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Cayin iDAC-8 Tube DAC

Description

Vacuum Tube Timbre: 6H6b-B Dual Triode

  • Single-Ended Mode: Utilizes 2x 6H6b-B tubes, one for each channel. Within each tube, two parallel triodes form the first stage of the timbre circuit, operating as cathode followers to enhance current driving capability and reduce noise. A fast-switching, low-resistance Vishay MOSFET is used in the second stage as a voltage follower for improved performance.

  • Balanced Mode: Also employs 2x 6H6b-B tubes, with the two triodes in each tube dedicated to amplifying the current and driving the positive and negative phases of the same channel.

Solid-State Timbre: Utilitarian Op-Amp

The solid-state timbre circuit integrates high-performance, low-noise, dual-channel audio-grade operational amplifiers from Texas Instruments. A single Op-Amp is sufficient for the single-ended circuit, while the balanced circuit uses two Op-Amps for precise audio reproduction.

Specifications
  • Dual Timbre Mode: Offers both Tube and Solid-State timbre options, allowing users to customize the audio signature to their preferences
  • Utilizes a 4-channel low noise, low distortion resistance ladder circuit for accurate and transparent volume adjustments
  • Equipped with a fully balanced circuit architecture, ensuring precise and high-fidelity sound reproduction
  • Offers versatile connectivity with I2S, USB Audio, Coaxial, AES/EBU, and Optical inputs