| Model |
Challenger Apollo-39 Sunburst Deluxe (Electro-Acoustic) |
| Body Shape |
Grand Auditorium with Venetian cutaway — balanced tone and easy upper-fret access |
| Top Wood |
Select spruce, X-braced, book-matched for clear projection and dynamics |
| Back & Sides |
Mahogany laminate — warm midrange, focused lows and smooth highs |
| Finish / Color |
Sunburst Deluxe high-gloss gradient (amber to deep brown) with UV-cured clearcoat |
| Binding & Purfling |
Cream ABS binding with black/white multi-ply purfling accents |
| Rosette |
Multi-ring decorative rosette with subtle metallic highlight |
| Pickguard |
Tortoise-style teardrop pickguard (protective film applied) |
| Neck |
Mahogany neck, satin finish; comfortable C-profile for reduced hand fatigue |
| Fingerboard |
Rosewood-style engineered wood; ~12" radius; rolled edges for comfort |
| Scale Length |
25.5" / 648 mm — balanced tension and articulation |
| Frets / Inlays |
20 medium frets; polished fret ends; pearloid dot inlays and side markers |
| Nut Width & Material |
Approx. 43 mm; synthetic bone (NuBone-style) for stable tuning and tone |
| Truss Rod |
Dual-action truss rod — headstock access (4 mm hex) |
| 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 |
| Factory Strings |
.012–.053 phosphor bronze (standard). 80/20 bronze available on request |
| Electronics |
Under-saddle piezo pickup with active low-noise preamp; 3-band EQ (Bass/Mid/Treble), Master Volume, Phase switch — natural amplified voice |
| Onboard Tuner |
Integrated digital chromatic tuner with LED display and auto-mute while tuning |
| Outputs / Power |
1/4" TS output jack; 9V battery compartment on lower bout; optional XLR DI on select SKUs |
| Machine Heads |
Die-cast sealed tuners, ~18:1 ratio, chrome or nickel finish for stable tuning |
| Action Target (12th Fret)* |
Factory target ~2.2 mm (low E) / ~1.8 mm (high e) — 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 and radiators; use humidifier in dry climates |
| Notes |
*Factory setups vary by batch. Specifications subject to change without notice as part of continuous improvement. Measurements are approximate. |
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