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Simaudio MOON 850P Preamplifier

Simaudio MOON 850P Preamplifier The ultimate analog preamplifier "It’s the most transparent preamp - or audio component of any sort...
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Sale price €35.000,00Regular price
Regular price €35.000,00

Simaudio MOON 850P Preamplifier

The ultimate analog preamplifier

"It’s the most transparent preamp - or audio component of any sort - that I’ve heard." – Brian Damkroger, Stereophile

"This is a rare component in the way it disappears, revealing nothing but the music carried through it. I’ve yet to hear one that reveals more music." – Jeff Dorgay, TONEAudio

Elegantly designed, meticulously crafted, and technically advanced – this is the pinnacle of analog preamplifiers. It offers a completely pure signal path, an extremely low noise floor, and exceptionally accurate channel balance, bringing out even the finest musical details.

Its dynamic range, natural tonality, and three-dimensional soundstage accuracy make it the perfect heart for a high-end hi-fi system.

Two separate chassis – ultimate signal purity

In this advanced two-piece design, the audio circuits are completely isolated in their own chassis. This solution minimizes electrical interference, reduces effects caused by vibrations, and improves signal integrity.
The result is an even more accurate, pure, and natural sound – exactly what the most demanding listener expects from a top-tier analog preamplifier.

Suspension structure for naturally vibrant sound

Advanced suspension technology isolates sensitive audio components from mechanical vibrations and other microphonic disturbances. This nearly complete damping reduces signal distortion and allows the sound to unfold naturally, openly, and exceptionally vividly.

The end result is a soundstage that feels breathable and authentic – as if you were in the midst of the original performance.

  • Two-chassis design: one chassis contains the power supply, digital control electronics, software processing, and LED display. The other chassis is dedicated solely to the audio circuits, ensuring perfect signal isolation and purity.
  • i²DCf voltage regulation (Independent Inductive DC Filtering): each IC component in the audio circuit's signal path has its own inductor – a total of 40 separate filtering stages. This provides exceptionally clean and stable operating voltage.
  • Adjustable gain offset: each line input has a ±10 dB gain offset adjustment, which facilitates fine-tuning and balancing of the system.
  • Home theater ready: each line input can be configured to "home theater ready" mode, bypassing the 850P's own volume control and allowing the signal to pass through completely undisturbed as part of a multi-channel system.

Technical specifications

  • Inputs – XLR / RCA: 3 pairs / 5 pairs
  • Input sensitivity: 200 mV – 4.0 V RMS
  • Input impedance: 11,000 Ω
  • Gain: 9 dB
  • Outputs – XLR / RCA: 2 pairs / 2 pairs (fixed + variable)
  • Signal-to-noise ratio (20 Hz – 20 kHz): 130 dB at maximum output
  • Frequency response: 5 Hz – 100 kHz ±0.1 dB
  • Channel separation @ 1 kHz: –130 dB
  • Output impedance: 50 Ω
  • THD (20 Hz – 20 kHz): 0.0005 %
  • Intermodulation distortion: 0.0001 %
  • Shipping weight: 151 lb / 67 kg
  • Dimensions – each chassis (W × H × D): 47.6 × 10.2 × 41.9 cm