New for 2026
The latest thinking from the mind of Andreas Hofmann, Jubilee Class A is a reference mono power amplifier that combines the endurance and control of a traditional Octave enhanced pentode push-pull design with the musicality and purity of its innovative self-regulating Class A circuit.
Capable of generating 160 watts of pure Class A power, its High Power mode unleashes up to 280 watts of A/AB power when demand calls. An elegant touchscreen interface displays amplifier status and allows for easy changes to its settings, including auto-bias presets for various output tube types to permit further fine-tuning of the system.
Technology
Octave’s push-pull amplifier designs have long been valued for their unique combination of power and control without losing the distinctive character that make tubes special. For listeners who prefer a softer, more romantic sound, founder and chief engineer, Andreas Hofmann, embarked on a series of single-ended Class A concept amplifiers, beginning with the V16 Single-Ended Class A – a single-ended triode headphone and loudspeaker amplifier with exceptionally low distortion and unusually high output power (8W) for such a design.
Following the V16, the Jubilee 300B mono power amplifier was introduced. Among other innovations, the Jubilee 300B employs a unique, dedicated AC filament heater circuit whose massive transformer provides silent, steady power to a trio of 300B tubes at 7Hz. This eliminates any sign of power line hum to reveal the full potential of the venerable 300B. Next, the V70 Class A brought the Octave single-ended concept to a higher-power integrated amplifier; and now, the Jubilee Class A follows, positioned between the powerful MRE220 SE push-pull monos and the mighty, finely-tuned Jubilee Mono Ultimate amplifiers.
Key Features
- 160 watts in Class A mode — (Low Power mode)
- 280 watts in Class A/AB (A+) mode — (High Power mode)
- (6) KT120, KT150, or KT170 output tubes per channel
- Octave enhanced Pentode design with self-regulating Class A circuit
- Touchscreen control for amplifier status and diagnostics
- Octave Jubilee Ultra-Wideband output transformer technology
- Effective power bandwidth extends from 15Hz to 80kHz
- Mains and output transformers designed-and-manufactured in-house by Octave
