Moon 820S External Power Supply

SKU 820S

820S External Power Supply for Moon 740P, 610LP, 810LP, 650D or 750D

$17,000.00

$17,000.00

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The MOON 820S is the large and eagerly anticipated power supply that offers an upgrade path for certain Evolution series models. Making use of everything we know about power supply design with respect to circuit layout, filtration and regulation has gone into the 820S. Designed to elevate the performance of products that already perform stratospherically at their price points, the 820S was created through painstaking R&D, creative ingenuity and a passion for perfection.

Featuring state-of-the-art, custom-built dual toroidal transformers, choke filtering, and our own MOON Reference Regulation System (M-R2S) circuit, the 820S is capable of doing what was once thought of as virtually impossible: improving on the already superlative power supplies built into our products, by further reducing the noise floor while maintaining an even greater voltage stability. The astonishing sheer “blackness” of the musical background created by the addition of this power supply must be heard to be believed.

The 820S is equipped with two sets of outputs; It can upgrade the performance of any one, or any combination of two of the following MOON Evolution products simultaneously:

  • 740P Preamplifier
  • 650D DAC/CD Transports
  • 750D DAC/CD Transports
  • 610LP Phono Preamplifiers
  • 810LP Phono Preamplifiers

Each output provides DC power for both analog circuitry (audio) and digital circuitry (controller, CD transport, front panel displays) on 2 separate and unique XLR type cables.

820S Technical Features

· Two custom proprietary toroidal transformers 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; One each for analog and digital power supplies
· Special “pi-type” filters – 2 for each analog & digital supply – after the inital voltage rectification stage
that reduce AC transmission noise, using 40,000uF of capacitance and Dual choke inductance (2x 20mH)
· The analog and digital supplies each have 4 stages of our M-R2S circuit; A fully discrete voltage
regulation circuit using a “precision reference” feeding an amplifier comprised of numerous IC’s
and transistors, as opposed to a single voltage regulation chip. M-R2S outputs pure DC power
that is exceptionally fast, very precise, has a virtually unmeasureable noise level, as well as
absolute stable voltage
· 4-Layer printed circuit boards with pure copper tracings and extremely low impedance characteristics
yielding much shorter signal paths and drastically reduced noise levels
· 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
· Designed to be powered up at all times for optimal performance.
820S Block Diagram:

Note: There are 2 circuits like this block diagram in the 820S;
one for each the analog and the digital power supplies.

820S Detailed Specifications

Type Solid State
Power Supply Transformers 2 x 0.25kVA
Power Supply Capacitance 80,000µF
Power Consumption @ idle 25 watts
AC Power Requirements 120V / 60Hz   220-240V / 50Hz
Shipping weight 40 lbs / 18 kgs
Dimensions   (w x h x d) 18.75 x 4.1 x 16.81 in.   (47.6 x 10.4 x 42.7 cm.)
Weight
0.0000 kg
Dimensions
N/A
colours

Black, Two Tone Black & Silver

availability

Store

Model

Moon 820S

type

Accessory

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Moon specialises in custom home audio solutions, from custom handmade cables to headphone modification services.

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