AUDIO-GD NOS HE-7 Balanced ACSS DAC 8x PCM1704 24bit/192kHz Amanero

This HE-7 symmetrical DAC incorporates the quintessence of Audio-GD technologies. Indeed, it benefits from a symmetrical design and a high-performance conversion, without oversampling.


  • DAC 8x PCM1704
  • 24bits 192kHz
  • USB Amanero
  • NOS (Non Oversampling)
  • symmetrical

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Shipping date: 09-12-2019.

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Audio-GD HE-7 NOS

DAC Symmetrical ACSS / 8x PCM1704UK / AMANERO Audio-GD HE-7 NOS

One of the best DACs in the world ...

Audio-GD introduces us once again to the quintessence of audio technology with the products of the series HE, evolution of the series MASTER. They have enjoyed the longest duration of design and testing in the history of the famous brand.

Samee if Audio-GD had already studied the products since 2006, the best technicians of the firm offer them here in the most accomplished form with extraordinary performances and unthought.

Exquisite interior and connectivity

This Audio-GD HE-7 NOS uses the AMANERO technology of Audio-GD, in order to use it correctly here the indications of Audio-GD and the download link of the driver: Amanero Combo 384 USB Interface.

It has 6 inputs: BNC / XLR (AES-EBU) / RCA / Optical Toslink / I2S via HDMI / USB AMANERO, whose SPDIF interfaces are particularly effective for processing data for better audio quality and 3 outputs Analog: XLR / RCA / ACSS.

Each product has been scrupulously tested in all seams with one of the most powerful systems in the world: the Audio Analyzers 2700 Series from Audio Precision.

Rear Audio-GD HE-7 NOS

Fashion without Oversampling "NOS"

The great novelty of this HE-7 is the Oversampling "NOS" mode. The DSP 1 includes two distinct operating modes. This new DSP makes it possible to get rid of the noise problems related to the NOS mode by keeping its advantages in terms of musical pleasure thanks to a filter of -6dB non destructor.

Mode 1 favors the speed of data transfer, the second allows the processing of DSP FIFO with algorithm. The result is a great musicality thanks to an exceptional dynamic and an extremely detailed rich sound.

HIGH FIDELITY in the way Audio-GD

24 bit / 192kHz / 8x PCM1704UK / AMANERO / ACSS

This HE-7 NOS is designed around 8 converters PCM1704UK which work in parallel of a discrete circuit purely symmetric Class-A ACSS without any PDO with separate power supply.

It features no less than 4 R-Core transformers for a total of 295W, 95,000uF of high-end Nover capacitors, and high-performance Dale resistors.

Audio-GD HE-7


Audio-GD has its own technology signature called ACSS for "Audio-GD Current System Signal". Thanks to the expertise and know-how of the firm, this technology offers a less colored, more detailed sound, and an unparalleled neutrality.

Chaque engineer technician of the brand is, in addition to being experienced, a passionate of HiFi and Audio like you and us. That is, when the ACSS output is used, the XLR and RCA outputs go to MUTE.

8x PCM1704UK

These 8 digital analog converters make use of the recognized and confirmed "R2R conversion". The latter consists of directly using the bits of the digital signals to reconstruct theall by acting on a network consisting solely of resistors having a given value (R) and its double (2R), without going through an over-sampling phase.

Test Audio-GD HE-7

Test Audio-GD HE-7

To demonstrate how unique and inimitable this Symmetric DAC is, find a complete test on Homecinema-en: DAC Audio-GD HE7 Test . We achieve perfection with this Audio-GD HE-7, this test is an additional proof. brings together a very large community of HiFi enthusiasts and enthusiasts.

SNR> 120dB
Frequency Response (XLR)20Hz - 20kHz (-0.1dB)
Max Output Level5V (XLR) / 2.5V (RCA)
Output impedance10Ω
Input sensitivity0.5Vp-p (Coaxial 75Ω) / 19dBm (Optical)
Supported sampling ratesBNC up to 96kHz / Coaxial and AES up to 192kHz / Optical up to 96kHz / I2S via RJ45 up to 192kHz
<inputs/ Td>BNC / XLR (AES-EBU) / Coaxial / RCA / Toslink optics / I2S via HDMI / USB Amanero
Housing material100% Aluminum
Dimensions430 x 450 x 152mm
Digital displayYes
AccessoriesPower cable
Data sheet
InputI2S via HDMI
InputUSB Amanero
Max sampling rate192kHz
Components / ChipPCM1704UK
ClassClass A / AB
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Date :
Audio GD HE-7 NOS DAC Symétrique ACSS 8xPCM1704 24bit/192kHz USB AMANERO HDMI
Commandé le 10/01/2019 ,mise en service le 16/01/2019...
Comment pouvoir décrire correctement le ressenti à l'écoute d'un tel D.A.C ...
Tout d'abord mon matériel hifi : Ampli intégré MUSICAL FIDÉLITÉ M6I ---
Ordinateur LENOVO pour la musique dématérialisée (FOOBAR et JRiver )----Lecteur de CD (vintage) T.E.A.C V.R.D.S 10 SE ----jonction U.S.B entre l'ordi et le D.A.C avec le câble U.S.B fourni ...A ce jour (28/01/2019) après environ 40 heures de fonctionnement ... JAMAIS JE N'AI EU AUTANT DE PLAISIR MUSICALEMENT PARLANT!!! C'EST TOUS SIMPLEMENT GÉNIAL...Pas déçu de mon achat...Pour ce qui en ont les moyens financier...Mon achat à été fait sans pouvoir écouter ce HE-7 NOS ; J'ai fait confiance au compte rendu des uns et des autres concernant cette marque peut connue, MERCI AUDIO G.D ainsi qu'à AUDIOPHONICS
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This HE-7 symmetrical DAC incorporates the quintessence of Audio-GD technologies. Indeed, it benefits from a symmetrical design and a...

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