MOON EVOLUTION SERIES
P-8 Dual-mono Preamplifier
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The MOON P-8 preamplifier is a dual-mono fully balanced differential design, representing
the next generation of MOON high-performance audio components. Using several newly developed
proprietary technologies, this preamplifier yields absolutely no sonic colorations, a level of
transparency second-to-none, and possesses a signal-to-noise ratio would have been considered
unattainable until now. Further raising the bar, the MOON P-8 can be fully integrated into
a custom-install environment via an RS-232 port. As well, a plethora of user selectable cosmetic
options are available at the time of purchase.
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Significant Design Features
2-chassis design with the larger chassis housing the power supply, digital controller circuitry, software
processing and the LED display. The smaller chassis contains ONLY audio circuitry ·
Full unsolicited RS-232 bidirectional feedback ·
Custom proprietary toroidal transformer design with lower magnetic, electrical and thermal loss, yielding
an improved power transfer and lower regulation factor. The result is increased current speed and better
dynamics ·
An oversized dual-mono power supply features 6 stages of DC voltage regulation and choke filtering ·
SimLink controller port allows for 2-way communications between other compatible MOON Evolution Series components ·
M-Ray volume control circuit based on the R-2R resistor array configuration that uses metal film surface
mount resistors with 0.1% tolerances, 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 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 - 40 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 of the P-8 is bypassed ·
530 individual volume steps in 1dB and 0.1dB increments ·
Fully differential, no global feedback circuit topology, using absolutely no capacitors anywhere in the audio signal path ·
An exceptionally short signal path measuring less than 9 inches in length from the rear panel's input to output
connectors, yielding a much faster transient response ·
Four-layer PCB tracings; 1 on top for ground plane, 1 on the bottom for power circuitry and 2 in middle for the
audio signals. The advantages include better ground and power supply circuit layouts resulting in a much shorter
signal path and dramatically improved signal-to-noise ratio ·
Ultra 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 ·
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 / Fully Balanced |
| Power Supply Transformers |
2 x 150VA (audio);   1 x 10VA (controller) |
| Power Supply Capacitance |
70,000µF |
| Circuit Topology |
Open Loop |
| Balanced Inputs   (XLR) |
3 pairs |
| Single-ended inputs   (RCA) |
4 pairs |
| Input Impedance |
11,000 ohms |
| Input Sensitivity |
200mV - 4.0V RMS |
| Monitor Loop |
1 |
| Balanced Outputs   (XLR) |
2 Pairs |
| Single-Ended Outputs   (RCA) |
2 Pairs   (variable & fixed) |
| Output Impedance   (RCA / XLR) |
50 ohms / 100 ohms |
| Volume Steps |
1.0dB from 0-30 and 0.1dB from 30-80 |
| Gain Control |
M-Ray   (fully discrete R-2R) |
| Gain |
9dB |
| Signal-to-noise Ratio   (20Hz - 20kHz) |
130dB |
| Maximum Output Voltage - XLR |
12 Volts |
| Maximum Output Voltage - RCA |
6 Volts |
| Frequency Response |
5Hz - 100kHz   (+0 / -0.1dB) |
| Crosstalk @ 1kHz |
-130dB |
| IMD |
unmeasurable |
| THD   (20Hz - 20kHz) |
0.002% |
12 Volt Trigger Operation
 
 
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Direct Logic   (0V = off, 12V=on)   using
a 3.5mm mono microphone jack with an
input impedance of 1000 ohms and current
requirement of 12mA |
| SimLink Port |
1 input + 1 output each on 1/8" mini-jack |
| RS-232 Port |
9-pin female DB connector |
| IR input |
1/8" mini-jack |
| Remote Control |
All-Aluminum Full Function |
| Display Type |
8 character dot matrix LED |
| Power Consumption @ idle |
TBA |
| AC Power Requirements |
120V / 60Hz     240V / 50Hz |
| Fuse Replacement - 120V |
1.0A short slow blow |
| Fuse Replacement - 230V |
0.5A short slow blow |
| Shipping Weight |
74 lbs / 33 Kgs |
| Dimensions - Preamp   (w x h x d) |
18.75 x 4 x 16.5 in. |
| Dimensions - Controller / Power Supply |
18.75 x 5.5 x 16.5 in. |
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Specifications subject to change without notice.
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