Front Panel Control Knob:

The control knob is a continuously rotating control with a push-switch function. Always push the button with your finger in the direct center of the knob. Pushing the knob will switch between selectable values on the display. Rotating the control left or right will adjust the selected value.

Upon Power Up:

When switched on, the DAC3.5VB will perform its startup sequence followed by displaying the firmware revision.

After 2 seconds, Input Selection Mode will become active. The AES input will be selected by default and Soft Mute will be active. The volume will be set to 50.0 even if the fixed/variable button is in Fixed mode. The selected input is on the left of the display and the volume is on the right. The volume level will automatically ramp down and up during this selection process

Input Selection Mode:

Briefly press the control knob and the input on the left of the display will be highlighted. Rotate the control knob to scroll to the desired input. Inputs are indicated as: AES, SP1 (SPDIF1), SP2 (SPDIF2), OPT (TOSLINK), ST (High Speed ST Fiber) and ANLG (Analog Input).

Variable Output Mode:

The DAC3.5VB Variable Output operating mode, selected from the rear panel Fixed/Variable output switch, allows you to change volume level by rotating the knob or via the supplied remote control.

To adjust the volume, rotate the knob until the volume number on the right of the display is highlighted.

The volume down function (counter-clockwise rotation) is very rapid and allows quick changes in the volume level. Volume up (clockwise rotation) functions rapidly up to a displayed volume level of

65.0.Volume is adjustable from 0.0 to 100.0 by increments of 0.5.

Fixed Output Operating Mode:

Pressing the rear panel Fixed/Variable Output switch to the in position will set the DAC3.5VB in a fixed output operating mode. This mode is used when driving an analog preamp or integrated amplifier input. The volume control function is then provided by the associated preamplifier or integrated amplifier.

To use the Fixed Ouput mode set the ouput level to

100.0for a 2.75Vrms maximum level from the RCA outputs or 5.5Vrms level for the Balanced XLR outputs. If you want the outputs set for a lower level then set the volume control to a lower level. For example, for about 2 Vrms out from the balanced outputs set the volume control to 91.0. This will represent about a 2 Vrms output level on the balanced outputs. When the level is set then press the rear panel Fixed/Variable Output button. The front panel display will now show the selected input. Rotating the knob will scroll to different inputs and the Volume and Mute functions on the remote will not function.

Front Panel Digital Lock Indicator:

When no digital input signal is present on an input, LOS (Loss Of Signal) will appear on the display. If this occurs you need to check that the correct input is selected and then check that the digital source is connected, active and functioning correctly.

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Bel Canto Design DAC3.5VB manual Front Panel Control Knob, Upon Power Up, Input Selection Mode, Variable Output Mode
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DAC3.5VB specifications

The Bel Canto Design DAC3.5VB is a highly regarded digital-to-analog converter that stands out for its exceptional sound quality and advanced technological features. This model is part of Bel Canto's renowned lineup, celebrated for its superb engineering and distinctive approach to audio reproduction.

One of the core features of the DAC3.5VB is its innovative digital signal processing technology. It employs a high-performance digital filter that provides exceptional detail and clarity, allowing listeners to experience their music as it was intended. The use of a sophisticated multi-bit Delta-Sigma architecture ensures that sound reproduction is both accurate and natural, effectively rendering both subtle nuances and complex musical passages.

The DAC3.5VB supports a variety of digital input formats, including USB, optical, and coaxial connections. The USB input is particularly noteworthy, as it utilizes the latest asynchronous technology to eliminate jitter, resulting in a cleaner signal and superior audio quality. This allows users to connect the DAC to their computers or streaming devices with ease, making it a versatile addition to any audio system.

Another significant aspect of the DAC3.5VB is its dual-mono design, which ensures that each channel operates independently, minimizing crosstalk and providing a more immersive stereo image. This design philosophy contributes to the DAC's ability to deliver deep soundstage and precise imaging, making it a favorite among audiophiles.

Additionally, the DAC3.5VB incorporates Bel Canto's proprietary analog output stage, which is engineered to minimize distortion and enhance dynamic range. This output stage is paired with high-quality components that offer low noise and a greater sense of dynamism to recordings, resulting in an engaging listening experience.

The build quality of the DAC3.5VB is also commendable, featuring a rugged chassis that reduces electromagnetic interference. Its aesthetically pleasing design makes it a stylish component for any high-end audio setup.

In summary, the Bel Canto Design DAC3.5VB is a sophisticated digital-to-analog converter that combines advanced technology with a commitment to audio excellence. With features like precision digital processing, multi-format compatibility, and an independent dual-mono design, it offers an unparalleled listening experience that caters to both casual listeners and serious audiophiles alike. Its remarkable performance and elegant design make it a standout choice in the world of high-fidelity audio.
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