Unison Research Triode 25 Black Edition Tube Integrated Amplifier

The Triode 25 Black Edition celebrates Unison Research's most successful integrated amplifier with enhanced circuitry and a striking piano black aesthetic. Delivering 50 watts in pentode mode or 30 watts in triode mode, the Triode 25 Black Edition features Gold Lion valves, an integrated DAC with USB input supporting PCM up to 384kHz and native DSD256, and the flexibility to fine-tune feedback and bias to match your speakers and preferences.

KEY FEATURES

• Dual Operating Modes: Switch between 50W pentode and 30W triode for different speaker loads and sonic preferences
• Gold Lion Valves: Premium 2x ECC83, 1x ECC82 signal tubes and 4x KT77 power tubes in push-pull configuration
• Integrated DAC3: USB (PCM to 384kHz, DSD native to 256x, DoP to 128x), Toslink, and SPDIF up to 192kHz
• Adjustable Feedback: Select 10dB or 12dB feedback to tune damping and tonal character
• User-Adjustable Bias: Fine-tune power tube operation for optimal performance
• Subwoofer Output: Unfiltered RCA output maintains the amplifier's sonic signature

BLACK EDITION UPGRADES

The Black Edition features revised signal path and power management circuitry for lower distortion and increased headroom. The input selection uses micro relays with Return GND technology, matching the approach used in Unison Research's reference components. The premium piano black wood front panel and gun metal finish make a visual statement.

FLEXIBLE CONNECTIVITY

Three analog RCA inputs handle traditional sources, while the built-in DAC3 adds three digital inputs for streaming, computer audio, and optical sources. Pair with high-sensitivity speakers like the MAX 2 or MAX Mini to experience the full potential of this amplifier. The subwoofer output lets you integrate a sub while maintaining the Triode 25's tube character throughout the bass range.

THE LISTENING ROOM DIFFERENCE

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SPECIFICATIONS