Octave Jubilee Reference Preamplifier

The Octave Jubilee Preamp represents the highest expression of Octave’s preamplifier technology—an uncompromising design that has set the benchmark since its introduction in 1998. Conceived with a revolutionary layout, premium materials, and groundbreaking circuit concepts, the Jubilee Preamp remains a cornerstone of high-end audio, embodying Octave’s philosophy of pushing tube amplification to its fullest sonic and technical potential.

Unlike any other Octave model, the Jubilee Preamp combines three distinctive design elements: a precision tube balancing stage, a discrete semiconductor output stage, and a zero-feedback circuit. The balancing stage ensures perfect phase and amplitude symmetry, delivering flawless balanced signals to power amplifiers with unprecedented accuracy. This level of signal integrity unlocks the full performance potential of balanced power amplifiers, providing unmatched precision and realism.

The output stage employs a discrete, feedback-free unity gain buffer built with semiconductors. This approach allows the tube circuit to focus solely on producing pure, uncolored sound, while the output stage provides extremely low impedance and high current drive. The result is the clarity and richness of tube sound combined with the control and reliability of solid-state design.

Perhaps the most unique feature is its zero-feedback circuit—a technology rarely attempted in preamplifiers due to the extreme requirements it places on stability and power supply design. Octave’s mastery of this concept results in astonishing quietness, purity, and fine detail, with music flowing effortlessly and naturally.

Continuously refined over decades, the Jubilee Preamp remains Octave’s reference model and a symbol of its relentless pursuit of musical truth. With features such as power management with soft-start electronics, gain selector, monitor/record output, and exclusive circuit innovations, it is a preamplifier built to last a lifetime—both as a technical achievement and as a musical companion.