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The Evolution of preamplification
The MOON 740P preamplifier is a dual-mono fully balanced differential design, following in the footsteps of the MOON 850P reference. This "next generation" series preamp uses various recently in-house developed technologies that help create a level of performance that can be best described as astounding. Intended for those seeking high-performance in an elegant, stylish yet uncomplicated package, the MOON 740P leaves your music uncolored and free of any grain and noise; The purity of the signal remains uncompromised, allowing the music to be heard as was intended from day it was recorded. Further raising the bar, as is the case with all series models, the 740P 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.

Significant Design Features
Full unsolicited RS-232 bidirectional feedback

A dual-mono oversized power supply using 2 toroidal transformers in conjunction with 5 stages
of DC voltage regulation and extensive choke filtering

4 stages of our newly developed M-LoVo (MOON Low Voltage) DC regulation circuit; a highly
sophisticated circuit made up of a clever combination of IC’s and discrete parts that is virtually
free of noise, yielding an exceptionally fast, precise, and stable DC voltage. The result is a
power supply with a virtually unmeasureable noise floor

SimLink controller port for 2-way communications with other compatible MOON components

M-eVOL2 volume control circuit using MDAC’s (operating in a current steering R-2R configuration)
which alter the audio signal’s amplitude yielding no sonic degradation of the signal, regardless
of the selected volume setting

530 individual volume steps in 1dB and 0.1dB increments

M-Lock for “user selectable” maximum volume setting lock-out for each line input

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

“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
740P is bypassed

4-Layer PCB’s with pure copper tracings for a much shorter signal path; This results in
greater sonic accuracy and a dramatically improved signal-to-noise ratio

12 Volt trigger output for remote operation

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

Includes FRM-3 all-aluminum back-lit remote control.
 

Configuration: Fully balanced, dual-mono
Power Supply Transformers: 1 x 10VA (for audio)
1 x 10VA (controller circuitry)
Power Supply Capacitance: 35,000μF
Circuit Topology: Open Loop
Balanced inputs (XLR): 2 pairs
Single-ended inputs (RCA): 3 pairs
Input Impedance: 22,000Ω
Input Sensitivity: 200mV – 4.0V RMS
Balanced outputs (XLR): 1 pairs
Single-ended outputs (RCA): 2 pairs (fixed and variable)
Output Impedance: 50Ω
Gain Control: M-eVOL2
Gain: 9dB
Signal-to-noise Ratio (20Hz-20kHz): 120dB @ full output
Maximum Output Voltage (Balanced): 12 Volts
Maximum Output Voltage (Single-Ended): 6 Volts
Frequency Response: 5Hz - 100kHz +0/-0.1dB
Crosstalk @ 1kHz: -116dB
Intermodulation Distortion: Unmeasureable
THD (20Hz - 20kHz) : < 0.0001%
Remote Control: All Aluminum Full-Function Backlit (FRM-3)
Display Type: 8 character dot matrix LED
Power Consumption @ idle: 20 Watts
AC Power Requirements: 120V / 60Hz or 240V / 50Hz
   
   
Gewicht: 16 kg
Breedte per chassic: 476 mm
Hoogte per chassis: 101 mm
Diepte per chassis: 419 mm



 

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