Price:
$44,000
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Australian sourced stock, with full local warranty.
Colour: Black
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Description

  • Professional-Level Digital-to-Analog Converter
  • Professional Level at Home
  • High Connectivity
  • Helios Product Comparison
  • Purist Signal Path
  • Professional Processing
  • Ease of Use
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Weiss Helios High-End Hi-Fi Specifications
DIGITAL INPUTS 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 24Bits
ANALOG OUTPUTS Outputs
  • Line / Headphone out unbalanced on RCA connector.
  • Line / Headphone out balanced on XLR connector.
Output stages based on our discrete OP2-BP Operational Amplifier design are employed.

The output levels can be set in a coarse manner with eight steps to adapt for the amplifier or headphone connected.

The levels can be set independently for line and headphone outputs.

No sound degrading servo mechanisms are used.

DIGITAL SIGNAL PROCESSING The DSP502 uses a built-in digital signal processing (DSP) chip for its audio processing. These algorithms are included:
  • Room Equalizer – to suppress room modes for more accurate bass reproduction.
  • Creative Equalizer – a tone control with low boost/cut, high boost/cut, and mid boost/cut. Very useful to correct those recordings which do not quite sound right.
  • De-Essing – the automatic removal of overly bright sibilances from human voices. The sibilance effect can be more or less pronounced depending on your speakers or room acoustics.
  • Constant Volume – adjusts the audio volume (loudness) to a constant value across all tracks played. Useful for “party mode” when the volume control should stay untouched.
  • Vinyl Emulation – get that special sonic character of a record player based playback chain. We also employ an emulation of the DMM-CD procedure offered by the Stockfisch label.
  • Crosstalk Cancelling (XTC) – for the playback of dummy head recordings or live recordings via speakers for an incredible live sensation. Dummy head recordings usually are listened to via headphones because they only work properly if the left channel goes to the left ear only and the right channel to the right ear only. With speakers this is difficult to achive as the left channel goes to the left and the right ear. But with some clever signal processing of the speaker channels is is possible to suppress the crosstalk, i.e. the audio going from the left speaker to the right ear and vice versa. If that works properly then the recording sounds as if one would be in the space where the recording has taken place. All the reverberation and 3D representation of the sound sources is there.(For speaker based playback only.)
  • Loudness Control – a listening volume dependent equalization of the audio.
  • Headphone Equalizer – to adapt any headphone to the listener’s ears in terms of frequency response.
  • Crossfeed – to emulate a speaker based playback impression on headphones.
FRONT PANEL CONTROLS
  • A rotary encoder knob for changing parameters and for powering the unit on/off.
  • A touch screen colour LCD display.
  • An 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 for various applications.
  • 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 A powerful non-switching power supply is used. All sensitive voltages have their own regulators which are separated between left and right channels. The result is an analog output free of “digital noise” and channel crosstalk.

The power switch activates a semiconductor relay which only switches on or off at zero crossings of the mains voltage. This assures a glitch-free power switching. The two mains transformers are toroidal types.

Mains voltage selection is done automatically by measuring the mains voltage before power is applied to the rest of the electronics.

Note:For more detailed product specifications, please refer to the user manual.
  • Weiss HELIOS Digital To Analogue Converter
  • Quick Start Guide with Warranty Card
  • User Manual and White Paper
  • IR Remote Control

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