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Ovation Adamas 2008 Collector's Edition Acoustic-Electric Guitar
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In the early part of 2008, Ovation will commence production of 100 rare and soon-to-be-sought-after guitars. Each Adamas guitar is virtually handmade...Click To Read More About This Product
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Limited 2008 Collector's Edition offers advanced guitar design and technology.
In the early part of 2008, Ovation will commence production of 100 rare and soon-to-be-sought-after guitars. Each Adamas guitar is virtually handmade in New Hartford, Connecticut and features some of the best design and technology Ovation has offered in its over 40 years of acoustic-electric guitar manufacturing.
Aside from the now famous roundback shape, the single feature that sets Adamas guitars apart from other acoustic guitars is the top. A guitar top should be strong, yet light and resonant. It's largely the flexibility of the top that determines the sound output and quality. Even the best spruce tops have their limitations. Too thick, and the tone is weak and harmonically limited; too thin, and the top can warp and crack. The Adamas top solves these limitations presented by natural materials.
Called a Fibronic Soundboard, the Adamas top is really a composite structure, built with two .005" carbon-graphite outer layers with a .035" birch veneer sandwiched in the center, all bonded together at 250 degree F. While the fibers of the carbon run in a longitudinal direction parallel with the neck of the guitar, the birch veneer grain is set to a 60 angle to the carbon. This yields an extremely rigid, yet uniquely thin membrane, one-third the thickness of a typical spruce top. Such a dramatic result in thickness results in a top that is much more dynamic and responsive than one produced from traditional materials.
The finish itself is very light to minimize any impairment of sound. The effect of the opposing grain directions between the carbon and birch virtually guarantees that, short of physical damage, the Fibronic Soundboard will not crack.
Since there was no need to use the heavy "X" bracing pattern on the Adamas, Ovation's engineers were given great flexibility in developing the top bracing system. Their goal was to engineer a system providing consistent acoustic response across the entire playing range of the guitar. After a testing process that involved electronically measuring the musical instrument's acoustic response across a wide frequency spectrum, the asymmetrical Adamas fan bracing pattern was implemented. This system, composed of 9 lightweight braces, each with its individual length and weight controlled to within several tenths of a gram, provides optimum transmission of the string vibrations across the top with minimum restriction of flexibility. Fans and braces have been engineered specifically for the Fibronic Soundboard to achieve the design objective of ±3 db change over the entire playing range of the guitar.
Contributing to the thin, resonant top are the unique and highly recognizable soundholes of the Adamas. Historically, the guitars soundhole has been located several inches in front of the bridge. With this soundhole location, the top must be heavily braced in order to compensate for making such a large hole near the bridge, an area of great stress due to the tension of the strings. By replacing the one large center soundhole of a traditionally designed guitar with the symmetrical series of holes in the upper bout, the strength of the top has been greatly increased and the sound dramatically improved. This relocation is indispensable to the distribution of the tension from string loads on such a thin soundboard. The pattern and size of 22 symmetrically placed soundholes was developed to minimize feedback when playing electrically at an extremely high level. Total area of these soundholes is approximately equal to that of the original round soundhole used for Ovation guitars.
The design of the Adamas cutaway guitars allow only one series of 15 soundholes and one epaulet. Yet, due to the decreased internal volume of the bowl, the guitar yields no noticeable reduction in overall sound output.
Ovation engineers were able to improve upon another aspect of guitar top design with Adamas: the manner in which the top is fixed to the sides. Traditional instrument design makes use of a series of wooden triangles, called kerfling blocks, between the sides and the top. This method effectively secures the top to the sides, but it also tends to restrict flexibility of the top near the point where it meets the sides, creating an area of "deadness" in the top around the entire outline of the guitar. Instead of this technique, the Adamas top is secured to the bowl by means of a specially-designed flexible "ring," which couples it to the bowl yet allows it to vibrate much more freely near the edges, thereby minimizing restriction of vibration where the top joins the bowl.
Powering the electric, the IP-5 preamp represents the future of acoustic guitar amplification, featuring Ovation's new VIP (Virtual Image Processing). Utilizing advanced imaging technology, the VIP-5 reproduces the sound of your Adamas 2008 guitar as if it were recorded in a state-of-the-art recording studio with the finest microphones. The VIP-5 has five built-in microphone images that accurately replicate and enhance the guitar's natural voice.
- Adamas 2008 Collectors Edition:
- Woven and straight grain carbon fiber top
- Traditional Slotted Peghead
- Ornate Purfling Pattern
- 12th fret "collector's" inlay
- Multi-soundhole design
- 13-piece Exotic Hardwood Epaulet
- Carved Rosewood Bridge
Adamas 2008 Collector's Edition Acoustic-Electric Guitar
- IP-5 preamp:
Battery Voltage: 9V DC
Typical Current Consumption: 18.5mA Typical 9V Akaline life (in-use): 27 hrs. Normal Output Impedance: 1 kOhm
Recommended Load Impedance: >10kOhm
Input Gain Range: -8 dB to +7.5 dB
Nominal Signal Level -10 dBV
Maximum Output Level (onset of clipping): +8 dBV
Baseline Noise (A-weighted) Pickup signal path: -87dBV (typical) Digital image signal path: -89dBV (typical)
Dynamic Range: 96dB (typical)
Frequency response: 20Hz 20kHz
Low (shelving): ±12dB@ 100Hz
Mid (resonant): ±12dB@ 620Hz
High (shelving): ±12dB@ 4kHz