

MOON by Simaudio
The MOON 861 is a power amplifier with the pedigree of the distinguished MOON 888 and the wholistic design philosophy of the North Collection. Its innovative technologies define the pinnacle of control and transparency, portraying the richest tonal character and deepest soundstage.
861 Power Amplifier
The ingenious new MDCA (MOON Distortion-Cancelling Amplifier) circuit resolves audio with the purest detail and pace. Its power supply boasts two 1,500 VA low-noise MOON transformers and 228,000 uF capacitance with unwaveringly stable thermal equilibrium. At the flip of a switch, the dual mono design outputs 300 watts per channel into 8-ohm stereo loads, doubling into 4 ohms, or 800 watts into 8 ohms as a bridged monoblock.
MOON engineers harnessed four decades of research and development to create the 861. Its overall style and impeccable construction draw on the uncompromising 888, while the iconic front panel sports a subtle LED indicator for refined feedback with MOONLink technology.
Design features
The North Collection
This landmark range represents a culmination of years of research and development in the fields of audio, electronics, materials, and manufacturing processes. Its stunning aesthetic design is surpassed only by the improvements in its performance, made possible by the passionate team of engineers and technicians dedicated to delivering an uncompromised music listening experience. The North Collection embodies the spirit of Canada, each product reflecting the company’s passion for premium audio design and exceptional sound reproduction, delivering features and performance that will delight music lovers around the world.
The North Collection incorporates ground-breaking MOON technologies—including the MOON Distortion Cancelling Amplifier (MDCA) circuit that reduces distortion and noise to previously unattainable levels, the MOON Damping Base (MDB) that raises the bar on mechanical isolation, and updated volume technologies for ultimate control. Premium MDE digital converters in the North Collection were designed and tuned to heighten every digital performance, and intelligent MOONLink connectivity ensures the symbiotic interoperability of all the devices.
Operating the North Collection is effortless with the intelligent MOON BRM-1 remote control featuring the luxurious MOON volume knob, ground-breaking touch controls, visual feedback, and lavish refinement. This exceptional product is calibrated to deliver celebrated MOON precision and guarantees enjoyment with every model.
Beautiful new OLED colour screens feature on four of the products in the North Collection. These advanced displays showcase cover art, song and album titles, and artist names in brilliant detail, as well as volume and a setup menu. The combination of the BRM-1 remote and the new OLED screen elevates the MOON experience to an exclusive tier.
Every model in the North Collection boasts new vertical heatsinks and timeless MOON styling for improved performance. Handcrafted details and the iconic MOON control knob, ensure that the North Collection commands admiring glances wherever it is experienced.
Created to express the finest nuances in every recording and to offer unrivalled listening pleasure, the North Collection is the range that MOON lovers have been craving. Look North to discover this uncompromising new range of truly unparalleled hi-fi equipment.
In the box
Owner’s manual
AC power cable
1 spare fast-blow fuse
MOONLink
Warranty and product registration information
Output Power (Stereo 8 Ω)
300 W
Output Power (Stereo 4 Ω)
600 W
Output Power (Mono 8 Ω)
800 W
Input Sensitivity
1.4 V
Input Impedance
47 kΩ
Gain
31 dB
Frequency Response
2 Hz – 100 kHz (+0 dB / –3 dB)
Crosstalk
–119 dB
Signal-to-Noise Ratio
119 dB
Total Harmonic Distortion + Noise (@ 1 W)
0.002 %
Total Harmonic Distortion + Noise (@ 300 W)
0.001%
Intermodulation Distortion
0.002%
Damping Factor
900
Power Consumption (Idle)
85 W
Power Consumption (Full Power Standby)
75 W
Power Consumption (Low Power Standby)
1.25 W
Shipping Weight
155 lbs / 70 kg
Dimensions (width x height x depth)
18.95 x 8.26 x 24 in
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