Atoll HD100 / HD120 Headphone Amplifier and DAC

The HD100 and HD120 are headphone amplifier, preamplifier and DAC combinations from Atoll Electronique with three linear transformers, an ALPS analog volume control and class A preamp stages. The HD100 can drive two headphones in parallel. The HD120 adds Bluetooth.

A preamp output allows use with the Atoll MA100 or other power amplifiers.

Specifications

• Inputs: 2 line, 1 coaxial, 1 optical, 1 USB-B, all 24-bit/192 kHz; Bluetooth on the HD120 only
• Outputs: preamp RCA, 12 V trigger, headphone outputs at 1 ohm
• DAC: Burr-Brown PCM5102
• Headphone power: 1.4 W into 32 ohms
• THD: under 0.01%
• Bandwidth: 1 Hz to 150 kHz
• Dimensions: 320 x 225 x 63 mm
• Weight: 3 kg