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Photos and specs Stereo amplifier Atoll IN 400

Review and test Stereo amplifier Atoll IN 400
  • Stereo amplifier Atoll IN 400
  • Stereo amplifier Atoll IN 400
  • Stereo amplifier Atoll IN 400
  • Stereo amplifier Atoll IN 400

Description stereo amplifier, Atoll IN 400



Stereo integrated amplifier Atoll IN 400 is part of a series of High-End components Gamme. This machine has the uncompromising quality of design, and has the sound of audiophile class.


The amplifier is manufactured on a steel chassis with a thickness of 2 mm, which provides reliable protection of electronic circuits against external mechanical impacts. Front panel Atoll IN 400 is made of aluminum plate 10 mm thick, and has an unusual shape though, like his body. It is caused not only by following the overall stylistic concept of the series, but in that it is able to provide the best counter the spread of vibrations. The cooling radiators of the output transistors have a special geometry for the most efficient heat dissipation, and ensure reliable operation of the amplifier at any volume listening.


The amplifier circuit 400 is made Atoll IN the dual mono, with complete separation of the stereo channels. The amplifier has independent volume controls for each channel, as well as dual grounding scheme "star". In the audio path of the amplifier is established only selected components audiofilter class, and a toroidal transformer in the power supply has a capacity of 1015 VA. The total capacitance of filter capacitors is UF 93400. The output of each amplifier is mounted on four (in each arm) vysokooktanovyh transistor.


Atoll IN 400 develops 160 watts per channel when you connect an 8 Ohm speaker systems, increasing this metric up to 2 x 300 W into 4-Ohm speakers. The phone has four line inputs, input/output for connecting a recording device, the input By-Pass operation in the multi-channel surround sound. Also has one balanced XLR input, and the output from the preamp. To connect the speaker system provides superior gold-plated screw connectors. Also the amplifier Atoll IN 400 equipped with a USB input for connection to PC. Optionally the unit can be installed Board MM/MC-Phono stage.


Atoll IN 400 equipped with a fully functional remote control, and is equipped with a display with switchable light color, showing the main modes of its operation.



Features stereo amplifier Atoll IN 400



The balanced input
USB input
The outputs from the preamp
The remote control included


Characteristics of the stereo amplifier Atoll IN 400

Power2 x 160 watts (8 Ohms)
2 x 300 W (4 Ohms)
Frequency range5 Hz - 100 kHz
Sensitivity100 mV
Input impedance220 Ohm
The signal-to-noise100 dB
THD0.05% of
Capacitance93400 UF
Connectors5 x RCA input, input By-pass, 2 pre-output for subwoofer, 2 x output on acoustics, balanced audio XLR connectors, USB connector (B type), headphone output (3.5 mm)
Sizes440 x 330 x 130 mm
Weight20 kg

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