The Audioengine A2 and the Power of External Power Supplies
When Audioengine introduced the A2 in 2007, it redefined what desktop audio could achieve with a speaker so compact yet so powerful. A significant factor behind the A2’s groundbreaking performance was its innovative use of an external power supply. This decision allowed Audioengine to include premium components, such as analog amplifiers, which were crucial for delivering the A2’s rich, full sound.
What is a Power Supply?
A power supply is a crucial component that provides the necessary electrical power to an electronic device. In the context of speakers, the power supply converts the electrical energy required to drive the speaker’s components and produce sound. Power supplies can be either internal, housed within the speaker enclosure, or external, located outside of it. This distinction affects the design, performance, and overall sound quality of the speaker.
The Role of the External Power Supply in the A2's Success
In 2007, the market for high-quality desktop speakers was limited, with few options available for audiophiles seeking exceptional sound in a small footprint. The A2 broke new ground by opting for an external power supply. This choice was crucial not just because it separated components, but because it freed up space inside the speaker to include high-quality analog amplifiers. If the A2 had been designed with an internal power supply, there wouldn't have been enough room to accommodate these larger analog components, which are essential for delivering superior sound quality.
Analog Amplifiers: The Heart of the A2's Sound
The A2’s use of analog amplifiers was key to its superior sound, providing a warm, natural listening experience reminiscent of classic hi-fi systems. Analog amplifiers, unlike their digital counterparts, require more space due to their larger components but deliver a richer and more authentic sound. By choosing an external power supply, Audioengine was able to include these analog amplifiers within the A2’s compact design, a combination that was revolutionary for desktop speakers at the time. Moreover, these amplifiers were hand-tuned, ensuring perfect harmony with the other components and contributing to the A2's reputation for high-fidelity sound.
Craftsmanship and Design Excellence
Beyond the innovative engineering, the A2 also featured real wood cabinets, enhancing the acoustic properties of the speaker and providing a classic, elegant appearance. Each cabinet underwent a meticulous 13-step hand-painted finishing process, resulting in a durable and premium look that complemented its superior sound quality. This attention to detail in both design and sound engineering set the A2 apart from other speakers in its class.
Enhancing Performance with an External Power Supply
The external power supply not only made space for analog amplifiers but also offered other significant advantages. It allowed for better heat management, which is crucial for maintaining the longevity and stability of audio components. This design choice also minimized electromagnetic interference, ensuring the audio signal remained clear and free from distortion, further enhancing the A2's performance and reliability.
Final Thoughts
The Audioengine A2 demonstrated that using an external power supply could enable the inclusion of high-quality analog amplifiers and other premium components in a compact speaker. This innovative design allowed the A2 to deliver sound quality that was previously only available in much larger systems. The A2’s groundbreaking approach continues to inspire the design of new speakers, proving that exceptional audio performance is possible without compromising on form or function.
