An Audio Blog by Walden

Ideas & Insights on Audio & Good Sound

Why the Audio Note SORO Deserves Your Attention

The Audio Note OTO needs little introduction. It has become one of the best-known expressions of Audio Note’s (UK) approach to single-ended valve amplification. The SORO is less frequently discussed, yet after living with its top version for more than two years, we would argue that it deserves a lot of attention. Dare we say, it is one of our favourites...

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Aurorasound’s New HFSA-02. An Amplifier Outside the Ordinary

When I was looking for a new phono amplifier some years ago, before Walden High-End Audio, I came across Aurorasound. I had never heard of the brand, but when listening to the VIDA MKII phono amplifier, I discovered a sound that immediately drew me in: the expressiveness and fluidity one associates with a good tube amplifier, combined with a sense of scale and energy.

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Tube Soul, Transistor Muscle: The Appeal of Hybrid Amplifiers

Among audiophiles, the question of amplification often leads to a familiar debate: tube or solid-state? Both technologies have shaped high-fidelity audio for decades, each with its own strengths. Yet a third category has attracted increasing attention... hybrid amplifiers, designs that combine elements of both approaches.

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