| Model |
Challenger Apollo-39 Rosewood Deluxe (Electro-Acoustic) |
| Body Shape |
Grand Auditorium with Venetian cutaway — balanced tonal response and improved upper-fret access |
| Top Wood |
Select spruce, X-braced and book-matched for clarity, projection and dynamic range |
| Back & Sides |
Rosewood laminate — warm, complex overtones, deep lows and shimmering highs |
| Finish |
Rosewood Deluxe high-gloss lacquer with protective UV-cured clearcoat accentuating grain |
| Binding & Purfling |
Cream ABS binding with multi-ply black/white purfling and subtle back-strip detail |
| Rosette |
Decorative multi-ring rosette with metallic accent |
| Pickguard |
Tortoise-style or black teardrop pickguard (market dependent) with protective film |
| Neck |
Mahogany neck, satin finish; comfortable C-profile designed for long sessions |
| Fingerboard |
Rosewood-style engineered wood; approx. 12" radius; rolled edges for player comfort |
| Frets / Inlays |
20 medium frets; polished fret ends; pearloid dot inlays and side markers for stage visibility |
| Scale Length |
25.5" / 648 mm — balanced string tension and clear articulation |
| Nut Width & Material |
Approx. 43 mm; synthetic bone (NuBone-style) for stable tuning and clear tone |
| Truss Rod |
Dual-action truss rod — headstock access (4 mm hex) for easy neck relief adjustments |
| Bridge & Saddle |
Rosewood-style bridge with compensated synthetic bone saddle for accurate intonation |
| String Spacing (Bridge) |
~55 mm (E-to-e) — comfortable for fingerstyle and strumming techniques |
| Factory Strings |
.012–.053 phosphor bronze (standard); alternate gauges available on request |
| Electronics |
Under-saddle piezo pickup with active low-noise preamp; 3-band EQ (Bass/Mid/Treble), Master Volume, Phase switch — clear natural amplified tone |
| Onboard Tuner |
Integrated chromatic digital tuner with LED display and auto-mute while tuning |
| Outputs / Power |
1/4" TS output jack; 9V battery compartment in lower bout; optional XLR DI on select SKUs |
| Machine Heads |
Die-cast sealed tuners, high-ratio gearing (~18:1), nickel or chrome finish for reliable tuning |
| Action Target (12th Fret)* |
Factory setup ~2.2 mm (low E) / ~1.8 mm (high e); fully adjustable to player preference |
| Dimensions (Approx.) |
Overall length ~1030 mm; lower bout ~405 mm; upper bout ~295 mm; body depth 100–120 mm |
| Weight (Approx.) |
Approx. 2.0–2.4 kg depending on wood density and hardware |
| Case / Bag |
Padded gig bag recommended; deluxe hardshell case optional (sold separately) |
| Included Accessories |
Truss rod hex key, spare bridge pins, quick-start guide, warranty card (region dependent) |
| Care & Environment |
Maintain 45–55% relative humidity; avoid direct sunlight, radiators and rapid humidity swings; use humidifier in dry climates |
| Notes |
*Factory setups and available options vary by batch. Specifications subject to change without notice. Measurements are approximate. |
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