An Audio Blog by Walden

Ideas & Insights on Audio & Good Sound

Why the Audio Note SORO Deserves Your Attention

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

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

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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