Technical Highlights

  • Subwoofer with 450 watts RMS, impedance 2x2 ohms, efficiency 86 dB.
  • 50 mm copper voice coil, cast aluminum basket, carbon dust cap.
  • Klippel-optimized, pressed paper cone, U-shaped foam surround.
  • More technical details
Regular price €236.55
Regular price -5% €249.00 selling price €236.55
2% discount with credit card

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ProductGZW 10-30A

including VAT
Estimated delivery: Sep 17–Sep 22.
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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.

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Regular price €236.55
Regular price €249.00 selling price €236.55

The GZW 10-30A from Ground Zero is a 10" (25 cm) Subwoofer designed for its high-quality sound. Equipped with a Klippel®-optimized and pressed paper cone, it delivers clear and powerful bass. With its U-shaped foam surround and a robust aluminum die-cast basket, it offers both stability and durability. The 50 mm copper voice coil and audiophile polycot centering emphasize the pursuit of excellent sound reproduction. Another feature is the carbon dustcap and aluminum short circuit ring, which contribute to the efficiency and performance of the Subwoofer. With a power handling of 450 Watts RMS and an impedance of 2x 2 Ohm, the GZW 10-30A is ideal for high-performance audio setups. Its efficiency of 86 dB recommends a power of 300 – 600 Watts.

Features

  • 25 cm SQ Subwoofer
  • Klippel® optimized
  • Pressed and formed paper cone
  • U-shaped foam surround
  • Aluminum die-cast basket
  • 50 mm copper voice coil
  • Audiophile polycot centering
  • Carbon dustcap
  • Aluminum short circuit ring

Technical Specifications

  • Type: High-Quality SQ Subwoofer
  • Diameter: 25 cm
  • Power handling (RMS): 450 Watts
  • Impedance: D2 (2x2 Ohm)
  • Efficiency: 86 dB
  • Power recommendation: 300 – 600 Watts

Frequently Asked Questions about GZW 10-30A


How does the Klippel optimization work in the GZW 10-30A?

The Klippel optimization particularly affects the diaphragm movement and linear distortion of the GZW 10-30A. This technology uses laser measurement techniques to improve the optical precision of the paper diaphragm under high load. Through precise control, distortions can be minimized and sound quality maximized. As a result, this Subwoofer delivers an exceptional sound output that preserves and accurately reproduces tonal details, especially at low frequencies. This is crucial for making every bass note clearly audible, particularly in demanding musical pieces. This optimization is tailored for the high-quality SQ Subwoofer from Ground Zero to ensure maximum efficiency and performance.

What role does the U-shaped foam surround play in the GZW 10-30A?

The U-shaped foam surround of the GZW 10-30A provides precise control of the diaphragm's position, which is essential for delivering high-quality bass reproduction. This special shape allows the diaphragm to flexibly vibrate while ensuring high stability. This reduces distortions and improves overall control, optimizing the sound image. This foam surround supports the deep, impressive bass that is crucial for a full, immersive sound experience, while the construction guarantees long-lasting durability, which can be particularly important for extremely bass-heavy music pieces.

Why is the 50 mm copper voice coil in the GZW 10-30A important?

The 50 mm copper voice coil in the GZW 10-30A is crucial for the efficient conversion of electrical signals into acoustic energy. This extremely robust component allows for high thermal load capacity, ensuring stable performance even at maximum output. The size of the voice coil permits greater diaphragm excursions, leading to more powerful bass reproduction. In summary: copper as a material reduces electrical resistance and provides excellent heat dissipation. This combination of size and material hardness is particularly important for outstanding performance and durability in the Subwoofer.

What advantage does the aluminum die-cast basket of the GZW 10-30A offer?

In the GZW 10-30A, the aluminum die-cast basket not only provides stability but also plays a role in heat dissipation and resonance minimization. Aluminum is known for its light weight and rigid structure, which prevents the basket from generating unwanted vibrations that could affect the sound. Additionally, aluminum effectively dissipates heat, allowing for stable performance at high power levels. These characteristic properties of the aluminum die-cast basket help preserve the sound fidelity of the Subwoofer and ensure that the bass remains clear and distortion-free even at high volumes.

What function do the Carbon Dustcap and the Aluminum Short Circuit Ring serve in the GZW 10-30A?

Both components, the Carbon Dustcap and the Aluminum Short Circuit Ring, significantly contribute to an improved sound image in the GZW 10-30A. The Carbon Dustcap reinforces the diaphragm structure to ensure stability at high power and distribute bass pressure in a linear manner. This keeps low-frequency sounds detailed and accurate. The Aluminum Short Circuit Ring, on the other hand, reduces inductances and thus improves the electrical efficiency of the Subwoofer, contributing to a low distortion level. These technical aspects harmonize to maintain the overall performance of the Subwoofer in intense audio applications at a high audiophile level.

How suitable is the GZW 10-30A for various car setups?

The GZW 10-30A is suitable for many common car setups due to its compact dimensions of 25 cm and its adaptability, regardless of the car brand. Installation typically occurs in dimensions that allow for the seamless embedding of this specific Subwoofer. However, it should always be ensured that there is enough space for optimal placement. A precise installation is therefore crucial for both efficient performance and preferred sound. When planning, it is important to also consider the electrical requirements, such as operating voltage and impedance, to optimally support different speaker configurations.

What power is recommended for the GZW 10-30A Subwoofer?

For optimal operation of the GZW 10-30A, a power range between 300 and 600 watts is recommended. This power range ensures that the Subwoofer operates within the intended spectrum, maximizing sound quality and maintaining system integrity. A power level within this range, coupled with the high load capacity of 450 watts RMS, allows the Subwoofer to operate stably at both low and very high listening levels. The specific efficiency of 86 dB further supports these power specifications to ensure the most energy-efficient sound delivery without sacrificing acoustic quality.

How does the audiophile Polycot centering affect the sound of the GZW 10-30A?

The audiophile Polycot centering in the GZW 10-30A is an essential aspect of sound reproduction, as it precisely controls the movement of the voice coil. This fine structure helps maintain the linearity of the frequency response by minimizing mechanical irregularities. Through precise control, sound distortions are reduced to a minimum, resulting in clearer and more detailed bass reproduction. This alignment is particularly important for Hi-Fi enthusiasts who value precise and interference-free sound output. This creates a coherent and harmonious sound image that covers all frequency ranges.

Why is the double impedance of 2x 2 Ohm relevant for the GZW 10-30A?

The double impedance of 2x 2 Ohm in the GZW 10-30A allows for flexible adaptation to various amplifier configurations. This versatility is essential for operating the Subwoofer in both parallel and series connections, increasing compatibility with different amplifier systems. Furthermore, it improves the control of the electrical load supplied to the amplifier, ensuring stability with high speaker systems. This impedance configuration maximizes power output and optimizes overall sound yield in complex audio circuits. This makes the Subwoofer particularly flexible for individual adjustments and optimized sound results.

What features support the high load capacity of the GZW 10-30A?

The high load capacity of 450 watts RMS in the GZW 10-30A is supported by several technical factors. The aluminum die-cast basket combined with the 50 mm copper voice coil allows for the dissipation of heat generated during operation, significantly improving thermal load capacity. The carbon dust cap additionally provides structural reinforcement of the diaphragm, supporting its resilience. The U-shaped foam surround minimizes mechanical distortions, ensuring that the Subwoofer remains stable even under high loads. These combined features enable the Subwoofer to deliver high performance over extended periods without experiencing sound distortions or damage.

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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