EL34, KT77, 6550, KT88, KT120, KT150 or even KT170. Different tubes shape the sound in different ways. But without the right design, switching tubes can compromise stability and performance.

At Octave, flexibility is engineered into the amplifier. Each model is designed to support specific tube types while maintaining control, safety and consistent sound quality.

Which tubes can you use in your Octave amplifier?

Read the full answer on our website. https://www.octave.de/en/services/tube-handling

Octave.
Perfection in every detail.