Source: Press Release, Last Accessed: 2019/03/29

With the introduction of the classic Linear headphone amplifier in 2004, Lehmannaudio raised the standard for headphone amplifiers to a new level. Now, the company announced its new big brother – the Linear II. The new device is available in two versions, the Linear USB II, for users who also want to play high-resolution audio from a PC or Laptop, and the Linear D II, for users who want to upgrade their DAC performance from standard, S/PDIF digital sources.
According to the press release, the Linear II includes a totally revised analogue circuitry, featuring a discrete Class A output stage, for an open and natural sound, high-grade Low-Z Copper technology across the PCB circuitry and specially selected components, the list including oversized internal power supply and low-loss MKP precision capacitors.
For easy system matching, each Linear II model features three gain settings up-to 20dB and benefits from two Neutrik headphone sockets with gold-plated contacts, which can be used simultaneously. The left headphone output mutes the rear line-level RCA output when a headphone is connected. There is also an additional analogue RCA input for connecting analog, line-level sources.
Both models can also function as preamplifiers in a standard Hi-Fi system (when Gain is set to 0dB and no headphone is connected). With their auto-input detection and sophisticated internal layout, they offer a simple-yet-high-end solution that can easily drive long cables toward a power amplifier or active speakers, the company says.
The Linear USB II automatically detects any incoming USB audio data stream, without the need for an input selector switch. The d/a circuit utilizes an ESS Sabre K2M DAC chip, capable of 32-bit/384kHz playback and DSD support (DoP). The Linear D II version features Optical (Toslink) and Coaxial (RCA 75Ω) inputs, it automatically detects the playing audio (Optical input is prioritized) and uses the same ESS Sabre K2M DAC chip.
Both the Linear USB II and Linear D II are utilizing a sturdy metal housing with SSC damping feet, for effective decoupling from environmental factors, the aluminum faceplate is available in Black, Silver or Chrome finishes (Chrome comes at an additional cost).

For more information: https://www.lehmannaudio.com/

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