ERATO M7 Tube Preamplifier 12AX7 / 6N4 Balanced XLR

ERATO M7 Tube Preamplifier 12AX7 / 6N4
The Erato M7 is a high-end tube preamplifier with an intelligent and meticulous design, allowing it to deliver exceptional audio performance. It integrates high-quality components in order to provide a rich sound reproduction that is faithful to the original signal.

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Erato M7

Tube Preamplifier 12AW7 / 6N4

Erato M7 Préamplificateur à Tubes 12AW7 / 6N4

The Erato M7 is a high-end tube preamplifier with an intelligent and meticulous design, allowing it to deliver exceptional audio performance. It integrates high-quality components in order to provide a rich sound reproduction that is faithful to the original signal. In addition, unlike many other preamplifiers that use conventional potentiometers, the M7 uses a resistor-switched relay attenuator. This technology is much more efficient, protecting the signal from unwanted distortion. These components are integrated in a very beautiful, solid Aluminium case.

Erato M7 Préamplificateur à Tubes 12AW7 / 6N4

12AX7 and 6N4 tubes

The M7 is based on 3 tubes. There are thus 1 tube 12AX7 and 2 tubes 6N4. These allow. These allow you to obtain a rich and precise sound reproduction, a beautiful sound image, while enjoying a certain warmth characteristic of this type of preamplification. Nevertheless, the Erato M7 offers a beautiful transparency that will seduce audiophiles in search of beautiful sound.

Power stage

The M7's power supply stage, the first stage through which the electrical signal passes, is particularly careful to provide the rest of the system with a clean signal. Thus, just after the Ac input, there is a module that drastically reduces EMI and RFI interference. The AC electrical signal is then redirected to a high quality 60W toroidal transformer. The latter is shielded to further limit the impact of interference, always with the aim of obtaining a clean signal at the output for pure sound reproduction.

Finally, the signal is filtered by high-capacity Vishay and WIMA capacitors. A fuse placed after the transformer also protects the circuits in the event of an overvoltage.

Erato M7 Préamplificateur à Tubes 12AW7 / 6N4

Connectivity

For its connectivity, the Erato M7 is simple and efficient. Indeed, there are 3 pairs of RCA (Stereo) inputs: a line input, a CD player input and a DAC input. On the output side, the preamplifier offers a pair of stereo RCAs for unbalanced output and a pair of 3-pole XLR connectors for balanced output. All connectors are gold plated to ensure both very good conductivity and excellent corrosion resistance and therefore very good durability.

Erato M7 Préamplificateur à Tubes 12AW7 / 6N4

Display and Control

The Erato M7 offers extremely simple ergonomics for a quick and efficient handling and use. There is a cm screen on the front panel, allowing you to display information about the active source. Two buttons allow you to control all the features of this preamplifier. The left button allows you to select an active source (rotation) but also to enter the setup menu (short press) or display the time on the entire screen (long press). The one on the right allows him to turn the unit on/off (long press), adjust the volume (rotation) or switch the preamplifier to mute mode (short press).

When turned on, the preamplifier display will show Warm Up and a 30s counter. This delay corresponds to the heating time of the tubes to allow you to use your device optimally. During this time the device is not yet usable.

Erato M7 Préamplificateur à Tubes 12AW7 / 6N4

Technical characteristics

Specifications
Product typeTubes preamplifier
ChannelsStereo (2)
Tubes12AX7
6N4
Attenuation-127.5dB to 0dB
Attenuation / step-0.5dB
Remote control compatibilityApple ATV3 (not included)
Inputs3x Stereo RCA (Line, CD, DAC)
Outputs1x Single-Ended Stereo RCA
1x Balanced XLR
Général
Case materialAluminium
ColorSilver
Dimensions430 x 335 x 105mm
Weight8620g
Package1x Erato M7
1x Power cable
 
Data sheet
InputRCA
OutputXLR
OutputRCA
ColorSilver
Remote ControlNo
 
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Average votes
5.0 / 5
1 reviews
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Etonnant !
On reste toujours dubitatif devant le prix mais force est de constater que l'industrie chinoise a réussi à démocratiser les produits HiFi classés haut de gamme. Couplé à mon ARC Reference 75, il assume sans complexe la pré-amplification par rapport à des marques 4 à 5 fois plus chers en lui transmettant un signal propre, traité par des composants de qualité.
Et ça devrait encore s'améliorer avec le rodage !
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This review has been posted for ERATO M7 Tube Preamplifier 12AX7 / 6N4 Balanced XLR
 
ERATO M7 Tube Preamplifier 12AX7 / 6N4 Balanced XLR
The Erato M7 is a high-end tube preamplifier with an intelligent and meticulous design, allowing it to deliver exceptional audio performance. It...

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