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Sound Gallery is a hifi specialist store located in Melbourne servicing Australian and International customers. With 20 years of experience in R&D, studio remastering and psycho-acoustics showcasing premium hi-fi systems. When you are passionate about music, let us help you find the perfect system tailored to your needs and lifestyle. 


Since our founding, Sound Gallery has been known for quality services, exceptional efficiency and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet, but exceed your expectations and ensure your full satisfaction. 


Bel Canto Black ASC 1 Asynchronous Stream Controller

You are looking at something very deceptive. An almost invisible, slim profile chassis. Its lone display lets you know what you’re playing and its digital details.

Bel Canto Design MPS 1 PowerStream Monoblock Amplifier

Follow the StreamLink ST Fiber Interconnect and you reach yet another tour de force. Each PowerStream Mono Block precisely mirrors the ASC1 Controller in form and holds the critical analog circuitry.

Bel Canto Black ASC 1 Asynchronous Stream Controller

Subtlety and discreetly. Almost in a whisper. Pick up Black’s solid metal remote. This simple yet elegant interface allows for intuitive control. Black also allows you to interact with it using a smart phone or a tablet. Beneath its aircraft grade solid billet aluminum chassis lies multiple proprietary technologies. The result of this unique topography will stop your breath when listening to your favorite music. Black’s ASC1 controller unit is like nothing else available today. It contains Proprietary Asynchronous Interfaces along with Bel Canto ULN Master Clocks that are within centimeters of critical output and ADC stages. This prevents noise and interference from affecting the signal purity within the ASC1.

Black’s proprietary StreamLink ST fiber cable links the ASC1 to Black’s PowerStream Mono Blocks. This means perfect signal distribution: complete Galvanic Isolation, Zero Interference from ambient noise and zero noise radiation. This proprietary interface also means Black’s controller can be located anywhere you like: from a few inches to meters away from the Mono Blocks with no loss in signal purity.

Bel Canto Black ASC 1 Asynchronous Stream Controller Specifications

Maximum Data Input Rates:

24bits at 192KS/s: AES XLR, SPDIF1/2, 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 Off: 0.0W
Power Requirement: 230-240VAC 50/60 Hz Internally Set
Dimensions (W x D x H): 483 x 305 x 97mm
Weight: 18.2Kg

Proprietary technologies and designs within the Controller:

 ULN Master Clocks
 StreamLink ST Fiber Inputs and Outputs
 Custom Time Optimized FIR Filters
 Dedicated Asynchronous Processor Core 
 Custom USB2.0 Asynchronous Processor Core
 Blackfin Ethernet UPnP Asynchronous Processor Core
 Asynchronous AES/SPDIF Interface Architecture

Bel Canto Design MPS 1 PowerStream Monoblock Amplifier

When the signal arrives at the PowerStream Mono Blocks a final Asynchronous ULN Master Clock controlled circuit re-times the digital signal before converting it to analog. This ensures a pure, organic sound performance. The analog signal passes through custom discrete Bel Canto balanced amplifier stages for current conversion and voltage amplification. Each PowerStream Mono Block holds a Bel Canto nCore Discrete Power Processor stage that can supply 1200 Watts and 40 Ampere peaks to the loudspeaker with 128 dB of dynamic range.

The PowerStream represents the absolute shortest signal path for all critical components. A Mono Block architecture and construction ensures total signal path isolation between channels. AC Power is pre-conditioned by a two-stage power supply providing complete clean DC power before reaching the final custom low noise supply circuits, thus completing the Shortest Analog Path to the Loudspeaker while Maintaining True High Dynamic Range.

Bel Canto MPS1 PowerStream Monoblock Amplifier Specifications

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 
THD+N: <0.001% 1W, 1KHz, 4 ohms 
IMD (CCIF): <0.001%, 1W, 18.5:19.5KHz 1:1, 4 ohms 
Analog Input Voltage gain: 21dB 
Damping factor: >1000 
Output Impedance at 100Hz: <8 milliohms 
Dynamic Range Stream Input: 128dB 
Dynamic Range Analog Inputs: 108dB 
Analog Input Voltage for Max Output: 5Vrms 
Input connections: Stream ST Fiber or Analog balanced XLR 
Balanced input impedance: 20Kohms 
Output connections: 1-pair WBT Nextgen 5-way binding posts 
Power On usage: 37W 
Standby usage: 0.4W 
Internally Set Operating Voltages: 230-240VAC 50/60 Hz 
Size (W x D x H): 483 x 356 x 97mm
Weight: 45lbs - 20.5Kg each

Proprietary technologies within the PowerStream Mono Block:

 ULN Master Clock with Asynchronous Interface
 StreamLink ST Fiber Interconnect
 Discrete Bel Canto I/V and Voltage Gain Stages
 Bel Canto Custom nCore Discrete Power Processor Stage 
 AC Pre-conditioning and Power Filter Stage


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