Octave Jubilee Mono ULTIMATE Amplifiers

There's a version of 440 watts that's just a number on a spec sheet. And then there's what Octave did with the Jubilee Mono ULTIMATE.

Over 20 years of research went into rethinking what a tube amplifier can actually do. The result is a monoblock that doesn't just have more power — it has a fundamentally different relationship with power. Eight matched KT170 output tubes per side, a completely redesigned driver stage, and a proprietary output transformer with 50% more secondary winding surface area than anything Octave has built before. That last detail matters more than it sounds: more surface area means the distortion-inducing skin effect — the thing that quietly robs your music of texture and truth — is reduced to virtually nothing.

What you're left with is something reviewers have struggled to put into words. Clean and rich at the same time. Delicate on the quiet passages. Absolutely commanding when the music demands it. Low-level listening becomes an event. Full dynamics become something you feel in your chest.

At 170 pounds per monoblock, built from 8mm aluminum, steel, and solid X-MDF, these aren't components you just plug in. They're a statement about what you believe music deserves. And if you've made it this far — if you're the kind of person who thinks settling for less is the real luxury problem — the Jubilee Mono ULTIMATE is exactly what you've been waiting for.

Sold as a pair.