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Gamma GT25
Technical Highlights
- Impedanz von 4 Ohm, Carbon-Fiber-Graphene Membran, 25mm Schwingspule.
- Empfohlener Hochpass ab 2.800 Hz/24 dB, 91 dB SPL, 1050 Hz Resonanzfrequenz.
- MagForce-Technologie optimiert Klang, druckentlastetes Magnetsystem integriert.
- More technical details
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Gamma GT25 by Gladen
Discover the Gamma GT25 from Gladen, a Dome Tweeter that combines precision and control with exceptional fine resolution up to the highest frequency ranges. Equipped with an innovative Carbon-Fiber-Graphene membrane, it enables fast impulse processing and precise high-frequency reproduction. A pressure-relieved magnetic system minimizes thermal and mechanical compression effects, even at high volumes. The exclusive MagForce technology ensures a natural, spatial sound reproduction. With a system-specific plug connection and the recommended high-pass starting at 2,800 Hz/24 dB/Octave, the GT25 can be flexibly integrated into various installation concepts. Ideal for high-end vehicle systems, this tweeter uncompromisingly meets modern sound requirements.
Precision, control, and fine resolution up to the highest frequency ranges.
The GAMMA GT25 has been completely newly developed to uncompromisingly meet the sound requirements of modern high-end vehicle systems. The focus was on extremely clean high-frequency reproduction with high detail resolution, controlled dynamics, and minimal distortion, even at high levels.
At the heart of the GT25 is the innovative Carbon-Fiber-Graphene membrane. This material combines exceptional stiffness with extremely low moving mass. The result is very fast impulse processing and precise reproduction of the finest details without harshness or sharpness in the high-frequency range.
The specially developed, pressure-relieved magnetic system ensures optimal ventilation of the voice coil. This reduces thermal and mechanical compression effects, which is crucial for maintaining consistent sound quality at increasing volume. This is complemented by the Copper Eddy Current Brake, which specifically utilizes eddy currents to effectively minimize distortion (THD).
With the exclusive MagForce technology, the magnetic flux in the drive system is linearized. The force distribution remains stable across the entire working range, which directly reflects in a natural, spatial, and very finely resolved high-frequency reproduction.
The GT25 is designed for use with a high-pass starting at 2,800 Hz/24 dB/Octave and can be flexibly integrated into OEM positions, A-pillars, or custom installation concepts thanks to extensive accessories.
The GAMMA GT25 is equipped with a system-specific plug connection. This allows for a direct and secure connection with the GAMMA crossover.
This plug-in solution significantly simplifies installation, reduces installation errors, and ensures a reliable electrical connection, even in tight installation conditions in the vehicle.
- Membrane: Carbon-Fiber-Graphene
- 4 Ohm impedance
- Recommended high-pass: 2,800 Hz/24 dB
- System-specific connection plug
- optional OEM design grille in silver or black
Technical Data
- DC Resistance (Rdc): 3.3 Ω
- Impedance (Ohm): 4 Ω
- Resonance frequency (fs): 1050 Hz
- Voice coil diameter: 25 mm
- SPL 2.83V/1m: 91 dB
- Dome/Tweeter: Carbon-Fiber-Graphene
- Crossover frequency: > 2800 Hz 24 dB/Oct

