Unison Research Triode 25 Tube Integrated Amplifier

In celebration of Unison Research's 25th anniversary, the Triode 25 Tube Integrated Amplifier was created as a tribute to the brand's rich history of innovation and quality. Building upon the legacy of the Triode 20, this amplifier is a harmonious blend of traditional tube sound and modern features. With the ability to switch between triode and pentode modes, along with a user-friendly bias adjustment, the Triode 25 is a versatile and powerful centerpiece for any high-fidelity audio system.

Key Features

• Dual Mode Operation: Easily toggle between triode and pentode modes to suit different music genres and listening preferences.
  
• Push-Pull Configuration: Utilizes EL34 tubes in a push-pull setup for enhanced efficiency and minimized distortion.
  
• Advanced Transformer Design: Symmetrical output transformer ensures linear signal reproduction with reduced harmonic distortion.
• Modern Connectivity: Includes a 32-bit/384kHz and DSD 128 compliant USB input for high-resolution digital audio sources.
• User-Friendly Interface: Simple bias adjustment system for maintaining optimal tube performance.

About Unison Research

Unison Research, founded in Italy, has a long-standing reputation for crafting high-fidelity audio equipment that marries traditional craftsmanship with cutting-edge technology. Each product reflects their passion for music and dedication to producing equipment that delivers both sonic excellence and visual beauty. 

Timeless Design

The Triode 25 is built with attention to detail, ensuring reliable performance. The push-pull circuit, driven by EL34 tubes, is designed to minimize distortion and deliver clear sound. The symmetrical output transformer is a crucial component, contributing to the amplifier’s consistent performance and durability. The solid construction also helps in reducing heat, thereby extending the life of the tubes.

Build Quality

In triode mode, the Triode 25 delivers a detailed, smooth sound, ideal for more intimate music. Pentode mode offers more than 45 watts per channel (6Ω load), providing the power and dynamics needed for a broader range of music. This dual-mode feature allows the Triode 25 to handle different musical styles and listening environments effectively.

Balanced Performance

With dual operating modes and a USB input, the Triode 25 caters to both analog and digital audiophiles. The USB input supports 32-bit/384kHz and DSD 128, making it compatible with the latest high-resolution audio formats. This makes the Triode 25 a versatile choice for modern audio systems.

Versatility

The Triode 25 stands out for its versatility, featuring dual operating modes and modern digital connectivity. The inclusion of a USB input makes this amplifier particularly appealing to digital audiophiles who use their computer as a primary audio source. The USB input, compliant with 32-bit/384kHz and DSD 128 standards, ensures compatibility with the latest high-resolution audio formats.

Compatibility

Designed to integrate with a variety of audio systems, the Triode 25’s push-pull configuration and dual-mode operation make it adaptable to different speaker types. Whether paired with high-efficiency speakers or more demanding configurations, the Triode 25 delivers the power and clarity needed for an exceptional listening experience.

The Listening Room Experience

At The Listening Room, we take pride in offering more than just high-fidelity audio equipment. We provide expert advice, personalized service, and a commitment to helping you find the perfect sound system for your space. From delivery to custom setup, our goal is to ensure that every piece of equipment you purchase performs at its absolute best in your environment. Trust us to be your partners in the pursuit of exceptional sound.

Technical Specifications 

• Output Stage: Push-pull, ultralinear, Class-AB
• Output Power: Approx. 45 watt per channel in Ultralinear (Pentode) configuration. Approx. 25 watt per channel Triode configuration
• Output Impedance: 6 Ohm
• Input: 4 Linea ( 1 Tape ) , 1 USB DAC
• Input Impedance: 47 kOhm / 50 pF
• Output: 1 Tape out, 1 Sub Out
• Negative feedback: 5 dB or 1.8 dB
• Valve complement: 2 x ECC83, 1 x ECC82, 4 x EL34
• Power Consumption: 300 watt max
• Dimensions: 11.8 in x 17.7 in x 7.8 in
• Net weight: 44 lbs (20 kg)