| Model |
Challenger Apollo-39 Red Special (Electro-Acoustic) |
| Body Shape |
Grand Auditorium with Venetian cutaway — balanced tonal response & improved upper-fret access |
| Top Wood |
Select spruce, X-braced and book-matched for clear projection and dynamic range |
| Back & Sides |
Mahogany laminate — warm midrange, focused lows, and smooth trebles |
| Finish |
High-gloss Red Special lacquer with UV-protective clearcoat for deep color and durability |
| Binding & Purfling |
Cream ABS binding with multi-ply black/white purfling accents |
| Rosette |
Multi-ring decorative rosette with subtle metallic highlight |
| Pickguard |
Black teardrop pickguard (protective film applied) |
| Neck |
Mahogany neck with satin finish; comfortable C-profile designed for long playing sessions |
| Fingerboard |
Rosewood-style engineered wood; ~12" radius; rolled edges for comfort |
| Scale Length |
25.5" (648 mm) — balanced string tension and clear articulation |
| Frets / Inlays |
20 medium frets; polished fret ends; dot inlays and side markers for stage visibility |
| Nut Width & Material |
Approx. 43 mm; synthetic bone (NuBone-style) for stable action and improved tone |
| Truss Rod |
Dual-action truss rod — headstock-adjustable (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 both fingerstyle and flatpicking |
| Factory Strings |
.012–.053 phosphor bronze (standard). 80/20 bronze option available |
| Electronics |
Under-saddle piezo pickup with active low-noise preamp; 3-band EQ (Bass/Mid/Treble), Master Volume, Phase switch |
| Onboard Tuner |
Integrated digital tuner with LED display; mutes output during 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 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.) |
Approximately 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 vary by batch. Specifications subject to change without notice as part of continuous improvement. Measurements are approximate. |
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