Atoll Electronique IN400 Evolution – New Integrated Amplifier
25.01.2025 06:16 | ~1 minute read
French audio equipment manufacturer Atoll Electronique has updated many of its component lines – among the announcements is the integrated amplifier Atoll Electronique IN400 Evolution. The model offers a power of 2 x 160 W at 8 Ohm load and 2 x 300 W at 4 Ohm and offers a number of very interesting engineering solutions.
Atoll Electronique IN400 Evolution uses a pair of toroidal transformers - 1050 VA for the audio section and 1.6 VA for the control systems. High-quality shielded capacitor section has a capacity of 96,680 µF. The model is built in a dual mono configuration and has separate windings for the channels with one attenuator per channel (with switched resistors).
Atoll Electronique IN400 Evolution is based on bipolar transistor input stages, darlington transistor driver stages, and MOS-FET transistor power stages (8 per channel). The upgrade option includes installation of DA200 digital board module with 2 optical inputs, 2 coaxial inputs, 1 asynchronous USB input, and Bluetooth streaming.
Specifications
This product is in the Hi-Fi and High End Electronics and Acoustics database
Integrated amplifiers — Atoll Electronique IN400 Evolution
Model name
IN400 Evolution
Type
Integrated amplifier
Analog inputs (balanced)
2
Analog inputs (single-ended)
5
Input sensitivity (mV)
450
Input impedance (balanced) (Ω)
357000
Input impedance (single-ended) (Ω)
357000
Output impedance (balanced) (Ω)
N/A
Output impedance (single-ended) (Ω)
N/A
D/A conversion
N/A
Phono MM/MC current-sensing input impedance (Ω)
N/A
Output power (8Ω) (W)
2 x 160
Output power (4Ω) (W)
2 x 300
Gain (dBu)
N/A
Frequency response low +/- 3dB (Hz)
5
Frequency response high +/- 3dB (Hz)
100000
Signal to Noise Ratio (dB)
100
Total Harmonic Distortion + Noise (%)
0,05
Damping factor
N/A
Dimensions (mm)
440×370×130
Weight (kg)
19.5
Official link
More content
Beogram 4000c Series Saint Laurent Rive Droit Edition – Super-Exclusive Turntable
Bang & Olufsen and Saint Laurent have unveiled a super-exclusive version of the Beogram 4000c turntable – a Bang & Olufsen factory-restored iconic turntable reimagined by the fashion house. Each Beogram 4000c Series Saint Laurent Rive Droit Edition will be sold exclusively at Saint Laurent Rive Droite stores in Paris and Los Angeles, as well as on the YSL and Bang & Olufsen websites, and only 10 units will be produced (the device will likely soon become a museum artifact).
Matrix Audio NT-1 and TT-1 – New Upper Echelon Network Streamers
Matrix Audio has introduced two new network streamers with transport functionality – devoid of a digital-to-analog converter and designed for use with external DACs. Both models are designed in a recognizable futuristic aesthetic and are equipped with large touch screens on the front panel. The streamers are also Roon certified.
SMSL PL200T – CD transport with USB DSD streaming support
SMSL presented the SMSL PL200T CD transport – the highlight of the model was the proprietary SMSL PASS Servo system, which ensures very accurate reading of information from optical media. The SMSL PL200T also has the ability to play MQA-CDs and a very interesting function of working as a digital transport - the device can be used as a digital interface with a USB-C input, supporting digital streams in PCM format with a resolution of up to 32 bit/768 kHz and in DSD format up to DSD512.
Børresen Unveils Six New Floorstanding Speakers in T Series
Børresen has announced significant changes to its range of loudspeakers - the new Børresen T series of loudspeakers, consisting of three models of different sizes (T1, T3 and T5) and three upgraded SSE (Silver Supreme Edition) versions, will replace the Børresen 0 series in the company's product range.
Accuphase A-48S – Current Feedback Topology Amplifier
The current feedback amplification topology and powerful power supply of the new Accuphase A-48S amplifier provides a large reserve and stable output in pure Class A. For a load with an impedance of 8 ohms, 50 watts are available, and halving the load impedance doubles the output power. With a short-term drop in load impedance to 1 ohm, the amplifier is capable of delivering a power of 400 watts.
