AUDIO-GD HE-1 MK2 Class-A Balanced Preamplifier ACSS XLR RCA

AUDIO-GD HE-1 MK2 Class-A Balanced Preamplifier ACSS XLR RCA New

Again Audio-GD strikes hard with its HE-1 MK2 of the series HE (evolution MASTER series) proposing a symmetrical Class A preamplifier of an exceptional quality.

KEY POINTS:

  • preamplifier
  • Class A
  • symmetrical
  • ACSS

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Audio-GD HE-1 MK2

Class-A Balanced Preamplifier ACSS XLR RCA

Audio-GD HE-1 MK2 Préamplificateur class A symétrique ACSS XLR RCA

One of the best preamplifiers in the world...

Audio-GD presents us once again the quintessence of technology in audio with the HE series products (here the HE-1 MK2), 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 best technicians of the firm offer them to us here under the most accomplished form with outstanding performances.

What's new in the MK2 version

This MK2 version of the HE-1 adds some new features to improve the sound performance with a more detailed and dynamic sound, but also new features:

  1. Two gain modes to fit many amplifiers.
  2. Dual volume control to perfectly match the different output levels of your sources.
  3. The two modules for the left and right channels are now completely identical and are factory matched for perfect sound consistency.


An impeccable interior and connectivity

It has no less than 5 analog inputs to meet all needs: 2x RCA / 2x XLR / 1x ACSS, alongside 3 analog outputs: XLR / RCA / ACSS. A great musicality thanks to an exceptional dynamic and a rich and extremely detailed.

Each Audio-GD product is scrupulously tested with one of the most powerful systems in the world: the Audio Analyzers 2700 Series from Audio Precision.

Arrière Audio-GD HE-1 MK2 Préamplificateur Class A symétrique ACSS XLR RCA

HIGH FIDELITY the Audio-GD way

Class A / Balanced / ACSS / XLR / RCA / R-Core

This HE-1 MK2 preamplifier is designed around a purely balanced discrete Class A ACSS circuit, without any separate power supply. This avoids any 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 70W. It also has 100.000uF of high quality Nover capacitors.

Audio-GD HE-1 MK2 Préamplificateur Class A symétrique ACSS XLR RCA
ACSS

ACSS

Audio-GD has its own signature technology called ACSS for "Audio-GD Current System Signal". Thanks to the expertise and know-how of the firm, this technology offers a sound less colored, more detailed, and of a neutrality without equivalent.

Each technical engineer of the brand is, in addition to being experienced, a HiFi and Audio enthusiast like you and us. To know, when the ACSS output is used, the XLR and RCA outputs are switched to MUTE.

Specifications
SNR> 130dB
THD< 0.0005%
THD+N< 0.0025%
Frequency response (XLR)20Hz - 100kHz (< 4dB)
Volume control by potentiometer100 steps
Exponential curve
GainHigh : +16dB
Low : +6dB
Max output levelXLR : 19V
RCA : 9.5V
ACSS : 6mA
Input impedanceXLR : 94kΩ
ACSS : <5Ω
Output impedanceXLR : 10Ω
ACSS : > 10MΩ (ACSS)
Crosstalk< -130dB
Transformers power260W (3 transformers)
General
Consumption50W (Class A)
Weight20kg
Housing materialAluminum
ColorBlack
Dimensions430 x 485 x 123mm
Digital displayYes
AccessoriesPower cable
 
Data sheet
InputXLR
InputRCA
InputACSS
OutputRCA
OutputACSS
OutputXLR
ColorBlack
ClassClass A / AB
Remote ControlYes
 
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AUDIO-GD HE-1 MK2 Class-A Balanced Preamplifier ACSS XLR RCA
Again Audio-GD strikes hard with its HE-1 MK2 of the series HE (evolution MASTER series) proposing a symmetrical Class A preamplifier of an...

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