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ATOLL IN400 EVO
Integrated high-end amplifier with 2×160 W into 8Ω (300 W into 4Ω).
Steel chassis, aluminium front and heatsinks
2 XLR, 5 RCA, BYPASS, headphone output and 12V trigger
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The IN400 EVO is an integrated amplifier renowned for its musical capability and optimized design for superior musicality. Its structure combines technical and aesthetic details that maximize sound quality. The chassis is built from 2 mm steel with a 10 mm front aluminum panel that is brushed, shot-blasted, and anodized, featuring high-precision engravings to ensure outstanding robustness and aesthetics. The side heat sinks, crafted from solid aluminum blocks, are designed to absorb mechanical vibrations and ensure excellent thermal dissipation.
General Features
- 10 mm brushed, shot-blasted, and anodized aluminum front panel with precision engraving.
- Heat sinks and buttons made of billet aluminum.
- 2 mm steel chassis.
- Two toroidal transformers: 1050 VA for audio stages and 1.6 VA for control logic.
- Fully dual-mono design with separate windings for circuits.
- Dual volume control with one attenuator per channel, using switched resistors.
- Input stages with bipolar transistors.
- Current sources with bipolar transistors and LEDs to ensure perfect voltage stability.
- Driver stages with Darlington transistors.
- Symmetrical, low-feedback audio stages.
- Power stages with MOS-FET transistors (8 per channel), rigorously tuned.
- Precise balance adjustment with memory option.
- Selectable standby mode: low power or preheating.
- Configurable backlit buttons.
- High-contrast OLED display with an automatic shutdown option after 5 seconds of inactivity.
- ATOLL universal remote control included.
Connectivity
Inputs:
- 2 XLR inputs.
- 5 line inputs: AUX or PHONO (optional), CD, TUNER, DVD, TAPE.
- 1 BYPASS input.
Outputs:
- 1 12 V trigger output.
Optional DA200 Digital Board:
- 2 optical inputs (24-bit/192 kHz).
- 2 coaxial inputs (24-bit/192 kHz).
- 1 asynchronous USB input (24-bit/192 kHz).
- 1 Bluetooth input.
Other:
- 6.35 mm headphone connector.
Technical Specifications
- Output power: 2×160 W RMS at 8Ω, 2×300 W RMS at 4Ω.
- Total capacitor capacity: 96,680 µF.
- Bandwidth (-3 dB): 5 Hz – 100 kHz.
- Slew rate: 2 µs.
- Input impedance: 357 kΩ.
- Sensitivity: 450 mV.
- Signal-to-noise ratio: 100 dB.
- Distortion at 1 kHz: 0.05%.
- Standby power consumption (low power): <0.5 W.
- Dimensions: 440×370×130 mm.
- Weight: 19.5 kg.
Additional Options
- Optional DA200 digital board.
Interface and Control
- Balance adjustment.
- Low-power OLED display.
- Serial remote control allowing the management of all ATOLL products: integrated amplifiers, CD players, tuners, and DACs.
- Available in black or natural aluminum finishes.
The IN400 EVO is designed to provide an exceptional musical experience with customization options to meet the needs of the most discerning audiophiles.
8038000006
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