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Review and test Amplifier Atoll IN 100SE
  • Stereo amplifier Atoll IN 100SE
  • Stereo amplifier Atoll IN 100SE

Description of Atoll IN 100SE stereo amplifier

Model Atoll IN 100SE refers to the initial component level of High-End and its characteristics second only to the flagship in a full line of amplifiers company Atoll Electronique. The unit received a recommendation from Stereophile magazine.


The amplifier design is quite distinctive. Aluminum front thickness of half a centimeter accommodates a large handle of motorized volume control, includes potentiometer ALPS. To the right is a mini-Jack for headphones, a power button with indicator and two vertically arranged buttons allowing you to select one of the required inputs. Switching is provided by relays, and the execution of six semi-circle of green LEDs.


Atoll IN 100SE different from their younger brothers increased power handling – 100 watts per channel (at 8 Ohms). The channels are fed from two massive toroidal transformers with a power of 330 W each, located in the left side of the hull. The total capacitance of 30,000 UF PSU equal. In circuits used polypropylene capacitors MKP. The preamplifier circuits include bipolar transistors, and the output stage are equipped with high-current MOSFET-transistors.


There is a standard set of inputs: four RCA, an input for monitoring the recorded material, as well as RCA connectors, marked as BY-PASS, which provides direct access to the terminal section of the amplifier. A connectors for recording and two PRE-OUT. To connect acoustics there are only two pairs of screw terminals.


Can be optionally installed Board Phono stage. In the company's catalog contains the following models correctors for interior installation – P50 (for MM-heads) or P100 (for MM/MC head).


Thanks to the powerful power supply, sophisticated circuit design and high quality element base Atoll IN 100SE provides excellent resolution in the midrange, expressive and detailed high frequencies, and fast articulated bass. Built in space soundscapes with incredible realism. The model is quite dynamic, well balanced and able to affect the naturalness of voices.


Features of the Atoll IN 100SE stereo amplifier


Power 100 watts per channel (at 8 Ohms)
MOSFET transistors in the output stages
Two toroidal transformers in the power supply
Direct access to the terminal section of the amplifier
The remote control included


Characteristics of the Atoll IN 100SE stereo amplifier

Rated output power100 W per channel (8 Ohms), 140 W (4 Ohm)
Pulse power180 W
Input sensitivity/input impedance100 mV/47 kOhm
Frequency range5 Hz - 100 kHz
The signal-to-noise100 dB
Inputsfive RCA, one BY-PASS (RCA) for direct access to the target cascade of the amplifier
Outputsmini-Jack for headphone, RCA for recording, two pre out PRE OUT (RCA)
The Phono stageoptional; to be installed inside the amplifier are recommended proprietary modules RIAA-correctors P50 (for MM cartridges) or P100 (for MM/MC cartridges)*
The power supplytwo toroidal transformers with the total capacity of 660 VA, the total capacity of the buffer capacitors – 30 000 µf
The speakertwo pairs of gold plated screw terminals
Dimensions (WxHxD)440x90x270 mm
Weight10 kg

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