3. Car audio brands from Germany
  5. Radioactive GZRF 6.5SQX

Radioactive GZRF 6.5SQX

2 reviews

100 Watt

Radioactive GZRF 6.5SQX

2 reviews

Technical Highlights

  • Power 100/140 watts, impedance 3 ohms, frequency response 50Hz-24kHz.
  • 25mm silk dome tweeter, ferrite magnet, effect 91 dB.
  • Low-resonance steel basket, aluminum membrane, Conex® centering spider.
  • More technical details
€86.73
-27% €119.00 €86.73
2% discount with credit card

Your price match offer

ProductRadioactive GZRF 6.5SQX

Reply within 1–3 working days · Mon–Fri. Outside the EU, we are happy to review an individual offer.

Privacy

This website is protected by hCaptcha. The privacy policy and terms of service of hCaptcha apply.
including VAT
Estimated delivery: Sep 17–Sep 22.
x pair
  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • EPS
  • Google Pay
  • iDEAL Wero
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Shop Pay
  • Twint
  • Union Pay
  • Visa

Delivery & availability

The selected variant is not currently in stock at Masori and is sourced from the supplier. Refer to the estimated delivery window above.

Orders ship together based on the item with the longest lead time. If you need something sooner, ask by email about a possible partial shipment beforehand.

Shipping costs and options depend on the destination. Check the shipping calculator; final costs are shown before placing the order.

Email us the product, car, existing system and budget. We will offer an alternative available sooner.

Ask for an alternative available sooner

Reply in 1–3 working days · Mon–Fri

1 year extra warranty

Every product purchased from Masori includes an additional year of warranty in the third year after purchase (months 25–36). We cover repair or replacement free of charge for covered warranty claims. Automatic and free – exclusively for Masori customers. Your statutory rights remain unaffected.

Warranty terms
datasheet
Ground Zero-Radioactive GZRF 6.5SQX-6.5" (16,5cm) Koaxial-Lautsprecher-masori-kaufen
€86.73
€119.00 €86.73

The Radioactive GZRF 6.5SQX from Ground Zero is a 6.5 inch (16.5 cm) coaxial speaker. The 2-way coaxial speaker system uses an aluminum diaphragm, a rubber surround, and a Conex® centering spider. A resonance-optimized steel basket and a highly efficient 3 Ohm version are integrated. The 25 mm silk dome tweeter with ferrite magnet features high-frequency and overload protection. A protective grille is included. The power handling is 100 Watts RMS and 140 Watts maximum. The efficiency is 91 dB, and the frequency response is from 50 Hz to 24 kHz. The diameter is 165 mm, the installation diameter is 142.5 mm, and the installation depth is 68 mm. A crossover with a 6 dB/oct high-pass filter is present.

Features
  • 6.5 inch (16.5 cm) coaxial speaker
  • 2-way coaxial speaker system
  • Aluminum diaphragm
  • Rubber surround
  • Conex® centering spider
  • Resonance-optimized steel basket
  • Highly efficient 3 Ohm version
  • 25 mm silk dome tweeter
  • Ferrite magnet
  • High-frequency and overload protection
  • Includes protective grille
Technical Specifications
  • Diameter 165 mm
  • Power handling RMS 100 Watts
  • Power handling maximum 140 Watts
  • Impedance 3 Ohm
  • Efficiency 91 dB
  • Frequency response 50 Hz – 24 kHz
  • Tweeter 25 mm silk dome
  • Installation Ø 142.5 mm
  • Installation depth 68 mm
  • Crossover 6 dB/oct high-pass filter

Frequently Asked Questions about Radioactive GZRF 6.5SQX

What technical specifications does the Radioactive GZRF 6.5SQX speaker have?

The Radioactive GZRF 6.5SQX from Ground Zero is equipped with important technical specifications. This 6.5" 2-way coaxial speaker system uses an aluminum diaphragm, which provides stiff and lightweight sound characteristics, while the rubber surround and Conex® spider ensure stability and linearity. The speaker has a highly efficient 3 Ohm design and offers an efficiency of 91 dB, allowing impressive volume levels at lower power. The resonance-optimized steel basket reduces unwanted vibrations, while the 25 mm silk dome tweeter ensures clear highs. Additionally, there is a ferrite magnet as well as high-frequency and overload protection.

What acoustic advantages does the aluminum diaphragm of the GZRF 6.5SQX from Ground Zero offer?

The aluminum diaphragm in the Radioactive GZRF 6.5SQX enables excellent acoustic performance by providing high stiffness at low weight. This results in minimal distortion even at high volumes. Aluminum ensures precise and crisp sound reproduction across the entire frequency range from 50 Hz to 24 kHz, resulting in clean tonal development. The material properties of aluminum help minimize vibrations and increase the overall stability of the diaphragm structure. For enthusiasts of clear and dynamic sounds, this technical choice is a significant advantage in the acoustic design of the speaker.

