Vonyx WK13 - 13cm (5.25") 100W RMS Hi-Fi Woofer with Kevlar Cone

Vonyx WK13 - 13cm (5.25") 100W RMS Hi-Fi Woofer with Kevlar Cone

The Vonyx WK13 is a high-performance woofer designed for audio enthusiasts seeking accurate and powerful low-frequency reproduction. Part of the acclaimed WK series, this 5.25-inch (13 cm) woofer is the ideal choice for both replacing speakers in existing Hi-Fi systems and building custom audio projects (DIY). Its robust construction is designed to handle peak power with exceptional clarity, delivering dynamic and detailed sound. At the heart of its performance lies the woven Kevlar fiber cone, a material known for its extraordinary rigidity and lightness, which ensures a fast transient response and minimizes distortion, even at high volumes.

Main Features

• Kevlar Fiber Cone: The distinctive yellow cone is not just for show; it is made from Kevlar, a material that provides superior rigidity for punchy, accurate bass, eliminating unwanted resonance.
• Solid Power: Capable of handling 100W RMS power and peaks up to 200W, this woofer delivers reliable and consistent performance for an immersive listening experience.
• High Strength Moving Coil: Equipped with a 1-inch, 4-layer, ventilated, heat-resistant moving coil that ensures efficient heat dissipation and prevents power compression during prolonged use.
• Durable Rubber Suspension: The high-quality rubber rim or suspension allows for linear cone excursion, resulting in deeper, more controlled bass reproduction, as well as ensuring a long lifespan.
• Powerful Magnetic Motor: Incorporates a large 19-ounce ferrite magnet that provides a strong magnetic field for precise control of the cone's movement and increased efficiency.

Benefits for the Listener

Integrating the Vonyx WK13 into your audio system will transform your listening experience. You'll get deep, defined, and punchy bass without the muddiness often found in lower-quality speakers. Its ability to handle high power for extended periods makes it perfect for listening to music, watching movies, or enjoying video games with rich, full sound. The durability of its components, such as the heat-resistant voice coil and rubber surround, ensures a long-term investment in sound quality.

Use Cases

This versatile woofer is the perfect solution for a variety of applications. It's an excellent choice for repairing or upgrading bookshelf or floorstanding speakers in home hi-fi systems. Furthermore, its detailed technical specifications and Thiele/Small parameters make it an ideal component for audio enthusiasts who enjoy designing and building their own speaker cabinets, allowing for fine-tuning to achieve the desired sound performance.

Frequently Asked Questions

Is this woofer suitable for a car audio system?
It's not the most common choice. This woofer has an 8-ohm impedance, which is standard in home audio (Hi-Fi) systems. Car audio systems typically use speakers with an impedance of 4 ohms or less. While it might work, it wouldn't offer optimal performance with a standard car amplifier.

Do I need to install a filter or crossover with this speaker?
Yes, it is highly recommended. For optimal performance, a woofer should only receive the frequencies it is designed for (low frequencies). A low-pass filter or crossover should be used in your system to send the bass frequencies to the Vonyx WK13 and the mid and high frequencies to the other appropriate speakers.

What advantage does the Kevlar cone offer compared to other materials such as paper or polypropylene?
Kevlar is an extremely strong and lightweight synthetic fiber. In a speaker cone, this translates to increased rigidity, allowing it to move like a perfect piston without deforming. The result is lower distortion, improved transient response (fast, percussive sounds), and greater clarity in bass reproduction.

Project description

13 cm (5.25 inch) woofer with a nominal impedance of 8 ohms. Rated power 100W RMS and 200W peak. Features a Kevlar fiber cone, rubber surround, and a 1 inch (25.9 mm) 4-layer heat-resistant voice coil. The magnetic motor consists of a 19 oz (538 g) ferrite magnet in a steel basket. Its frequency response extends from an Fs of 69 Hz to 6,000 Hz, with a sensitivity of 85 dB (1W/1m). Requires a mounting diameter of 114 mm and a depth of 69 mm.