Simaudio Moon 610LP Two Tone

Simaudio Moon 610LP Two Tone Phono Preamplifier.

Simaudio Moon 610LP Two Tone

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MOON 610LP Phono Preamplifier: Unsurpassed flexibility combined with lifelike analog reproduction !

  • Both single-ended (RCA) and balanced (XLR) inputs and outputs
  • Selectable gain, impedance loading, capacitance loading and equalization curves
  • 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.

Featuring a dual-mono, fully balanced differential circuit layout, the MOON 610LP is a purist design heavily based on the reference grade MOON 810LP. Since one of the strengths of Simaudio is Research & Development, they have the ability to create a reference grade product and then, a short time later, offer a more accessible model which encapsulates most of the technology and performance of the reference.

The 610LP combines customized parts in an ultra-refined audio circuit which is fed by a unique power supply. This oversized power supply, located within the main chassis, is housed in a satin coated, 14-gauge steel isolated enclosure which eliminates all traces of AC artifacts. Located within this enclosure is a high quality toroidal transformer, a 'pi-type' filter to reduce AC transmission noise and multiple stages of voltage regulation. These factors result in a power supply that exceeds the performance of a battery power supply with respect to both audio signal-to-noise ratio and voltage regulation.

A highly configurable phono preamplifier, the MOON 610LP offers selectable gain, impedance loading, capacitance loading and equalization curves, all accomplished using DIP switches found on the bottom panel. These switches are located directly in line with the circuit at optimal locations to yield the shortest possible signal path. These adjustments, in conjunction with an excellent overload margin, allow the MOON 610LP to work with virtually any available phono cartridge.

  • An oversized power supply producing a DC signal with a noise floor of -140dB related to 1.0V, DC-100kHz
  • 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
  • Selectable equalization curves for both the RIAA and the IEC standards
  • Customized parts include metallized polypropylene film capacitors with very tight tolerances of 1%
  • 4-Layer printed circuit boars with pure copper tracings for a much shorter signal path; this results in greater sonic accuracy and a dramatically improved signal-to-noise ratio
  • Power supply featuring a "pi-type" filter comprised of 40,000uF of capacitance and dual choke inductance
  • 12 Volt trigger input and 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
Type: Solid State
Configuration: Fully balanced, dual-mono
Power Supply Transformer: 25VA
Power Supply Capacitance: 40,000µF
Balanced Inputs (XLR): 1 pair
Single Ended Inputs (RCA): 1 pair
Input Impedance – Adjustable: 64 settings from 12.1Ω to 47KΩ
Input Capacitance – Adjustable: 16 settings from 0 to 470 pF
Gain – Adjustable: 16 settings from 40dB to 70dB
Balanced Output (XLR): 1 pair
Single-ended Output (RCA): 1 pair
Input overload @ 40dB gain: 200mV RMS (XLR) / 100mV RMS (RCA)
Input overload @ 55.5dB gain: 30mV RMS (XLR) / 15mV RMS (RCA)
Input overload @ 60dB gain: 20mV RMS (XLR) / 10mV RMS (RCA)
Input overload @ 65dB gain: 10mV RMS (XLR) / 5mV RMS (RCA)
Input overload @ 70dB gain: 5mV RMS (XLR) / 2.5mV RMS (RCA)
Signal-to-noise Ratio (fs @ 40dB gain): 112dBr
Signal-to-noise Ratio (fs @ 55.5dB gain): 106dBr
Signal-to-noise Ratio (fs @ 60dB gain): 103dBr
Signal-to-noise Ratio (fs @ 65dB gain): 98dBr
Signal-to-noise Ratio (fs @ 70dB gain): 93dBr
Maximum Output (1kHz @ 10kΩ): 20.0 Volts (XLR) / 10.0 Volts (RCA)
Output Impedance: 50Ω
IEC Curve Effect: -7dB @ 10Hz
Frequency Response: 20Hz - 20kHz (±0.1dB)
Crosstalk @ 1kHz : -106dB
IMD: < 0.002%
THD (20Hz - 20kHz): < 0.001%
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
Available Faceplate Finishes: Black and Silver
Power Consumption: 6 Watts
AC Power Requirements: 120V / 60Hz 220-240V / 50Hz
Fuse Replacement 120V / 220-240V: 200mA short slow blow / 100mA short slow blow
Dimensions (W x H x D in inches) 18.75 x 4.1 x 16.81
Shipping weight: 40 lbs
More Information
Sub Title Phono Preamplifier
Manufacturer Part# 610LP
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