Atoll IN300 EVO Integrated Amplifier
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Atoll IN300 EVO Integrated Amplifier
The Atoll IN300 EVO integrated amp-preamp stands out with its unique features: We meticulously select the finest components to deliver the pinnacle of sound performance. Atoll's relentless pursuit of perfection is evident in the design of our exclusive ATOLL circuits, which safeguard the integrity of even the most delicate musical signals.
Features
- 8 mm brushed, micro-blasted and anodized aluminium front panel, high-precision engraving.
- 2×150 Wrms / 8Ω.
- 2 mm steel chassis.
- Two 440 VA toroidal transformers for the audio stages plus 10 VA for the digital stages.
- Soft start stage to avoid consumption peaks.
- High-end ABSOLUE CREATIONS cable on the mains part.
- Filter capacitors: 12×6800 μF high quality, with low ESR specific for ATOLL.
- High-quality and shielded MKP link capacitors.
- Current sources with bipolar transistors and LEDs to ensure perfect voltage stability.
- Triple push-pull MOS-FET power stage.
- Polarization of the output stages in class A/B.
- Possibility of choosing standby mode: Low consumption or preheating.
- 2 volume attenuators: 1 per channel to maintain the dual mono architecture.
- Possibility to manage balance and memorize it.
- Possibility to rename the inputs.
- High contrast OLED display (on or off mode after 5 seconds of inactivity).
- Double-sided printed circuits with nickel/gold finish.
- ATOLL global remote control supplied as standard.
- The IN300 EVO can receive the following optional boards:
- DA200.
- P50 and P100.
Atoll's balanced MOS-FET amplifier circuits offer excellent harmonic gradients and have no memory effect. Every moment, the current is immediately delivered to your speakers. This is one of the secrets of the musicality that ATOLL amplifiers enjoy.
Technical Characteristics
Output Stages
- Double mono stages with 2 toroidal transformers of 440 VA.
- Specific low-consumption power supply (5VA) for managing the display and logic circuits.
- High-quality, low-ESR filter capacitors are made to ATOLL specifications.
- Output stages with very little feedback provide a lot of dynamics and a very natural sound.
- Specific stages to avoid current peaks on ignition.
- High-end specific internal power wiring.
Input Stages
- MKP Mundorf shielded capacitors.
- Volume by double attenuator: 1 per channel.
- Bipolar symmetric stages with discrete components.
Specifications
| Line Inputs: | 5 line-level inputs (including 1 AUX for optional phono card), 1 BY-PASS input, 1 XLR input. |
| Digital Inputs: | 2 coaxial inputs, 2 optical inputs, 1 USB-B input. |
| DAC Converter: | AKM AK4490; PCM: 32-bit/768 kHz; asynchronous USB input with PCM and DSD decoding. |
| DSD Support: | 2.8 MHz and 5.6 MHz. |
| Bluetooth Receiver: | Included, with AKM AK4490 for data conversion. |
| Outputs: | 1 pair of loudspeaker outputs, 2 pre-out outputs, 1 headphone output (6.35 mm), 1 trigger output (12V). |
| Power Output: | 150 W/channel at 8Ω; 260 W/channel at 4Ω. |
| Power Supply: | Dual 440 VA transformers + 10 VA; total capacitance: 86,150 µF. |
| Consumption: | Off: 0 W; standby: <0.5 W; preheating: 27 W; operation: 29–700 W. |
| Input Impedance: | 220 kΩ. |
| Maximum Input Level: | 3.5 Vrms. |
| Sensitivity: | 450 mV. |
| Signal-to-Noise Ratio: | 100 dB. |
| Distortion: | 0.05% at 1 kHz (10 W). |
| Bandwidth: | 5 Hz – 100 kHz. |
| Rise Time: | 2.0 µs. |
| Dimensions: | 440×365×103 mm. |
| Weight: | 16 kg. |
| Optional Features: | Configurable phono stages: P100 (MM/MC) or P50 (MM). |
| Built-in Converter: | AKM AK4490: S/N 120 dB; dynamic range 120 dB. |
| PCM Support: | 16-bit to 32-bit PCM streams up to 384 kHz on USB-B; up to 24-bit/192 kHz on coaxial/optical. |
| USB Interface: | XMOS XUF208, optimised for asynchronous playback with specific software. |
| Driver Requirement: | USB input requires a driver for Windows (not needed for macOS/Linux). Download: XMOS-Stereo-USB-Audio-Class2-Driver-30BB_v4.13.0.exe. |
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