| Model |
Challenger Apollo-39 Black UC Deluxe (Electro-Acoustic) |
| Orientation / Cut |
Right-handed, Upper Cutaway (UC) — ergonomic access to upper frets |
| Body Shape |
Grand Auditorium with Venetian cutaway for balanced tone and playability |
| Top Wood |
Select spruce, X-braced, book-matched — clarity and dynamic response |
| Back & Sides |
Mahogany laminate — warm midrange with focused low-end projection |
| Finish |
High-gloss Black Deluxe with protective clearcoat; polished top |
| Binding & Purfling |
Cream ABS binding with black/white multi-ply purfling |
| Rosette |
Multi-ring decorative rosette with subtle metallic accent |
| Pickguard |
Black teardrop pickguard with removable protective film |
| Neck |
Mahogany neck, satin finish; smooth C-profile for comfort |
| Scale Length |
25.5" / 648 mm — balanced tension across strings |
| Fingerboard |
Rosewood-style engineered wood; ~12" radius; rolled fretboard edges |
| Frets / Inlays |
20 medium frets; dot inlays and side dots for stage visibility |
| Nut Width / Material |
Approx. 43 mm; synthetic bone (NuBone-style) for stable action |
| Truss Rod |
Dual-action truss rod — headstock adjustment (4 mm hex) |
| Bridge & Saddle |
Rosewood-style bridge with compensated synthetic bone saddle for improved intonation |
| String Spacing (Bridge) |
~55 mm E-to-e — suitable for fingerstyle and strumming |
| Factory Strings |
.012–.053 phosphor bronze (standard); 80/20 option available |
| Electronics |
Under-saddle piezo pickup with active preamp; 3-band EQ (Bass/Mid/Treble), Volume, Phase switch — clear, balanced amplified tone |
| Onboard Tuner |
Integrated digital tuner with LED display and auto-mute during tuning |
| Outputs / Power |
1/4" TS output jack; 9V battery compartment (lower bout); optional DI available on select SKUs |
| Machine Heads |
Die-cast sealed tuners, high-ratio gearing (~18:1), chrome 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 Items |
Truss rod hex key, spare bridge pins, quick-start guide, warranty card (region dependent) |
| Care & Environment |
Store at 45–55% relative humidity. Avoid direct sunlight, radiators and rapid humidity swings. 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 and may differ slightly by unit. |
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