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Ground Zero Radioactive GZRW 15XSPL 15" (38cm) Subwoofer
SKU:  GZRW15XSPL
EAN:  4037072019520

Radioactive GZRW 15XSPL

SKU:  GZRW15XSPL
EAN:  4037072019520

Technical Highlights

  • Power of 1200 Watts RMS up to 1800 Watts SPL, impedance 2x 2 Ohms.
  • 75 mm copper voice coil, long-stroke sandwich surround, paper diaphragm.
  • Low-resonance steel basket, Klippel optimization, IMPP dust cap.
  • More technical details
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Normal price €269,00
Normal price €279,00 Selling price €269,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
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Normal price €269,00
Normal price €279,00 Selling price €269,00

Radioactive GZRW 15XSPL by Ground Zero

The Ground Zero Radioactive GZRW 15XSPL is a 15-inch Subwoofer from Ground Zero with 1200 Watts RMS and 1800 Watts SPL, as well as an impedance of 2x 2 Ohms. The size is 38 cm. It is Klippel optimized. Equipped with a reinforced paper cone, long-stroke sandwich surround, and resonance-optimized steel basket. The 75 mm copper voice coil is complemented by a 2-layer polycot centering. An IMPP dustcap with a 3D logo is integrated. The efficiency is 87.8 dB, Xmax is 45 mm, the installation depth is 186 mm, the resonance frequency is 34.1 Hz, the damping factor Qts is 0.59, and Vas is 63.3 L. The power recommendation is 1000 to 1800 Watts.

Features
  • 15-inch Subwoofer
  • 38 cm SPL Subwoofer
  • Klippel optimized
  • Reinforced paper cone
  • Long-stroke sandwich surround
  • Resonance-optimized steel basket
  • 75 mm copper voice coil
  • 2-layer polycot centering
  • IMPP dustcap with 3D logo
Technical Specifications
  • Power handling RMS 1200 Watts
  • Power handling SPL 1800 Watts
  • Impedance 2x 2 Ohms
  • Efficiency 87.8 dB
  • Power recommendation 1000 – 1800 Watts
  • Voice coil 75 mm copper
  • Cone Reinforced paper
  • Max. excursion Xmax 45 mm
  • Installation depth 186 mm
  • Resonance frequency Fs 34.1 Hz
  • Damping factor Qts 0.59
  • Equivalent air volume Vas 63.3 L

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Frequently Asked Questions about Radioactive GZRW 15XSPL


What power does the Radioactive GZRW 15XSPL offer?

The Radioactive GZRW 15XSPL from Ground Zero delivers an impressive rated power of 1200 Watts RMS and a peak power of 1800 Watts SPL. This performance allows the Subwoofer to reproduce deep bass with exceptional clarity and precision. The 75 mm copper voice coil contributes to efficient power delivery and allows for high thermal resilience. Thanks to Klippel® optimization, the Subwoofer is technically refined, enabling high precision in sound reproduction, especially for music lovers seeking a deep, powerful bass experience.

What is the impedance configuration of the Radioactive GZRW 15XSPL?

The Radioactive GZRW 15XSPL features a dual impedance structure of 2x 2 Ohms. This dual voice coil configuration offers flexibility in installation, as it allows for various wiring options to meet the specific requirements of an audio system. For example, both coils can be connected in parallel to further reduce impedance, or in series to increase resistance, depending on the amplifier's requirements. This adaptability is particularly valuable in optimizing the overall performance of the audio system.

What special materials are used in the construction of the Radioactive GZRW 15XSPL?

The Radioactive GZRW 15XSPL from Ground Zero uses a reinforced paper cone, known for its lightweight yet stable construction. This cone is crucial for clean, distortion-free bass reproduction. Additional materials include a resonance-optimized steel basket that ensures structural integrity, as well as a 2-layer polycotton surround for increased durability. The use of these high-quality materials helps the Subwoofer remain stable under high-performance conditions while providing excellent sound quality.

What technical details make the Radioactive GZRW 15XSPL special?

The Radioactive GZRW 15XSPL features a Klippel® optimization that enhances sound accuracy. With a long-stroke sandwich surround design, the Subwoofer achieves an Xmax of 45 mm, providing particularly deep bass reproduction. It has an efficiency of 87.8 dB, meaning it delivers more sound power with less power consumption. Additionally, the 75 mm copper voice coil, along with the 2-layer polycotton centering, allows for precise reproduction under maximum load.

What are the dimensions of the Radioactive GZRW 15XSPL and how do they affect installation?

With a diameter of 38 cm (15") and a mounting depth of 186 mm, the Radioactive GZRW 15XSPL is designed for most common enclosure applications. The dimensions allow for a variety of installation options, whether in sealed or bass reflex enclosures, to meet the specific requirements of the sound profile. It is important to match the enclosure volume to the equivalent air volume (Vas) of 63.3 L to achieve the best possible performance in terms of sound depth and sound pressure.

What are the sound characteristics of the Radioactive GZRW 15XSPL?

The Radioactive GZRW 15XSPL offers an extraordinarily deep, voluminous bass foundation through its Klippel® optimization and long-stroke sandwich surround, ideal for music genres with a high bass content. The diaphragm made of reinforced paper ensures a clean bass sound without disturbing distortions. With a resonance frequency of 34.1 Hz, it is optimal for low-frequency reproduction and delivers an excellent damping factor (Qts) of 0.59, meaning it responds dynamically and precisely to a wide range of frequencies.

What does Klippel® optimization mean for the Radioactive GZRW 15XSPL?

The Klippel® optimization of the Radioactive GZRW 15XSPL refers to a technological process that ensures the component delivers optimal acoustic performance under real conditions. This process takes into account and minimizes nonlinear distortions that can occur at high volumes. By precisely monitoring the magnet and drive components, an improvement in the overall control and dynamics of the Subwoofer is achieved, ultimately ensuring accurate and clean bass reproduction, even under maximum load.

What advantages does the long-stroke sandwich surround offer in the Radioactive GZRW 15XSPL?

The long-stroke sandwich surround of the Radioactive GZRW 15XSPL facilitates exceptional excursion and thus an extended frequency range in bass reproduction. This design ensures increased stability and flexibility, allowing the Subwoofer to produce high sound pressure without losing sound fidelity. The sandwich structure allows for better handling of high-performance frequencies while minimizing distortion, resulting in a clean, deep, and full bass experience, ideal for discerning audiophiles.

What features make the IMPP Dustcap of the Radioactive GZRW 15XSPL unique?

The IMPP Dustcap of the Radioactive GZRW 15XSPL is adorned with a striking 3D logo and serves to protect the internal components while simultaneously improving mass vibration properties. The material used, Injection Molded Polypropylene (IMPP), is both lightweight and robust, meaning it minimizes vibrational energy loss, allowing the driver to operate more efficiently. This technical sophistication contributes to a clear, powerful sound profile, which is particularly advantageous when reproducing low-frequency tones.

What installation tips are there for the Radioactive GZRW 15XSPL Subwoofer?

The installation of the Radioactive GZRW 15XSPL should take into account its mounting depth of 186 mm. A proper installation in a housing with sufficient volume, ideally matched to the equivalent air volume (Vas) of 63.3 L, significantly improves bass quality. Also, ensure that the housing is securely mounted to minimize resonances. For wiring, the impedance of 2x 2 Ohm allows for both parallel and series connection options for flexible adaptation to your amplifier.

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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