The Black Edition boasts a unique bronze finish along with enhanced features. This series not only includes the Triode 25 but also the Simply Italy and Unison Research S6 tube integrated amplifiers. Each model in the Black Edition line is characterized by a sleek black finish complemented by bronze accents.
The Unison Research Triode 25 Black Edition integrated stereo amplifier showcases a polished black front panel and a dark anodized metal chassis. It also incorporates a fresh graphic design with updated typography for the Black Edition models, imparting a contemporary aesthetic to the amplifier. The dimensions of the Unison Research Triode 25 Black Edition amplifier are 30 x 20 x 45 cm, and it has a substantial weight of 20 kg.
The manufacturer states that the amplifier circuit in the Black Edition series has been refined for enhanced performance, focusing on both the signal path and power supply. Special attention has been given to the design of the ground paths and the physical separation of the channels. Whenever feasible, the audio signal is conveyed through high-quality, shielded cables.
Additionally, the amplifier section features an adjustable bias voltage, and the feedback can be modified in two different settings. The input selector utilizes premium electromagnetic relays.
The Unison Research Triode 25 Black Edition integrated amplifier features two output stage configurations: triode and pentode. In triode mode, it delivers up to 30 W per channel, while in pentode mode, it provides a minimum of 50 W. The preamplification section is equipped with two ECC83 Gold Lion dual triodes and one ECC82 Gold Lion. The output stages utilize four KT77 Gold Lion tubes, arranged in a push-pull configuration with a pair dedicated to each channel.
The Unison Research Triode 25 Black Edition integrated amplifier features three analog linear inputs and includes a Unison Research DAC3 digital-to-analog converter. This converter is capable of processing PCM signals with a resolution of up to 24 bits / 192 kHz. Digital inputs can be connected through an optical or coaxial S/PDIF interface, or via USB-B from a computer. In this USB-B configuration, it can decode PCM digital streams with specifications up to 32 bits / 384 kHz and DSD signals up to DSD256. Additionally, there is an output available for connecting an active subwoofer.
The Unison Research Triode 25 Black Edition integrated amplifier is set to be available for purchase in Europe shortly, with a recommended retail price of $4,299.
