"Black by Bel Canto Design is a breakthrough product and, because of its sound quality , the most intriguing one I've reviewed—and by now, that's a lot of products." - Michael Fremer

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Welcome to Black by Bel Canto, the Ultimate Amplification System.

Black is like no other audio system in the world. It is a uniquely integrated 3 chassis system that maintains signal source accuracy in the digital domain to the analog amplification section without loss or coloration.

Beautifully constructed from solid high grade billet aluminum, the modern look and feel of Black connects to all sources offering the highest level of flexibility and ease of use. Black creates an authentically present and naturally dimensional musical experience that will captivate you.

ASC1 - Asynchronous Stream Controller

The ASC1 is the controller/master clock that manages all inputs, volume and system functions, Ethernet rendering, custom FIR filters and preforms the critical function of “getting the signal correct” from any source before it travels through the rest of the system. There are 3 ways to have complete control over the ASC1; manually by pressing and rotating the control dial on the top of the unit, the IR custom remote control, or with your iPhone/iPad and the iOS app.

The ASC1 is an all-digital controller that accepts digital, networked, and analog sources. The ASC1 64 bit DSP processor core controls system function, 32 bit volume, all Asynchronous interfaces, and custom FIR Filters with the highest level of accuracy. The ASC1 custom ULN Masterclock circuit with ultra-low phase noise clocks measure below 40 Femtoseconds, keeping phase noise and jitter at extremely low levels, ensuring pure sonic performance.

The digital signal output of the ASC1 is transmitted through the StreamLink ST Glass fiber optic connections. The ST Glass Fiber offers many system advantages. It allows longer distances with extremely accurate signal transmission and complete electrical isolation between components, eliminating ground loops and preventing noise from traveling to the sensitive final analog stages of the system.

The ASC1 provides a suite of digital and analog inputs including Ethernet and USB2.0.

MPS1 - Mono PowerStream

Each MPS1 monoblock houses the ULN Masterclock, the dual-mono high dynamic range DAC, Bel Canto's class A amplifier stages, and custom 1200 Watt Power Buffer in an optimized environment.

The MPS1 receives the ST Fiber signal and asynchronously re-clocks the data into the fully balanced advanced segment DAC measuring below 0.0005% distortion and 130dB of dynamic range. The DAC output then goes through 2 fully balanced discrete class A analog amplifier stages. The DAC section is connected with a 3cm silver ribbon cable into the custom Bel Canto NCORE buffer with high current output of 40amp peaks into a 2 ohm load.

Each MPS1 uses WBT vibration isolated NextGen speaker connectors and a control switch that selects the input method and another switch to name the monoblock the right or left channel. Colored LEDs indicate lock and channel allocation.


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ASC1 Specifications

Maximum Data Input Rates:

24bit Data at 192KS/s: AES XLR, SPDIF 1/2, ST Fiber, TOSLINK
24bits at 384KS/s and DSD64: UPnP/DLNA Ethernet
ULN Master Clock Phase Noise: <40femtoSeconds RMS, 100Hz-1Mhz
FIR Filter Options:

Filter OFF: Standard Linear Phase
Filter 1: Minimum Phase Apodizing Flat to 20Khz
Filter 2: Minimum Phase Apodizing -3dB at 20Khz
Filter 3: Minimum Phase Apodizing -9dB at 20Khz
Analog Input:

Maximum Input: 2.5 Vrms RCA
Input Impedance: 12K ohms RCA
THD+N: 0.003%, 2.5Vrms in, 1KHz
Dynamic Range: 106dB, A-weighted 20Hz-20KHz

Control Interfaces: IR, Rotary Encoder, RF
Power Usage On: 8W
Power Usage Off: 0.0W
Power Requirement: 100-120VAC, 220-240VAC 50/60 Hz
Dimensions: 19" W x 12" D x 3.8" H (483 mm x 305 mm x 97 mm)
Weight: 40lbs. (18.2 kg)
MPS1 Specifications

Output Section:

Maximum Power Output: 1200W-2ohm, 600W-4ohm, 300W-8ohm
Minimum Load: 2 ohms
Peak Output Current: 40 amperes
Frequency Response: -3 dB 0Hz-50KHz, all loads
Output connections: 1-pair WBT Nextgen 5-way binding posts
Input Section:

Input Connections: Stream ST Fiber or Analog balanced XLR
Dynamic Range Stream Input: 128dB
Dynamic Range Analog Inputs: 108 dB
Balanced input impedance: 20Kohms
Analog Input Voltage gain: 21 dB
Analog Input Voltage for Max Output: 5 Vrms

THD+N: <0.001% 1W, 1KHz, 4 ohms
IMD (CCIF): <0.001%, 1W, 18.5:19.5KHz 1:1, 4 ohms

Power Usage On: 37W
Standby Power Usage: 0.4W
Internally Set Operating Voltages: 100-120VAC, 220-240VAC 50/60 Hz
Dimensions: 19" W x 14" D x 3.8" H (483 mm x 356 mm x 97 mm)
Weight: 45lbs. (20.5 kg)
Features and specifications are subject to improvements and changes without prior notice.

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