AUDIO-GD HE-9 2019 EDITION Balanced Preamplifier / Headphone Amplifier ACSS RCA XLR

AUDIO-GD HE-9 2019 EDITION Balanced Preamplifier / Headphone Amplifier ACSS RCA XLR
Audio-GD once again presents the quintessence of audio technology with the products of the HE series (here HE-9), an evolution of the MASTER series. They have benefited from the longest design and testing period in the history of the famous brand. Even if Audio-GD had already studied the products since 2006, the brand's best technicians offer them here in the most advanced form with outstanding performance.

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Reference : 13998
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1 991,67 €tax excl.

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Shipping date: 09-12-2019.

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Audio-GD HE-9 2019 EDITION

Preamplifier / Headphone Amplifier / Balanced

AUDIO-GD HE-9 2019 EDITION Préamplificateur / Amplificateur casque Symétrique ACSS RCA XLR

2019 Edition
Gain Setting

The HE-9 returns in a 2019 Edition, bringing a new gain adjustment feature. Indeed, the gain of the HE-9 can now be set to High and Low modes without changing the amplifier settings and therefore without affecting the sound quality. The gain control is as follows:

  • The "L" (Low) mode has a gain of 16dB, allowing headphones with a sensitivity of more than 100dB to be powered or to function as a preamplifier.
  • The "H" (High) mode has a gain of 25dB, allowing headphones with a sensitivity between 80 and 100dB to be powered.
  • Mode "S" has a gain of 31dB, allowing headphones with a sensitivity between 80 and 100dB to be powered with a low level source (available on RCA and XLR inputs).

Versatility at its best

Audio-GD once again presents the quintessence of audio technology with the products of the HE series (here HE-9), an evolution of the MASTER series. They have benefited from the longest design and testing period in the history of the famous brand. Even if Audio-GD had already studied the products since 2006, the brand's best technicians offer them here in the most advanced form with outstanding performance.

An impeccable interior and connectivity

This HE-9 has no less than 5 analog inputs to meet all needs: 2x RCA, 2x XLR and 1x ACSS, along with 3 analog outputs: XLR, RCA and ACSS. Not to mention the headphone outputs on the front panel: XLR 3 pins, XLR 4 pins and 6.35mm jack, all three stereo.

Every Audio-GD product is thoroughly tested from every angle with one of the most powerful systems in the world: the Audio Analyzers 2700 Series from Audio Precision.

Audio-GD HE-9 2019 EDITION Préamplificateur / Amplificateur casque / Symétrique

Class A / Balanced / ACSS / XLR / RCA

This HE-9 headphone preamplifier/amplifier is designed around a purely symmetrical Class A ACSS discrete circuit, without any AOP and with separate power supply. This prevents electromagnetic interference on the processed signals.

It is equipped with no less than 3 R-Core transformers for a total power of 260W and a consumption of only 95W. It also has 100,000µF of very high-end Nover capacitors and 8 transistors of 150W each for the output stage.

Audio-GD HE-9 2019 EDITION Préamplificateur / Amplificateur casque / Symétrique
AUDIO-GD HE-9 2019 EDITION Préamplificateur / Amplificateur casque Symétrique ACSS RCA XLR

ACSS

Audio-GD has its own technological signature called ACSS for Audio-GD Current System Signal. Thanks to the firm's expertise and know-how, this technology offers a less colourful, more detailed and neutral sound. When the ACSS output is used, the XLR and RCA outputs are muted.

Metal remote control

This HE-9 is delivered with its metal remote control, brushed Aluminium finish. You will find 2 buttons to switch between your different sources, as well as 3 buttons to adjust the volume: Plus / Minus / Mute. All the class and sobriety of Audio-GD can be seen in this remote control, so functional and refined is it.

AUDIO-GD HE-9 2019 EDITION Préamplificateur / Amplificateur casque Symétrique ACSS RCA XLR

Regenerative Power Supply

Audio-GD's HE series incorporates Regenerative Power Supply technology, which has been extensively tested and researched before reaching the current result, offering incredible performance. This technology uses, among other things, a separation of the power supply circuits by means of a thick aluminium plate, shielding of the main power supply circuit and a design that limits the transmission of interference between the power supply and the audio circuits. The quality of this power system is felt from the first listening with more detailed reproduction, greater dynamics, deeper bass and a wider sound stage. In addition, this technology also offers a more "analog" sound reproduction.

Technical characteristics

Specifications
Product typeHeadphone amplifier / Preamplifier
SNR> 130dB
THD< 0.0008%
Frequency response (XLR)20Hz - 20kHz @ 0dB
10Hz - 100kHz @ -0.7dB
1Hz - 320kHz @ -3dB
Max output levelXLR : 19V
RCA : 9.5V
ACSS : 4.8mA
Input impedanceXLR : 94KΩ
ACSS : < 5Ω
Output impedance10Ω
Balanced headphone output power9000mW @ 40Ω
3800mW @ 100Ω
1250mW @ 300Ω
630mW @ 600Ω
Single-ended headphone output power2500mW @ 40Ω
1050mW @ 100Ω
350mW @ 300Ω
175mW @ 600Ω
Crosstalk< -130dB
Power260W (3 transformers)
General
Consumption95W (Class A)
Weight19kg
Housing material100% Aluminium
ColorBlack
Dimensions430 x 450 x 125mm
Display
Package1x Audio-GD HE-9 2019 Edition
1x Power cable
1x Metal remote control
 
Data sheet
InputXLR
InputRCA
InputACSS
OutputXLR
OutputACSS
OutputRCA
OutputJack 6.35mm
ColorBlack
Channel2 channels (Stereo)
ClassClass A / AB
 
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AUDIO-GD HE-9 2019 EDITION Balanced Preamplifier / Headphone Amplifier ACSS RCA XLR
Audio-GD once again presents the quintessence of audio technology with the products of the HE series (here HE-9), an evolution of the MASTER...

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