Unison Triode 25 Black Edition Integrated Amplifier

Unison Triode 25 Black Edition Integrated Amplifier

Marsoni

M251S

$3499.50

Get it in 3 business days with 1 day shipping. Friday, May 29

Unison Triode 25 Black Edition Integrated AmplifierThe new Unison Research Triode 25 Black Edition features a completely new design with advanced technical and sonic performance, featuring a new cosmetic design with a piano black wood front panel, black gun metal finish and updated lettering graphics. To improve the Triode 25 we worked on its strengths and we went even further to achieve higher sound quality. The circuitry has been revised in the signal path and power management, again surpassing the

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The first call I made resulted in the tech not finding my contract and making no further effort (I wasn't home at the time). I found the contract and called back. Had to pay the difference of $30 to get another pair of glasses. Twice I've used Asurion insurance and both times a hassle, but finally resolved. You have to pay the price difference.

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Reviewed in the United States on November 21, 2025

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Grantham, US

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They replaced my broken glasses fast!

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Reviewed in the United States on March 21, 2026