What frequency range does the Radioactive GZRF 6.5SQX speaker cover?

The Radioactive GZRF 6.5SQX from Ground Zero covers a comprehensive frequency range from 50 Hz to 24 kHz. This means that the speaker is capable of reproducing deep bass as well as high frequencies clearly and distinctly. Especially in combination with the 25 mm silk dome tweeter, this frequency response provides excellent sound precision and musicality across spectra. The crossover with a 6 dB/oct high-pass filter optimizes the distribution of frequencies between the woofer and tweeter, leading to a balanced sound reproduction. This makes the speaker ideal for reproducing a variety of music styles.

What is the power handling of the Radioactive GZRF 6.5SQX speaker?

The Radioactive GZRF 6.5SQX from Ground Zero offers a power handling of 100 Watts RMS and a maximum power handling of 140 Watts. This specified power capacity demonstrates that the speaker is designed for strong and undistorted sound pressure levels, even under heavy use. The use of high-quality materials such as the aluminum diaphragm and the resonance-optimized steel basket contributes to thermal stability and thus to durability under high power consumption. Perfect for listeners who want to enjoy dynamic music at higher volumes without sacrificing sound quality.

How is the Radioactive GZRF 6.5SQX speaker constructed?

The Radioactive GZRF 6.5SQX from Ground Zero has a thoughtful and robust construction. The speaker is based on a resistantly constructed and resonance-optimized steel basket, which ensures that internal vibrations are minimized and the sound remains clear. A Conex® centering spider contributes to the flexibility while also providing stability to the drive unit, allowing for precise diaphragm movement. The rubber surround further enhances the restoring force of the diaphragm, while the 25 mm silk dome tweeter ensures the finesse and fidelity of high frequencies.

Why is the 3 Ohm impedance of the GZRF 6.5SQX speaker advantageous?

A 3 Ohm impedance in the Radioactive GZRF 6.5SQX means that the speaker has less electrical resistance and thus operates more efficiently. This increase in efficiency results in a dynamic and more powerful sound experience, as less energy is lost in the amplifier. In practice, this means that higher volumes can be achieved even with lower amplifier power, without sacrificing quality. This low resistance is particularly beneficial when the speaker system is used in vehicles with built-in amplifiers or modern home theater systems to promote sound precision.

What are the dimensions of the Radioactive GZRF 6.5SQX and how is it installed?

The Radioactive GZRF 6.5SQX has a diameter of 165 mm and a mounting depth of 68 mm. The installation opening requires a diameter of 142.5 mm to securely mount the speaker. Due to the compact size of the speaker, it fits into many existing speaker cutouts, both in vehicles and in Hi-Fi systems. When installing, it should be noted that the mounting surface must be low in vibrations to avoid potential interference. The included protective grille provides additional mechanical protection in various installation scenarios, whether in the car or in the living room.

How does the high and overload protection work in the GZRF 6.5SQX speaker?

The high-frequency and overload protection of the Radioactive GZRF 6.5SQX ensures that the sensitive components of the speaker are not damaged by excessive voltage or excessive frequencies. In particular, the silk dome tweeter can be protected from uncontrolled volume peaks or disturbances in the frequency response. The protection mechanisms act as overload safeguards and protect the diaphragm and other components from thermal damage by limiting the speaker output. This technical safety solution promotes the longevity and reliability of the speaker under various operating conditions.

What makes the silk dome tweeter in the GZRF 6.5SQX special?

The 25 mm silk dome tweeter in the Radioactive GZRF 6.5SQX from Ground Zero is characterized by its ability to deliver smooth and detailed high-frequency accents. Silk as a material represents a warm and natural sound character. The tweeter covers the upper range of the frequency spectrum up to 24 kHz, making it ideal for reproducing crystal-clear highs. The design aims to enable harmonic and even sound transmissions without distortion – perfect for listeners who appreciate balanced and precise audio quality.

How does the resonance-optimized steel basket of the GZRF 6.5SQX affect sound quality?

The resonance-optimized steel basket in the Radioactive GZRF 6.5SQX ensures that disturbing self-resonances are minimized, which significantly contributes to sound quality. Such a construction allows for a more stable fixation of the speaker diaphragm, which in turn reduces distortion and promotes clear sound. The rigidity of the steel basket ensures that acoustic energy is efficiently converted into sound rather than unwanted vibrations. The result is an authentic and accurate sound reproduction that is suitable for all music genres and remains clean even at high volumes.

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

Your advantages with Masori

  • 3-year warranty

    Exclusive to Masori

  • Price guarantee

    Your price advantage

  • Pay in instalments

    Klarna & PayPal

  • Customer reviews

    Real experiences

  • An upgrade for your car and budget

    Advice by email

Recently viewed products