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Weiss-Helios
$****
Nothing between you and the music
PROFESSIONAL-LEVEL digital-to-analog converter
Originating in Weiss Engineering’s product line for professional mastering studios, the HELIOS is truly a zero-compromise DAC. For those seeking the same representation of their music as mastering engineers hear when fine-tuning the audio in the studio, the HELIOS is the unit to get.
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Description
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Main Features
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Technical Data
Nothing between you and the music
PROFESSIONAL-LEVEL digital-to-analog converter
Originating in Weiss Engineering’s product line for professional mastering studios, the HELIOS is truly a zero-compromise DAC. For those seeking the same representation of their music as mastering engineers hear when fine-tuning the audio in the studio, the HELIOS is the unit to get.
Main Features
| Professional Audio Quality | Based on Weiss Engineering’s professional DACs used in top-tier studios, maintaining the same level of sound quality for high-end hi-fi markets. |
| High Connectivity | Supports multiple digital inputs, balanced and unbalanced analog outputs, and sampling frequencies up to 384 kHz plus DSD x64 and x128. |
| Functionality | Functions as a preamp, headphone amp, and streamer (UPnP/ROON) with integration for JPLAY iOS app supporting Qobuz, Tidal, and local music collections. |
| Product Comparison | Shares the digital audio platform with DAC501 and DAC502, but with different D/A converters and analog output sections. |
| Output Flexibility | XLR and RCA outputs can drive both amplifier line inputs and headphones directly or via a dedicated headphone amp, with DSP mode switchable between speaker and headphone use. |
| Housing Construction | Dual frame construction with stainless steel internal frame and thick aluminum outer frame for durability. |
| Purist Signal Path | Uses an eight-channel 32-bit D/A converter chip with four paralleled conversion channels per audio channel and discrete Weiss OP2-BP operational amplifier modules. |
| Clock Precision | Features an internal high-precision/low jitter clock generator for ultra-stable D/A converter clocking. |
| Professional DSP Processing | Built-in digital audio processing based on professional algorithms used in Weiss Engineering’s audio tools for sound adjustments. |
| Ease of Use | Controlled via IR remote or web browser for input/output selection, DSP processing presets, and power management. |
Technical Data
| Digital Inputs | – There are a total of five inputs: – AES/EBU or S/PDIF via XLR, Toslink, and RCA sockets. – UPnP/DLNA via Ethernet. – USB. – Roon Ready. – Accepted formats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x. – Future formats can be accommodated via software updates. – Maximum input word-length: 24 Bits |
| Analog Outputs | – Line / Headphone out unbalanced on RCA connector. – Line / Headphone out balanced on XLR connector. – Output stages based on OP2-BP Operational Amplifier design. – Output levels can be set in eight steps. – Levels can be set independently for line and headphone outputs. – No sound degrading servo mechanisms. |
| Digital Signal Processing | – Room Equalizer. – Creative Equalizer (tone control with low, high, and mid boost/cut). – De-Essing (automatic removal of bright sibilances). – Constant Volume (adjusts audio volume across tracks). – Vinyl Emulation. – Crosstalk Cancelling (XTC). – Loudness Control. – Headphone Equalizer. – Crossfeed. |
| Front Panel Controls | – Rotary encoder knob for changing parameters and powering the unit on/off. – Touch screen colour LCD display. – IR receiver. |
| Back Panel Elements | – Analog outputs on XLR and RCA connectors. – Digital inputs on XLR, RCA, TOSLINK, USB, and Ethernet connectors. – USB type-A connector. – Mains connector with fuses. |
| Dimensions | – HELIOS: – Depth: 30 cm / 11.8 inches – Width: 45 cm / 17.7 inches – Height: 6.6 cm / 2.6 inches – Height with feet: 7.4 cm / 2.9 inches – IR Remote Control: – Depth: 2.1 cm / 0.83 inches – Width: 4.5 cm / 1.78 inches – Height: 16.6 cm / 6.53 inches |
| Power Supply | – Powerful non-switching power supply. – All sensitive voltages have their own regulators. – Analog output free of “digital noise” and channel crosstalk. – Semiconductor relay for glitch-free power switching. – Two toroidal mains transformers. – Automatic mains voltage selection. |
| Note | For more detailed product specifications, please refer to the user manual. |
| Download Links | Manuals & Downloads |
