MOON CLASSIC SERIES
P-5 Dual-Mono Differential Preamplifier
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The 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.
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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 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.
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Specifications:
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| Type |
Solid State |
| Configuration |
Dual Mono |
| Power Supply Transformer |
180VA |
| Power Supply Capacitance |
70,000µF |
| Class Of Operation |
Single-ended Class A |
| Design |
Open Loop / Fully Balanced Differential |
| Single-ended inputs   (RCA) |
5 pairs |
| Balanced Inputs   (XLR) |
1 pair |
| Input Device Types |
J-FET |
| Input Impedance |
47,500 ohms |
| Input Sensitivity |
200mV - 4.0V RMS |
| Tape Output |
1 |
| Tape Monitor Loop |
None |
| Output Device Types |
MOSFET |
| Balanced Outputs   (XLR) |
1 Pair |
| Single-Ended Outputs   (RCA) |
1 Pair |
| Output Impedance - XLR |
110 ohms |
| Output Impedance - RCA |
220 ohms |
| Gain Control |
RBG ry   (fully discrete) |
| Gain - XLR |
12dB |
| Gain - RCA |
9dB |
| Signal-to-noise Ratio |
98dB @ full output |
| Maximum Output Voltage - XLR |
10 Volts |
| Maximum Output Voltage - RCA |
5 Volts |
| Frequency Response |
20Hz - 20kHz   (+0 / -0.1dB) |
| Crosstalk @ 1kHz |
-65dB |
| IMD |
unmeasurable |
| THD   (20Hz - 20kHz) |
0.05% |
| Headphone output |
None |
| Available Faceplate Finishes |
Black and Silver |
| Remote Control |
All-Aluminum Full Function |
| AC Power Requirements |
120V / 60Hz     240V / 50Hz |
| Fuse Replacement - 120V |
2A long slow blow |
| Fuse Replacement - 230V |
1A long slow blow |
| Number of Chassis |
2   (matching) |
| Warranty   (USA & Canada) |
10 years |
| Shipping Weight |
40 lbs / 18 kgs |
| Dimensions   (W x H x D) |
17 x 4 x 15 in.   (43 x 10 x 38 cm.) |
       
Specifications are subject to change without notice.
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