3. Reference K-165

Reference K-165

110 Watt

Reference K-165

Technical Highlights

  • Power 110 watts RMS, max. 180 watts, 37 mm voice coil.
  • Impedance linearized with aluminum ring, hybrid neodymium/ferrite drive.
  • High-tech membrane, diamond structure, Klippel® system optimized.
  • More technical details
€949.05
-5% €999.00 €949.05
2% discount with credit card

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ProductReference K-165

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1 year extra warranty

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datasheet
Ground Zero-Reference K-165-6.5" (16,5cm) Tiefmitteltöner-masori-kaufen
€949.05
€999.00 €949.05

The Ground Zero Reference K-165 is a 6.5" (16.5 cm) mid-woofer designed for demanding sound enthusiasts. With its EISA certification, it stands for high-end sound quality and maximum precision. The speaker impresses with a 37 mm voice coil and a high-tech membrane featuring a diamond structure and a highly damped support cone. A highly efficient hybrid drive made of neodymium and ferrite and an aluminum ring for impedance linearization contribute to its outstanding sound performance. The GZ-design Hexagon-NRG* protective grille with logo option and the gold-plated GZ-design screw terminal emphasize the exclusive design. With a power of 110 watts RMS and up to 180 watts max, combined with optimization using the renowned Klippel® measurement system, the K-165 sets new standards in its class.

Pure High-End Sound Quality

The EISA-certified REFERENCE components receive the utmost attention and care during development.
Without compromise, each component is selected from the best available on the market.
Highest production quality and the most precise monitoring of each manufacturing step ensure perfect performance data, supreme sound quality, and the best workmanship expected by demanding customers.
To underscore the high-end status of the REFERENCE products, every amplifier, speaker, and subwoofer is certified by the in-house quality department and delivered in elegant, handcrafted wooden packaging from Germany.

Features

  • 165 mm Pure High-End mid-woofer
  • 37 mm Voice Coil
  • High-Tech membrane with diamond structure and highly damped support cone
  • Highly efficient hybrid drive made of neodymium and ferrite
  • Aluminum ring for impedance linearization
  • GZ-design Hexagon-NRG* protective grille with logo option
  • Gold-plated GZ-design screw terminal
  • Copper-colored aluminum magnet cover
  • Optimized using the renowned Klippel® measurement system
  • 110 Watts RMS
  • 180 Watts max

Frequently Asked Questions about Reference K-165

How does the 37 mm voice coil of the Ground Zero Reference K-165 affect sound quality?

The 37 mm voice coil of the Ground Zero Reference K-165 significantly contributes to sound quality by supporting excellent heat dissipation and maintaining performance stability over longer periods. This larger coil allows for more precise control of diaphragm movements, which is particularly important at high levels. As a result, the sound is richer in detail and more dynamic, without distortion. Not least because of this specification, the Reference K-165 is capable of reproducing both low and mid frequencies with unparalleled precision, which is of particular interest to discerning audio enthusiasts.

What role does the high-tech membrane with diamond structure play in the Ground Zero Reference K-165?

The high-tech membrane with diamond structure in the Reference K-165 provides superior stability and reduces unwanted resonances. This structure allows for maintaining sound transparency even at high volumes and improves the sharpness of musical details. By combining it with a highly damped support cone, the movement of the diaphragm is optimally controlled. These technical features ensure that the speaker delivers both deep bass and clear, undistorted mids, making it ideal for audiophiles who demand the highest fidelity.

Why is the hybrid drive made of neodymium and ferrite advantageous in the Reference K-165?

The hybrid drive made of neodymium and ferrite in the Reference K-165 offers an effective combination of strong magnetic performance and increased efficiency. Neodymium is known for its high magnetic density, while ferrite is robust and heat-resistant, ensuring that the speaker remains stable even at high volumes. This combination leads to improved efficiency and precise sound reproduction across the entire frequency range. Especially if you enjoy listening to music at high volumes, you will benefit from the enhanced performance of this drive system, which provides clear and powerful sounds.

How does the aluminum ring contribute to impedance linearization in the Ground Zero Reference K-165?

The aluminum ring for impedance linearization in the Reference K-165 plays a crucial role in minimizing impedance fluctuations that could affect audio quality. By stabilizing the impedance curve across the entire frequency range, it achieves consistent performance, reducing distortion and making sound details clearer. This enhances the overall clarity and definition of the audio signal, allowing both loud and soft passages to be reproduced faithfully. This technical sophistication is particularly beneficial for discerning listeners who value precise sound quality.

What is the performance capability of the Ground Zero Reference K-165 speaker?

The Ground Zero Reference K-165 speaker offers an RMS power of 110 watts and can handle peak loads of up to 180 watts max. This power ensures that even at higher volumes, no distortion occurs and the sound remains clear. Combined with carefully tuned components and the Klippel® measurement system optimization, this enables flawless sound performance. If you have high demands for volume and sound fidelity, the Reference K-165 ensures that your listening needs are met with outstanding precision and dynamics.

What advantages does the Klippel® measurement system offer in the Reference K-165?

The renowned Klippel® measurement system used for optimizing the Reference K-165 ensures precise tuning and fine adjustment of the speaker. This system employs advanced laser and calibration techniques to minimize unwanted distortions and anomalies in the frequency response. By detecting and correcting mechanical and electronic inconsistencies, it achieves exceptionally clear and undistorted playback quality. Audiophiles particularly benefit from the exact sound reproduction that the Klippel® system enables, thus supporting the high-end audio performance of the speaker.

What function does the GZ-Design Hexagon-NRG protective grille serve in the Reference K-165?

The GZ-Design Hexagon-NRG protective grille of the Reference K-165 serves several key functions: it protects the delicate speaker membranes from mechanical damage while also giving the speaker an aesthetically pleasing appearance. The grille design ensures optimal air circulation around the membrane, contributing to cooling and thereby improving the performance and lifespan of the speaker unit. The integration of a logo option also offers customization, making the Reference K-165 not only an acoustic but also a visual highlight in any audio system.

What are the specific dimensions of the Reference K-165 speaker?

The Ground Zero Reference K-165 is a 165 mm (6.5 inch) pure high-end woofer/midrange speaker. With these dimensions, it fits into many standard speaker openings and is suitable for a variety of applications without the need for major modifications. The size and construction allow for easy integration into existing sound systems, whether in vehicles or home audio systems. If you want to install the speaker in a car, it is important to check the specific installation options of your vehicle to ensure compatibility, as not all vehicles support the same dimensions.

What role does the gold-plated GZ design screw terminal play in the Reference K-165?

The gold-plated GZ design screw terminal in the Reference K-165 ensures that the connection between the speaker and amplifier is optimally conductive and corrosion-resistant. Gold-plated connections offer reduced resistance and prevent oxidation, which could impair sound quality over time. This technical detail is particularly important to maintain the integrity of signal transmission, which is essential in high-end audio systems to enable maximum sound performance. Especially with intensive use, the terminal ensures lasting stability and excellent sound transmission.

How does the copper-colored aluminum magnet cover contribute to the design of the Reference K-165?

The copper-colored aluminum magnet cover of the Reference K-165 not only gives the speaker a high-quality, visually appealing finish but also contributes to shielding against electromagnetic interference. This cover serves to optimally protect the voice coil while maintaining the overall harmony of the design, which is particularly attractive to discerning users who value both performance and aesthetics. The clever design of the cover reflects Ground Zero's technical ambitions to combine uncompromising quality with stylish presentation.

Manufacturer information/responsible person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

E-Mail: info@ground-zero-audio.com

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