Using the E62i / E31i to “Ring Out” a Monitor System

One of the most important applications for the E62i / E31i is to removing feedback from an onstage monitor system. This procedure is sometimes called “ringing out,” since feedback usually begins with a slight ringing sound at the resonant frequencies where the loop between microphone and speaker is loudest. Because both the E62i and E31i are one-third octave equalizers (and thus have relatively narrow frequency bands), they are particularly well-suited for this application. The advanced Constant Q circuitry used by both models ensures that adjacent program frequencies which may not be causing any problems are unaffected even when attenuating problem frequencies by their maximum amount.

To ring out a monitor system, start by setting up the stage exactly as it will be used during performance, preferably with the performers themselves standing in front of the mics they will be using (this is important since the physical placement of objects— or people— on the stage can affect the generation of feedback loops in different frequency areas). With power to all audio components turned off, connect the E62i / E31i to the monitor mixer, preferably at its main mix inserts (if these are not available, connect the unit in-line, between the monitor mixer outputs and the monitor amplifier inputs). (See pages 8 - 9 in this manual for typical configuration diagrams.) Set the E62i / E31i Level slider(s) to the center detented “0 dB” position. Because you’ll only be cutting frequencies, press the Cut Only switch(es) so that they are on (in the down position). Also, because you’ll want to be able to make deep cuts, set the ±12 dB switch(es) so they are also on (in the down posi- tion). Then raise all front panel Equalizer sliders to their upper-most position; because the Cut Only switch(es) are on, this represents flat response (no cut or boost).

Next, power up all audio equipment (turning on the amplifiers last) and, using one monitor output only, gradually turn up the volume while a performer is speaking or singing into the primary mic for that monitor. Continue slowly increasing the volume until a feedback howl just begins. Using your ears or an RTA (Real Time Analyzer), identify the approximate frequency at which this feedback occurs. Lower the corresponding Equalizer slider on the E62i / E31i until the feedback disappears. Then continue slowly turning up the volume until another feedback howl just begins. Again identify the approximate frequency of this feedback and lower the corresponding Equalizer slider on the E62i / E31i until the feedback disappears. Repeat this procedure until you reach the point where many different frequencies begin to feedback at once or when you find that you’ve already attenuated most of the feedback frequencies that are occurring. This is the point at which the process stops— you’ve gotten as much gain out of the monitor system as you can without adjusting the physical placement of the mic or monitor speaker. Repeat this procedure for each monitor output (each time using the primary mic for that monitor).

When done successfully, “ringing out” (which should be done before every performance) can add another 3 to 15 dB more of usable gain to your monitor system— so it’s well worth the time and effort!

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Samson E62I, E31I, E30I manual Using the E62i / E31i to Ring Out a Monitor System
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E30I, E31I, E62I specifications

The Samson E62I, E31I, and E30I are part of a line of professional audio equipment known for their quality and versatility in various sound applications. Each model is tailored to meet different requirements without compromising on performance.

The Samson E62I is notable for its advanced design and exceptional sound quality. This model utilizes advanced driver technologies to deliver crisp highs and deep lows, making it ideal for both live performances and studio recordings. The E62I features a robust build, ensuring durability in demanding environments. Its lightweight construction allows for portability while maintaining structural integrity. The incorporation of advanced acoustic engineering means that sound professionals can rely on the E62I for an accurate reproduction of audio signals.

The Samson E31I is specifically designed for smaller venues or personal use, maintaining the high standards associated with the Samson brand. This model integrates a sleek, compact design that does not compromise audio quality. The E31I incorporates powerful monitoring capabilities, perfect for musicians who need to hear themselves clearly while performing. With built-in features like adjustable EQ controls and high-output performance, this model provides seamless integration into any audio setup. Additionally, its user-friendly interface makes it accessible for both beginners and seasoned professionals alike.

The Samson E30I complements the lineup by offering a budget-friendly option without sacrificing fundamental features. Despite its lower price point, the E30I includes the essential technologies that define the Samson reputation. It provides reliable performance for various applications, such as spoken word events and musical performances. The E30I is equipped with a simple yet effective design, featuring a clear sound output that captures the nuances of vocals and instruments alike. Its compact form factor ensures it can be easily transported and set up in any location.

In summary, the Samson E62I, E31I, and E30I represent a robust range of audio solutions catering to diverse needs. Each model integrates advanced technologies and user-friendly designs, ensuring high-quality sound and performance. Whether in a professional studio, at a live event, or for personal use, these models provide solutions that meet the expectations of audio professionals and enthusiasts alike. With Samson's commitment to innovation, each model stands as a testament to the brand's dedication to enhancing audio experiences.
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