Power amplifiers mono — Octave Audio Jubilee Mono Ultimate

The Jubilee Mono Ultimate is a formidable monoblock power amplifier from Octave Audio, sitting at the top of the Jubilee lineup with substantial output power and considerable mass. The Jubilee Mono Ultimate represents Octave's most ambitious current statement in monoblock power amplifier engineering.

Key specs that matter

Input sensitivity is 1,500mV. Output power is a substantial 440W into 4 ohms - a serious figure for a tube-informed monoblock design. Gain is 28dBu. Frequency response spans a wide 10Hz to 80,000Hz within plus-or-minus 3dB. Signal-to-noise ratio is a strong 103dB, with total harmonic distortion plus noise under 0.1% at 100% global feedback. At 280 x 750 x 484mm and a staggering 78kg, the Jubilee Mono Ultimate represents Octave's absolute current flagship monoblock engineering ambition.

Sound and use context

Expect the warm, richly textured character combined with substantial power delivery, representing Octave's absolute current flagship monoblock engineering ambition reflecting a considered German engineering philosophy.

Pairing

As a monoblock, the Jubilee Mono Ultimate requires two units per stereo pair, and the substantial 440W output handles demanding loudspeaker loads with considerable headroom.

Alternatives

Octave's own Jubilee 300 B offers a more traditional single-ended triode alternative at considerably lower power within the same broader Jubilee catalogue.