Atoll IN50 Signature

$1,599.00
$1,599.00
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Integrated Amplifier

The Atoll IN50 Signature is an entry-level audiophile integrated amplifier designed and handcrafted in Brecey, France. Known for its analog-first design philosophy, it focuses heavily on high-grade discrete components, robust power delivery, and modular expandability rather than loaded out-of-the-box digital features.

  • Estimated delivery: Sep 20 - Sep 24

  • Free shipping on all orders over $125

The Atoll IN50 Signature is an entry-level audiophile integrated amplifier designed and handcrafted in Brecey, France. Known for its analog-first design philosophy, it focuses heavily on high-grade discrete components, robust power delivery, and modular expandability rather than loaded out-of-the-box digital features.

Key Features & Design Highlights

  • MOS-FET Output Stage: Uses a single push-pull MOS-FET power stage per channel, which delivers dynamic, tube-like warmth coupled with solid transient response.

  • Discrete Analog Topology: The signal path utilizes discrete components with double-sided nickel/gold-plated circuit boards and high-grade MKP link capacitors.
  • Pre-Out & By-Pass Flexibility: Includes 2 pre-amp outputs (ideal for adding a powered subwoofer or bi-amping) and a direct BY-PASS input, allowing the IN50 Signature to act as a pure power amplifier in a home theater setup.
  • Volume & Construction: Equipped with an ALPS motorized volume potentiometer and a thick 4 mm brushed aluminum front panel.
  • Modular Expansions: The baseline unit is purely analog, but it features internal expansion slots for optional add-ons:
    • Phono Stages: Optional internal boards (P50 for MM or P100 for MM/MC).
    • Digital DAC Boards: Optional internal boards (DA100 with Optical/Coaxial inputs or DA200 which adds Bluetooth and USB-B PCM/DSD support).