The integrated amp-preamp IN300 Evolution stands out with its unique features: We meticulously select the finest components to deliver the pinnacle of sound performance. Our 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.
TECHNICAL DATA
Power in Wrms/channel/8Ω (230v): 150 W
Power in Wrms/channel/4Ω (230v): 260 W
Power supply: 2×440 VA + 10 VA
Total of capacitors: 86 150 µF
Number of inputs: 5+1 BY-PASS
Consumption with switch off: 0 W
Consumption in standby (low consumption): <0.5 W
Consumption in preheating mode: 27 W
Consumption in operation: 29 W – 700 W
Input impedance: 220 kΩ
Maximum input level: 3.5 Vrms
Sensitivity: 450 mV
Signal/noise ratio: 100 dB
Distortion at 1 kHz: 0.05% / (10 W)
Bandwidth: 5 Hz – 100 kHz
Rise time: 2.0 µs
Dimensions: 440×365×103 mm
Weight: 16 Kg
CONNECTIVITY
Line 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.
1 USB-B input
DAC converter: AKM – AK4490 / PCM: 32 bits – 768 kHz
Built-in converter: Asynchronous USB input, PCM & DSD decoding.
DSD: 2,8 MHz/5,6 MHz
1 Bluetooth receiver (data conversion by AKM – AK4490).
Outputs
1 Pair of loudspeaker outputs.
2 Pre-out outputs.
1 Headphone output Ø 6,35 mm.
1 Trigger output (12V).
DETAILED 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.


















