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Understanding Amplification

Updated: Jun 6, 2023

Welcome to a series of informative posts about the technology and terminology involved in live sound amplification for classical and flamenco guitars. These have been penned by Ken Donnell, the founder of the2Mic.

Ken's insights on amplification are largely drawn from his dual experiences as a musician and a luthier. Over the past 50+ years, he has honed his focus on methods for amplifying the splendid acoustic tone of guitars for larger audiences. His long-term goal is to aid guitarists in achieving greater sonic freedom as well as artistic expressiveness.

Ken has crafted this series to help fellow guitarists understand a bit more about modern amplification technologies. His perspective might seem unique as it is rooted in the art of lutherie rather than audio engineering. Ken's approach begins from inside the guitar's sound hole, integrating these technologies into the instrument itself, not merely attaching them from the outside.

In this series, you'll find six distinct sections, each summarizing a blog post with a link to the full content. Although Ken does not claim his views to be the final word on the subject, he is proud of the work accomplished with the2Mic and confident that these technologies can amplify the stunning sounds of classical and flamenco guitars for larger audiences.

  1. PA Systems - Big and Small PA systems are versatile and come in a variety of sizes and features. Modern advancements have made these systems smaller, less cumbersome, and more affordable. The2Mic has also introduced new possibilities for speaker placement.

  2. Impedance High Impedance and Low Impedance are two types of electronic impedance output signals. Today, hybrid audio systems combine both these signals for on-stage live performance amplification.

  3. Phantom Power Phantom power, a convenient means to power many musical devices, is becoming increasingly common. The newest generation of the2Mic models harnesses this technology.

  4. Feedback Feedback can be challenging to manage. While some transducers are feedback-resistant, they may not accurately reproduce natural acoustic tones. The2Mic employs a patented method to cancel feedback in most live performances.

  5. Rear Monitoring Rear monitoring provides innovative options for using monitors, allowing guitarists to control their onstage sound, especially useful when performing with an ensemble.

  6. Analog vs. Digital Technologies Analog and digital technologies each have their merits. The2Mic merges the best of both worlds, accurately recording the subtle nuances of a guitar while integrating perfectly with modern digital technologies.

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