2........ Positive Pin 3 ......Negative NOTE: In the event that you require the RS-232 codes for your MOON 350 P, please contact Simaudio Ltd. directly by either email (service@simaudio.com) or by toll-free telephone (877-980-2400). Fuse Replacement: For the 120V version use a 0.2A fast blow (5 x 20mm size).