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A-Definition

A-Definition is a High-End manufacturer of valve Single-Ended Class A amplifiers and phono pre amplifiers, focused on purity, simplicity and timeless sound. Han

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The story behind A-Definition How it began: As a radio, live sound, and studio engineer, I have always had a deep desire to create my own tube audio equipment. In 2021, I began working on a Class A single-ended amplifier. I experimented with different types of vacuum tubes, their operating modes, and circuit configurations to find the optimal combination of technical performance, stable operation, low noise, and musical sound. The search for the right quality and sonic character became a real challenge and, at the same time, brought me a great sense of satisfaction. Later, I also developed a tube phono preamplifier for vinyl playback. Three prototypes were built to find the best technical solution. And just now we built one for MM/MC! Four years of refinement: Seeing the quality and high-end character of these products, I decided to create my own product line. Development and prototyping took approximately four years, with countless measurements, tests, and A/B comparisons to find the most suitable technical solutions and achieve the desired sound. Triode Trinity: Initially, these products were created for myself, but over time I realised that I wanted to offer them to other music lovers as well. This led to the A-Definition Triode Trinity product line — Pulse, Flow, and Ember — combining my experience, care, and genuine passion for music! A personal approach: Even today, I personally lead and oversee the entire development and manufacturing process. Every client and their individual requirements are important to me. That is why every client receives a personal approach, and I remain personally involved and ready to understand and address each client’s specific wishes, requirements, or challenges in order to find the most suitable solution together. Our engineering standard: Every A-Definition product is designed with exceptional attention to detail and manufactured using only carefully selected, high-quality components. Innovative circuit design and uncompromising quality standards ensure an outstanding listening experience.

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