Unison Research Unico 90
Unico 90 is a class AB hybrid integrated amplifier with zero feedback, as the most precious valve amplifiers uses only two stages. The heart of the Unico 90 circuit is found in its hybrid structure. All of the gain, and subsequently the “character” of the amp, is determined by the only tube stage made with ECC83 and ECC 81in particular multiple-parallel-totem-pole.
Unison Research Unico 90 Integrated Amplifier
- Hybrid Design: Combines tube and solid-state technologies for a balanced sound signature.
- Dual-Mono Configuration: Ensures superior channel separation and imaging.
- Zero Global Feedback: Preserves the purity of the audio signal.
- High-Quality Components: Utilizes premium parts, including Mundorf capacitors, for optimal performance.
- Versatile Connectivity: Offers multiple input and output options, including balanced XLR and unbalanced RCA connections.
- Bi-Wiring Capability: Supports bi-wirable speaker connections for enhanced audio performance.
- Elegant Aesthetics: Available in silver or black finishes with a robust chassis design.
- Remote Control: Includes an RC2 remote for convenient operation.
100W + 100W RMS into 8Ω; 160W + 160W RMS into 4Ω
12Hz (-1dB) to 45kHz (-3dB)
21kΩ // 300pF
860mV RMS
Pure Class A, featuring ECC83 (12AX7) double triode totem pole and ECC81 (12AT7) parallel totem pole configuration
Class AB thermostable, complementary HEXFETs (3 pairs per channel)
2 (input and output), utilizing only local feedback
6 line-level inputs (3 unbalanced RCA, 2 balanced XLR, 1 unbalanced bypass)
1 tape (fixed), 1 subwoofer (volume-controlled)
Bi-wirable (4 + 4 terminals)
0 dB
< 0.15% @ 1kHz, 1W; < 0.5% @ 1kHz, 10W
< 0.4Ω, resistive across all audio frequencies
550W at maximum power into 8Ω
43.5 cm x 44 cm x 18 cm
20 kg
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