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The MOON P-7 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, an incredible level
of transparency, and a very impressive signal-to-noise ratio. Further raising the bar, the P-7 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.
P-7 Photo Gallery
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| Inside view of the P-7 |
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| Rear view of the P-7 |
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P-7 Technical Features · A dual-mono oversized power supply using 2 toroidal transformers in conjunction with 5 stages of DC voltage regulation and extensive choke filtering · M-eVOL volume control circuit based on a resistive array configuration with no sonic degradation of the audio signal regardless of the selected volume setting · Power supply voltage regulation includes i²DCf (Independent 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; 24 stages in all · 130 individual volume steps in 1dB and 0.5dB increments · M-Lock for "user selectable" maximum volume setting lock-out for each line input · "Gain offset" for each individual line input with a ±10dB range · Each line input is fully configurable to be "home-theater ready", where the gain section of the P-7 is bypassed · RS-232 port for (i) full unsolicited bidirectional feedback and (ii) firmware updates · IR input for external control · 12 Volt trigger output for remote operation · SimLink™ controller port for 2-way communications with other compatible MOON components · 4-Layer printed circuit boards with pure copper tracings for a much shorter signal path; This results in greater sonic accuracy and a 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 · Includes FRM-2 remote control. |
| P-7 Detailed Specifications | |
| Type | Solid State |
| Configuration | Dual-Mono / Fully Balanced |
| Power Supply Transformers | 2 x 10VA (audio); 1 x 10VA (controller) |
| Power Supply Capacitance | 44,000µF |
| Circuit Topology | Open Loop |
| Balanced Inputs (XLR) | 2 pairs |
| Single-ended inputs (RCA) | 4 pairs |
| Input Impedance | 22,000Ω |
| Input Sensitivity | 200mV - 4.0V RMS |
| Monitor Loop | 1 |
| Balanced Outputs (XLR) | 1 Pair |
| Single-Ended Outputs (RCA) | 2 Pairs (variable & fixed) |
| Output Impedance (RCA / XLR) | 50Ω / 100Ω |
| Gain Control | M-eVOL (R-2R) |
| Gain | 9dB |
| Signal-to-noise Ratio (20Hz - 20kHz) | 115dB |
| Maximum Output Voltage - XLR | 12 Volts |
| Maximum Output Voltage - RCA | 6 Volts |
| Frequency Response | 5Hz - 100kHz (+0 / -0.1dB) |
| Crosstalk @ 1kHz | -115dB |
| IMD | unmeasurable |
| THD (20Hz - 20kHz) | 0.002% |
| 12 Volt Trigger Output Operation | Direct Logic (0V = off, 12V=on) using a 3.5mm mono jack with an output impedance of 1000Ω 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 | FRM-2 All-Aluminum Back-lit Full Function |
| Display Type | 8 character dot matrix LED |
| Power Consumption @ idle | 20 Watts |
| AC Power Requirements | 120V / 60Hz 220-240V / 50Hz |
| Fuse Replacement 120V / 220-240V | 500mA short slow blow / 250mA short slow blow |
| Shipping Weight | 40 lbs / 18 Kgs |
| Dimensions (w x h x d) | 18.75 x 5.4 x 17.6 in. (47.6 x 13.7 x 44.7 cm.) |
| Specifications are subject to change without notice. |