150 W (8Ω) integrated amplifier with high-quality design and versatile connectivity.
5 analogue inputs, BY-PASS, XLR, 2 coaxial, 2 optical, USB-B with DAC, Bluetooth
Outputs: loudspeakers, preamplifier, headphones, 12 V trigger
Power consumption up to 700 W, bandwidth 5 Hz - 100 kHz
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The IN300 Evolution integrated amplifier is crafted with a detailed approach, employing the highest quality components to deliver exceptional sound performance. The meticulous pursuit of excellence includes ATOLL's patented circuit designs, conceived to preserve the purity of the most delicate musical signals.
General Features
- 8 mm aluminum front panel, brushed, micro-blasted, and anodized, with precise engraving.
- Power: 2×150 W RMS at 8Ω.
- 2 mm steel chassis.
- Two 440 VA toroidal transformers dedicated to audio stages and one 10 VA transformer for digital stages.
- Gradual startup system to prevent power surges.
- High-end ABSOLUE CREATIONS power cable.
- Filter capacitors: 12×6800 μF, high quality and low ESR, specifically designed for ATOLL.
- High-grade shielded MKP coupling capacitors.
- Current sources with bipolar transistors and LEDs to maintain voltage stability.
- Triple MOS-FET power stage in push-pull configuration.
- Output stages biased in class A/B.
- Selectable standby mode between low power and preheating.
- Dual volume control with two attenuators (one per channel) to maintain dual mono architecture.
- Balance adjustment with memory capability.
- Input renaming feature.
- High-contrast OLED display with automatic shutdown after 5 seconds of inactivity.
- Double-sided circuit boards with nickel and gold finishes.
- ATOLL universal remote control included.
- Compatible with optional DA100 and DA200 cards, and phono cards P50 and P100.
Technical Specifications
- Output power at 8Ω (230v): 150 W per channel
- Output power at 4Ω (230v): 260 W per channel
- Power supply: 2×440 VA + 10 VA
- Total capacitance: 86,150 µF
- Inputs: 5 + 1 BY-PASS
- Power consumption when off: 0 W
- Standby consumption (low power): <0.5 W
- Preheating mode consumption: 27 W
- Operating consumption: 29 W – 700 W
- Input impedance: 220 kΩ
- Maximum input level: 3.5 Vrms
- Sensitivity: 450 mV
- Signal-to-noise ratio: 100 dB
- Distortion at 1 kHz: 0.05% (at 10 W)
- Bandwidth: 5 Hz – 100 kHz
- Slew rate: 2.0 µs
- Dimensions: 440×365×103 mm
- Weight: 16 kg
Connectivity
Analog Inputs
- 5 line inputs (including 1 AUX for optional PHONO card).
- 1 BY-PASS input.
- 1 XLR input.
Digital Inputs
- 2 coaxial inputs.
- 2 optical inputs.
Digital Conversion (DAC)
- USB-B input DAC converter AKM AK4490: PCM support up to 32 bits and 768 kHz.
- DSD decoding: 2.8 MHz and 5.6 MHz.
- Bluetooth receiver with data conversion via AKM AK4490.
Outputs
- 1 pair of speaker outputs.
- 2 preamp outputs.
- 1 headphone output (6.35 mm).
- 1 12 V trigger output.
This amplifier exemplifies advanced sound engineering and high-quality design, achieving outstanding musicality and versatile connectivity options.