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The Acoustics

“Good musical instruments do not just happen.” Epi Stathopoulo

a new millennium has done little to change this fact. Through the years, the designers at Epiphone have strived to provide the best tools possible to our musicians, meeting the ever changing requirements of style, features and value. Every acoustic instrument has specific requirements and properties that must be met in order to ensure the player the musical experience they desire.


Epiphone engineers have sought to identify and qualify these attributes in order to incorporate them into our product. Of course, offering the public a selection of instruments that accommodates all of the various musical styles is only part of the equation. Each instrument

must have correct geometry that allows for easy playability and good tone…regardless of the price point. The diligent work of our engineers and quality teams has ensured that we are able to maintain consistent quality of materials, construction, fit and finish and tone throughout our product line.

Masterbilt™ Acoustics For the more discerning musician, we have developed our Masterbilt line. This line harkens back to the Golden Age of Epiphone Guitars, when they were

offering the best instruments available for the working professionals of the day. Great attention to detail is paid to every aspect of these instruments. They all offer solid wood construction throughout. Solid Sitka Spruce or Solid Cedar is used for the tops for each Masterbilt. These solid tops sound good today and will continue to improve as they are played. Braces are made from tight grained, quarter sawn Spruce, glued in with hide glue and are shaped and scalloped to established standards, in order to produce a rich, balanced tone. Back and sides are book matched sets in Mahogany, Rosewood or Maple depending on model. Mahogany kerfed lining is used on all models The necks are Solid Mahogany with Rosewood fingerboards. They are attached to the body using a tapered dovetail neck joint and “Hot Hide Glue”.

The Hide Glue transfers vibrations exceptionally well, and allows for easier repairs later in its life… just in case your grandson finally needs to reset the neck on your favorite guitar.

NanoFlex™ Pickup The invention of the NanoFlex pickup technology is the latest and by far the most important step in pickup technology since the first guy wrapped wire

around a magnet to produce an electromagnetic field. The term “NanoFlex” refers to its ultra thin (nano-like) profile and its flexibility that allows it to conform to any surface shape. This assures complete guitar-to-pickup-to-saddle contact. Unlike other under-saddle pickups, the NanoFlex design utilizes 7 highly sensitive and ultra-responsive layers of sensor material to not only sense the

vibrations of the strings but the vibrations of the guitar body as well. This produces results equivalent to a condenser microphone mixed with an under -saddle pickup. The NanoFlex is the first pickup to incorporate active amplification directly at the pickup. As a result, the signal does not pass through even a single

millimeter of the wire, and therefore, the signal quality is uncompromised. Combined with its 100% shielding, the NanoFlex is absolutely and completely noise free. This is different from all other acoustic pickup technology.

NanoMag™ Pickup Ordinary magnetic pickups have been used successfully to amplify electric guitars for years but when used to amplify acoustic guitars, they fail to deliver

desirable acoustic response. That’s because magnetic pickups have a very narrow bandwidth with an over-emphasis on mid-range frequencies. The NanoMag, referring to its small size and its composition, is a completely new kind of magnetic pickup that combines 3 Samarium-Cobalt magnets with

on-board, active electronics to produce a low-impedance pickup with absolute linear response and an uncharacteristically wide frequency range. Because ordinary under-saddle or transducer pickups fail to capture the very high and very low harmonic content, the true acoustic character of the

instrument is lost. The NanoMag is able to capture all the harmonics - from the lowest to the highest - with incredible accuracy. All with ZERO noise or artificial coloration. This again is different from all other acoustic pickup technology.

NanoFlex™/NanoMag™ Combination While each pickup individually outperforms all others, the combination of the two is extraordinary. The NanoFlex captures string and body vibrations while

the NanoMag, mounted at the harmonic-rich end of the fingerboard, captures all the string energy and lush harmonic content. Now, the acoustic guitar has never sounded so real and alive with all its subtle nuances and distinct characteristics.

eSonic™ and eSonic2 Preamp Controls and Functions Both eSonic and eSonic2 preamps are equipped with a Master Volume control, used to control the output level or “loudness” of our NanoFlex or NanoMag/NanoFlex combo equipped acoustic/electrics. The eSonic is equipped with 3 EQ controls, (Treble, Bass & Dynamics slider) that work together with each other to shape the overall “tone” of the instrument. The Dynamics slider reduces or increases the range of the treble and bass controls. The dynamic control also alters the EQ shape allowing you to best

tailor the sound of your guitar to fit your style of playing, the volume level and the venue. The eSonic2 is equipped with individual EQ controls for each pickup. They are: Mag EQ (NanoMag) and Flex EQ (NanoFlex). Each control operates in the

same way by increasing treble up to 9bB or increasing bass up to 9dB. However, these controls are not linear in that other frequencies (in particular mid- ranges) are adjusted as well. This “variable” EQ control allows you to better “shape” the sound. The Blend control on the eSonic2 is your “mixer” between the NanoFlex and the NanoMag pickups. Use it to control the overall tone of the instrument as

well as control the signals coming out of the Stereo outputs. By using it in combination with the EQ controls, you can really tailor the sound of the guitar to fit your playing style, venue and volume level. Both eSonic preamps also feature a Phase button and Chromatic Tuner. The Phase button inverts the output signal allowing the eSonic to compensate

for acoustic phase differences that occur between instrument and speaker. This is very useful if you experience any “feedback.” If you start to hear feedback, depress the phase button to immediately “cancel” the signals. The very accurate and stable Tuner will take care that you will never play out of tune as it shows note and tune status. When you turn the tuner on it also mutes the output.

38 ver since Epiphone’s founding in 1873, the production of high quality acoustic musical instruments has been a constant throughout. The dawning of

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