Atoll IN400 EVO integrated amplifier

160 W/8 Ohms

Power supply 1015 VA

XLR input

Made in France

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Manufacturer : ATOLL ELECTRONIQUE

4 890,00 €

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Description

Atoll, the Normandy-based manufacturer of top-of-the-range electronics, is offering a remarkable excursion into the high-end with its 400 series, which is represented by 5 products including this new IN 400 EVO integrated amplifier.

ATOLL IN400 EVO: FRONT PANEL

The Atoll IN400 EVO integrated amplifier has swapped its original half-lone front panel for a much more traditional finish. The traditional front panel is cut from 10mm thick anodised aluminium (Silver or Black)! The chassis is made of 2mm-thick steel. The side heatsinks are machined from solid blocks of aluminium to absorb mechanical vibrations and ensure perfect heat dissipation from the power transistors. Including the weight of the board and the power transformer, the IN400 EVO weighs in at close to 20kg on the scales!

In the centre of the front panel is a window housing a low-power blue OLED display. On either side is a large, solid aluminium potentiometer: the one on the right controls volume (by turning) and balance (by pressing), while the one on the left controls source selection (by turning) and M/A (by pressing). It should be noted that there is backlighting around these two buttons, which can be set to red, blue or violet.

In addition to the buttons, there is a 6.35mm headphone jack on the front panel.

The remote control is complete and includes all the functions as well as some of the manufacturer's other products (CD players, DACs, etc.).

ATOLL IN400 EVO: REAR PANEL

On the back, the Atoll IN400 EVO offers a total of 5 analogue inputs, one of which can accept an optional Atoll MM/MC P100 phono card. In addition, two balanced inputs in female XLR format have been added.

This bipolar balanced stage is made entirely from discrete components with very low tolerances. These inputs are complemented by 2 pre-outputs, a By-Pass and a Tape Out.

The IN400 EVO integrated amplifier can also be fitted with an optional Atoll DA 200 digital card featuring a PCM DAC: 32 bits - 768kHz! It is accessible via 6 digital inputs: 2 coaxial, 2 optical and one USB-B. Note that the USB DAC is a USB XMOS: XHRA-2HPA with a program specifically developed for Atoll.

At each end of the chassis are new HP terminal blocks machined from tellurium copper specially for Atoll. They allow the connection of HP cables fitted with banana plugs or forks.

ATOLL IN400 EVO : CARACTÉRISTIQUES

The internal architecture is impressive! The chassis is as full as an egg! This Atoll amp is totally dual-mono. Even the star grounds are differentiated for each channel.

The IN400 SE is powered at its centre by a huge toroidal transformer of over 1000 VA! Filtering is carried out by 12 chemical capacitors dedicated to audio, with a total capacity of over 93400 µF! The analogue stages are fitted with shielded MKP Mundorf capacitors.

It's also worth noting that the internal wiring of the speaker outputs is made with top-of-the-range silver and Teflon speaker cable.

Each component has been selected by listening and the schematic optimised in order to fine-tune the polarisation currents and the feedback rate.

ATOLL IN400 EVO : INSTALLATION

Handling this integrated amplifier is a ‘physical’ experience... More than 19 kg in such a small volume is quite impressive! And that's saying a lot for the build quality.

Its compact dimensions make it easy to install, so there's no need for custom-made furniture. All it needs is a solid cabinet.

Its power handling means it can be used with Hi-Fi speakers, even if they are reluctant, and worth 2 or 3 times its price!

ATOLL IN400 EVO: TESTING AND LISTENING

After 48 hours of powering and at least forty hours of running-in, the Atoll IN300 integrated amplifier sounds quite different from its little brother.

Of course, we find the transparency and dynamics that have made the brand so successful, but there's also a feeling of substance and presence that's unprecedented for this manufacturer. And we're not talking, of course, about the ‘roundness’ or fatness of certain vintage or typical electronics. We're talking about an obvious, reassuring neutrality, combined with a certain quiet strength and mastery of all registers.

It also offers a beautiful soundstage that remains precise and stable. We like the fact that it deliberately shows no exuberance, whatever the sound level at which it is called upon.

We also note that this integrated amplifier shows a great deal of nuance and subtlety, whereas the Atoll IN300 is more ‘raw’. Its comfortable power and high current allow it to control just about any loudspeaker on the market, even the most recalcitrant.

Definition and precision are, of course, the order of the day. No register is drowned in noise or distortion. Even in complex passages, the IN400 EVO is remarkably easy to read.

The possibility of adding an Atoll P100 phono card seems to us a little ridiculous on such a product. The IN400 SE will need to be combined with a quality phono preamp and a vinyl turntable of the same level to exploit its qualities to the full!

The Atoll IN400 EVO integrated amplifier is designed for true hi-fi enthusiasts and music lovers looking for a product that doesn't cheat and offers remarkable musicality and reproduction! Its near-perfect balance makes it a reference in this price range.

A real favourite!

Franck

Puissance sous 8 ohms : 2 x 160 w/8 Ohms

Bande passante : 5 Hz -100 000 Hz

Rapport signal/bruit : 100 dB

Sensibilité : 100 mV

Impédance d’entrée : 220 kOhms

Taux de distorsion : <0,05%

Entrées line : 4

Tape : in/out

Bypass : 1 x RCA

Sortie casque : 6.35mm

Sortie préampli : 2 pour bi-amplification

Sortie trigger : 12V

Total capacitif : 96 680 uF

Transformateurs : 2 x 440 VA + 10 VA

Télécommande : oui

Options : Carte numérique DA 200, Phono P100

Poids : 19.5 kg

Dimensions : 440 x 365 x 103 mm

Banc d'essai - Vumètre

0.66 Mo - pdf

Banc d'essai - Stereo

0.64 Mo - pdf

Banc d'essai - Haute-Fidélité

0.42 Mo - pdf

Awards

Awards

Haute Fidélité

Meilleur Achat

The Absolute Sound

Best Buy
Customer reviews
(1 review)

Customer reviews

5/5
01/16/2022

Très bon achat

Venant d’un ATOLL IN 300 qui est en excellent ampli, avec un très bon rapport qualité/prix, je suis passé à la gamme supérieure avec un IN 400 SE , je suis vraiment conquis par cet appareil qui est très musical, raffiné, élégant ,réaliste avec beaucoup d'énergie , ce qui correspond à ce que m'a dit FRANCK lors de mon appel téléphonique.
Merci à toute l'équipe pour tous les bons conseils lors de mes achats.
Michel B

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Atoll IN400 EVO integrated amplifier

Atoll IN400 EVO integrated amplifier

160 W/8 Ohms

Power supply 1015 VA

XLR input

Made in France

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