INDIGO-GF65X -TWO COAXIAL SPEAKER
The AURA Indigo Coaxial Speaker System delivers high-definition sound and precision-engineered balance in a single, easy-to-install package. Built under AURA’s Russian R&D division, Indigo Coaxial represents a seamless fusion of engineering excellence and musical passion — designed for car audio enthusiasts who demand clarity, efficiency, and tonal accuracy without complex installations.
Each Indigo Coaxial speaker inherits the same DNA as the competition-proven Indigo Component line — sharing its glass fiber diaphragm, high-efficiency motor structure, and audiophile-grade tweeter design — to provide the signature AURA sound in a compact, single-unit format.
Key Highlights
- Design: True 2-way coaxial architecture, combining midbass power and high-frequency clarity in one speaker frame.
- Cone: Lightweight yet rigid glass fiber cone ensures faithful sound reproduction and minimal breakup.
- Surround: Long-lasting butyl rubber surround for accurate cone movement and reduced resonance.
- Frame: Rigid stamped steel basket with anti-resonance black coating for acoustic stability.
- Voice Coil: 1” (25.5mm) high-temperature voice coil on a Kapton former — durable and heat-resistant under long listening sessions.
- Magnet System: 13 Oz (368.5g) ferrite magnet provides controlled, dynamic bass response.
- Tweeter: Integrated 1” silk dome tweeter powered by a Neodymium (N38SH) magnet, delivering smooth, extended highs up to 20 kHz.
Thiele/Small Parameters and Performance Benefits
|
Parameter |
Value |
Performance Advantage |
|
Re (DC Resistance) |
3.20 Ω |
Perfect match for all standard 4-ohm amplifiers. |
|
Fs (Resonant Frequency) |
68 Hz |
Balanced tuning for responsive midbass and low-frequency depth. |
|
Qms |
4.162 |
High mechanical control for accurate, detailed playback. |
|
Qes |
0.831 |
Electrically stable design ensures clean power delivery. |
|
Qts |
0.693 |
Optimized damping for use in car doors (no enclosure required). |
|
Vas |
11.57 L |
Efficient air suspension — ideal for in-door acoustic environments. |
|
Bl (Force Factor) |
4.408 T·m |
Strong motor structure ensures precise cone motion. |
|
Mms (Moving Mass) |
11.77 g |
Lightweight moving assembly for dynamic, fast response. |
|
Mmd |
10.89 g |
Balanced diaphragm and coil weight for smooth tonal character. |
|
n? (Efficiency) |
0.408% |
Excellent efficiency for its size — delivers strong output even on moderate power. |
|
Sd (Diaphragm Area) |
13.27 K mm² |
Wide effective radiating area for robust midbass coverage. |
|
Lnom (Nominal SPL) |
88.3 dB |
High efficiency ensures lively performance with lower amplifier power. |
Technical Insight: Why Indigo Coaxial Excels
The AURA Indigo Coaxial system is not just a simplified alternative — it’s a finely engineered, self-contained performer designed for enthusiasts who value clarity, precision, and installation simplicity.
- The Fs of 68 Hz and Qts of 0.693 make the Indigo Coaxial perfect for door-mounted installations, producing controlled and musical midbass without the need for sealed or ported enclosures.
- Its light 11.77g moving mass ensures a lively, accurate transient response, making vocals and instruments sound natural and immediate.
- With a Bl factor of 4.408 T·m, the motor offers strong electromagnetic control, giving consistent accuracy even at high SPL levels.
- The Vas of 11.57L aligns perfectly with modern car door volumes, ensuring tonal consistency and low-frequency presence.
- Combined with an integrated silk dome tweeter, Indigo Coaxial offers an audiophile-grade sound signature with smooth highs, rich mids, and deep, coherent bass — all from a single compact driver.
Result: The AURA Indigo Coaxial delivers effortless installation, competition-grade clarity, and authentic musical depth — all engineered under the precision of AURA’s Russian sound heritage.
Experience AURA Indigo Coaxial
From engineering labs in Russia to real-world performance across the globe, the AURA Indigo Coaxial stands as a testament to acoustic balance, reliability, and musical honesty. Whether it’s your first upgrade or part of a tuned sound quality build, Indigo transforms everyday drives into a refined listening experience.
AURA Indigo Coaxial – One Speaker. Pure Performance.
|
Parameter |
Specification |
|
System Type |
2-Way Coaxial |
|
Size |
6.5" (16 cm) |
|
Nominal Power |
90 W |
|
Peak Power |
280 W |
|
Impedance |
4 Ω |
|
Frequency Response |
50 Hz – 20 kHz |
|
Sensitivity (SPL/1W/1m) |
88.3 dB |
|
Resonant Frequency (Fs) |
68 Hz |
|
Voice Coil Diameter |
1” (25.5 mm) |
|
Magnet Type |
Ferrite (13 Oz / 368.5 g) |
|
Frame Material |
Stamped Steel |
|
Cone Material |
Glass Fiber |
|
Surround Material |
Butyl Rubber (NBR) |
|
Tweeter Type |
Silk Dome |
|
Tweeter Magnet |
Neodymium (N38SH) |
|
Voice Coil Former |
Kapton |
|
Mounting Type |
Coaxial Integrated |
|
Crossover Type |
Built-in (2-Way Passive) |