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The XT25-8 Audio Exciter, part of the Xtreme Series, is designed to deliver exceptional sound performance with a broad frequency range and low distortion. Crafted in Germany, this high-quality exciter is ideal for demanding audio applications requiring precision and power.
XT25-8 Audio Exciter – High-precision, reliable exciter designed for audiophiles and professional sound setups.
The XT25-8 Audio Exciter combines advanced technology and robust design to deliver powerful and accurate sound. With a nominal impedance of 8 Ohms and a maximum power rating of 30 W, it produces clear and dynamic audio across a frequency range of 40 Hz to 19 kHz. Its 2-layer, 25 mm voice coil ensures consistent and reliable performance, making it an excellent choice for professional audio projects.
Its compact form factor, featuring a total height of 21.5 mm and an outer diameter of 46.8 mm, ensures easy integration into various audio systems. The linear Xmax of ±1.4 mm allows for precise sound reproduction while reducing distortion caused by nonlinear factors such as Bl(x) and Kms(x). Designed for reliability and efficiency, the XT25-8 is a superior choice for delivering high-quality audio in both DIY and professional applications.
Curious about how to create invisible sound with exciters? In this blog, Ben Zenker, an expert with more than 15 years of experience and 10 internationally reviewed publications, shares his in-depth knowledge on material selection, installation and optimising sound quality. An indispensable resource for the passionate DIY audio enthusiast.
Xcite offers both 4Ohm and 8Ohm exciters to suit various project needs. The choice depends on your setup. Usually, 4Ohm is preferred for the final configuration, such as using 1x 4Ohm, 2x 8Ohm in parallel, or 4x 4Ohm in a serial-parallel combination. If you need guidance, how to wire several exciters, check out the blog.
Looking in detail, 8Ohm exciters have a lighter voice coil due to a smaller winding diameter, which slightly enhances high frequencies although the inductivity is higher.
At higher volumes, all loudspeakers naturally produce distortion due to non-linearities in their voice coil, magnet, and stiffness design. The exciter design plays a crucial role in determining the level of distortion—a well-designed exciter minimizes it. For panel speakers, distortion is more complex than in traditional speakers, as the exciter is the primary source of distortion, while the panel and construction amplify it. Xcite units are engineered to produce low distortion, ensuring minimal distortion in the source of the final assembly.
Distortions in panel speakers arise from three sources: the exciter, the panel and assembly, with the exciter being the primary contributor. These distortions primarily include harmonic and intermodulation distortions caused by non-linearities in Bl(x) and Kms(x) of the exciter. By filtering the sound pressure using the inverse fundamental frequency response, the influence of the panel’s radiation can be removed, isolating all distortion at the system's input - the exciter. This technique, known as Equivalent Input Harmonic Distortion (EIHD), enables precise analysis of distortions at the exciter level. Xcite uses advanced simulations to identify and optimize the root causes of Bl(x) and Kms(x) non-linearities, minimizing distortion and delivering high-performance results. For detailed measurements, refer to our datasheets.
Motor efficiency factor β measures how efficiently the exciter converts electrical power into mechanical force. A higher value directly translates to greater sensitivity per Watt. Xcite represents this factor on a logarithmic scale to compare the performance of various products, including 4Ohm and 8Ohm exciters. Simply put, a 1dB higher motor efficiency factor means 1dB more in the passband.
Motor efficiency factor is determined by the motor design and influenced by factors such as coil winding layout, material resistivity, and magnetic field strength. Notably, it remains independent of the wire length and cross-sectional area of the wire, allowing for direct comparisons between 4Ohm and 8Ohm exciters. In our datasheets, we express the motor efficiency factor β logarithmically, highlighting differences in passband efficiency per Watt across exciters. This enables a clear evaluation of exciter performance in various configurations. For detailed insights, consult our measurement graphs with the corresponding motor efficiency factor for each product.
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Speakers
Amplifiers
DAC converters
DSP modules
Turntables
Streamers
Woofers
Tweeters
Exciters
Bass shakers
Plate amplifiers
Amplifier modules
Single board computers
Assembled crossovers
Printed Circuit Boards (PCB)
Capacitors
Resistors
Coils
Circuit Breakers
Crossover tools
Screw terminals
Acoustic measurements
Electric measurements
Sound level meters
DIY amplifier kits
DIY component packs
DIY speaker kit
DIY subwoofer kits
DIY bluetooth speaker
DIY electronics kits
Binding posts
Cabinet Hardware
Cables
Connectors
Speaker cabinets
Electromechanics
Power supplies
Speaker repair
Workshop & tools
Amplifier accessories
Stands & mounts
Gift voucher
Books
New products
