Description
Description
BRAX GRAPHIC GL3
The Pursuit of Perfect Sound in Your Car
The journey began with Heinz Fischer, Audiotec’s founder and passionate music lover, whose vision was to bring the sonic quality of legendary high-end audio components into the car—without compromise in design, technology, or sound. Following these principles, our engineers pushed technological boundaries once again to create the new BRAX GRAPHIC speaker series. Exceptional components and unrivaled craftsmanship distinguish these speakers, proudly Made in Germany.
A Perfect Team with Maximum Tonal Harmony
The GL3 is a high-end midrange driver and a vital member of the BRAX GRAPHIC series. It perfectly complements the tweeter GL1 and mid-woofer GL6, making it ideal for extraordinary three-way system configurations. Its lively, dynamic sound and broad frequency range deliver an outstanding acoustic experience.
MicroSphere – Material for Maximum Acoustic Precision
At the heart of the GL3 is its exceptionally light paper cone with a modified MicroSphere coating. This patented technology embeds ceramic micro hollow spheres, each only 75 μm in diameter, in a polyamide layer applied to the cone. The result is precise, detailed sound reproduction that blends seamlessly with other GRAPHIC series speakers.
State-of-the-Art Technology
The cone is driven by a highly linear neodymium magnet system housed in an aerodynamically optimized die-cast aluminum basket. Perfect ventilation of the long-stroke voice coil ensures excellent thermal stability and prevents compression effects. The soft rubber surround supports a very low resonance frequency, enabling lower crossover frequencies—ideal for fully active systems.
Thoughtful Details to the Last
Every detail of the GL3 reflects BRAX’s commitment to reference-level sound and the highest tonal standards for music lovers. Each pair carries a unique serial number recorded in a service database. The product arrives in an elegant wooden box, underscoring the uncompromising BRAX philosophy.
Features
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Very stiff, lightweight paper cone with MicroSphere coating containing micro ceramic hollow spheres embedded in a polymer layer
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Low-reflection rubber surround for smooth high-frequency roll-off
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Aerodynamically shaped aluminum die-cast basket with optimized voice coil ventilation
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Coated dust cap optimizing upper midrange frequency response
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Ultra-precise machined, vented neodymium magnet system ensuring highest magnetic flux linearity
Technical Specifications
| Specification | Value |
|---|---|
| Power Handling (RMS / Max) | 100 / 150 Watts (highpass > 300 Hz at 24 dB/Oct) |
| Impedance | 3 Ohms |
| DC Resistance (Re) | 2.9 Ohms |
| Frequency Response | 250 Hz – 8,000 Hz |
| Resonance Frequency (Fs) | 80 Hz |
| Mechanical Q Factor (Qms) | 2.90 |
| Electrical Q Factor (Qes) | 0.29 |
| Total Q Factor (Qts) | 0.26 |
| Compliance (Cms) | 1180 μm/N |
| Equivalent Air Volume (Vas) | 1.95 L |
| Force Factor (B*l) | 4.1 Tm |
| Efficiency (1 W / 1 m) | 87 dB |
| Cone Area (Sd) | 35 cm² |
| Moving Mass (Mms) | 3.4 g |
| Cone Material | Paper cone with MicroSphere coating |
| Mechanical Resistance (Rms) | 0.62 kg/s |
| Voice Coil Diameter | 25 mm / 1" |
| Voice Coil Winding Height | 6 mm / 0.2" |
| Max. Linear Excursion (Xmax) | ±1.5 mm |
| Outer Diameter | 92 mm / 3.6" |
| Installation Diameter | 76 mm / 3.0" |
| Installation Depth | 35.5 mm / 1.4" |
Recommended Enclosure Volumes & DSP Settings
Sealed Box – Minimum 250 ml net volume
| Net Volume (L) | System Resonance (Hz) | Recommended Crossover Frequency | Minimum Filter Slope |
|---|---|---|---|
| 0.4 | 200 | 350 Hz | 12 dB/Octave |
| 0.8 | 155 | 300 Hz | 12 dB/Octave |
| 1.2 | 140 | 250 Hz | 24 dB/Octave |
Note: Always fill the enclosure with appropriate damping material for optimal performance.
Scope of Delivery
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2 x High-End Cone Midrange Speakers: BRAX GRAPHIC GL3
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1 x Allen Key
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1 x Technical Data Sheet
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