
Ayon Audio · Mono / Evo Mono
Vulcan Evo - Trio Mono
The ultimate expression of pure single-ended triode power and refinement.
Key Features
01
Parallel SET architecture
Utilises high-current AA62B tubes in a parallel configuration to deliver 70 watts of pure Class A triode power.
02
Zero-feedback design
A completely feedback-free circuit ensures an ultra-short signal path, preserving transient speed and low-level harmonic detail.
03
Proprietary AA20B driver
A bespoke, direct-heated driver tube meticulously designed by Ayon to provide the most direct signal flow possible.
04
Auto-fixed bias system
An intelligent bias management system with a built-in tube test program ensures optimal performance and tube longevity.
05
Super-wide bandwidth transformers
Custom-wound output transformers offer high efficiency and low insertion loss, delivering punchy bass alongside exceptional high-frequency speed.

Chapter 01
Design & Philosophy

Chapter 02
Manufacturing Process

Chapter 03
