Ground Zero Radioactive SQ GZRC 165.3SQ-ACT 6.5" (16.5cm) speaker set

Name: Ground Zero Radioactive GZRC 165.3SQ-ACT 6.5 inch speakers
Brand: Ground Zero
Price: 296.65 EUR
Availability: InStock

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Ground Zero Radioactive SQ GZRC 165.3SQ-ACT 6.5" (16.5cm) speaker set

Efficiency 90 dB, frequency response 35 Hz to 25 kHz, optimal.
With 6.5 inch aluminum cone, rubber surround, perfectly tuned.
Low-resonance steel basket, Nomex spider, 3-way active system.
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Audio SystemAvalanche 165-3

Audio SystemHelon H 165 PA-4

Radioactive SQ GZRC 165.3SQ-ACT by Ground Zero

Discover the Radioactive SQ GZRC 165.3SQ-ACT 3-way SQ component speaker system from Ground Zero. With a diameter of 6.5 inches (16.5cm), this speaker set is specially designed for active playback. It features a black anodized aluminum cone and a rubber surround, and has a low-resonance steel basket. Other special features include a Nomex centering spider and the included protective grilles, making this system a perfect addition to your sound. With an efficiency of 90 dB and a frequency response of 35 Hz to 25 kHz, this speaker set delivers excellent sound quality.

Features

6.5 inch front system set
3-way SQ component speaker system for active operation (without crossovers)
Black anodized aluminum cone
Rubber surround
Nomex centering spider
Low-resonance steel basket
GZRT 25SQ
GZRM 80SQ
For active operation
Incl. protective grilles

Specifications

Type: 3-way SQ component speaker system
Diameter: 165 mm
Efficiency: 90 dB
Frequency response: 35 Hz – 25 kHz
Tweeter: GZRT 25SQ
Midrange speaker: GZRM 80SQ
Woofer/midrange speaker: GZRK 165SQ
Installation Ø: 142.5 mm
Installation depth: 68 mm
Crossover frequency: 200 / 4300 Hz

Frequent questions about Radioactive SQ GZRC 165.3SQ-ACT

Wie wird das Radioactive SQ GZRC 165.3SQ-ACT im Auto installiert?

When installing the Radioactive SQ GZRC 165.3SQ-ACT, it is important to consider the exact dimensions of 165 mm in diameter and a mounting depth of 68 mm. The installation opening should have a diameter of 142.5 mm. Since it is an active 3-way component system, no crossover is required, which simplifies the installation. The correct placement of the tweeters (GZRT 25SQ) and midrange drivers (GZRM 80SQ) can significantly affect the sound. Pay attention to the placement of the protective grilles to protect the membranes. A suitable installation location without resonances improves the listening experience.

Welche technischen Merkmale bietet das Radioactive SQ GZRC 165.3SQ-ACT?

The Radioactive SQ GZRC 165.3SQ-ACT is characterized by its black anodized aluminum diaphragm and a rubber surround that ensure clarity and precision. A resonance-optimized steel basket contributes to stability, while the Nomex centering spider ensures durability. The frequency response of 35 Hz to 25 kHz combined with an efficiency of 90 dB allows for a clear and detailed reproduction of a wide spectrum. This 3-way component system has been specifically designed for active operation without crossovers, enabling flexible integration into existing audio systems.

Was sind die Komponenten des Radioactive SQ GZRC 165.3SQ-ACT Lautsprechersystems?

The Radioactive SQ GZRC 165.3SQ-ACT includes various specialized components: The tweeter GZRT 25SQ ensures clear reproduction of high frequencies. The midrange speaker GZRM 80SQ is designed to accurately represent mid frequencies. The woofer/midrange speaker GZRK 165SQ completes the set by powerfully reproducing low and mid frequencies. This division allows the speaker system to create a precise soundstage. Additionally, protective grilles are included to ensure the longevity of the speaker components.

Welche Frequenzen deckt das Radioactive SQ GZRC 165.3SQ-ACT ab?

The Radioactive SQ GZRC 165.3SQ-ACT has an impressive frequency response of 35 Hz to 25 kHz, covering both deep bass and high treble. This bandwidth, combined with an efficiency of 90 dB, provides consistent and clear audio playback even at higher volumes. The crossover frequencies at 200 Hz and 4300 Hz ensure that the transition between the individual components of the 3-way system is harmonious, without frequency cancellations or overlaps.

Warum ist die Aluminium-Membran des Radioactive SQ GZRC 165.3SQ-ACT vorteilhaft?

The black anodized aluminum membrane of the Radioactive SQ GZRC 165.3SQ-ACT offers several advantages: aluminum is lightweight, allowing for quick movements and thus leading to precise sound reproduction. The anodization protects the material from corrosion and increases its lifespan. This design improves detail fidelity in music reproduction, especially in high and mid tones. Especially when you like to listen to music loudly, the sound remains clear without distortion. The combination with the rubber surround helps to minimize unwanted resonances.

Wie beeinflusst der resonanzarme Stahlkorb die Leistung des Radioactive SQ GZRC 165.3SQ-ACT?

The resonance-optimized steel basket of the Radioactive SQ GZRC 165.3SQ-ACT plays a crucial role in sound quality. By minimizing self-resonances, the steel basket supports an uncolored sound reproduction, which is particularly advantageous at higher volumes. The stable frame reduces vibrations that could disturb the sound image, thus ensuring a more precise audio playback. This is especially helpful when complex musical pieces are played, as each speaker fulfills its task without sound impairments.

Welche Rolle spielt die Nomex Zentrierspinne im Radioactive SQ GZRC 165.3SQ-ACT?

The Nomex centering spider in the Radioactive SQ GZRC 165.3SQ-ACT is a central component for the mechanical stability of the speaker. Nomex, known for its heat resistance and strength, ensures that the speaker diaphragm remains in the correct position and moves evenly even under prolonged load. This reduces distortion during audio playback and contributes to a longer overall lifespan of the speaker. In combination with the rubber surround, the centering spider allows for precise movement control, which significantly supports sound clarity.

Ist das Radioactive SQ GZRC 165.3SQ-ACT kompatibel mit meinem Auto?

The compatibility of the Radioactive SQ GZRC 165.3SQ-ACT depends on the space conditions in your vehicle. With a diameter of 165 mm and a mounting depth of 68 mm, as well as a mounting opening of 142.5 mm, this system is universally adaptable for installation, provided the specified dimensions are available in your vehicle. Additionally, the mounting points must absorb vibrations well to allow bass tones without distortion. However, for older or special car brands, it may be necessary to make adjustments so that the sound of the speaker is fully realized.

Welche Vorteile bietet der Wirkungsgrad von 90 dB beim Radioactive SQ GZRC 165.3SQ-ACT?

An efficiency of 90 dB for the Radioactive SQ GZRC 165.3SQ-ACT means that the speaker is efficient and delivers high volume with low power consumption. This is advantageous when the amplifier's power reserves are limited. A higher efficiency also ensures that sound details are clearly perceivable when playing both quieter and louder passages. Especially in actively operated systems without additional crossovers, this offers flexibility in integration to tailor the sound according to personal preferences.

Welche Übergangsfrequenzen hat das Radioactive SQ GZRC 165.3SQ-ACT?

The Radioactive SQ GZRC 165.3SQ-ACT has crossover frequencies at 200 Hz and 4300 Hz. These crossover frequencies are crucial for the seamless interface between the various speaker components of the system. At 200 Hz, the low/mid-range is handed over to the midrange driver, while at 4300 Hz, the tweeter takes over. A precise tuning of these frequencies helps to avoid frequency gaps or overlaps, creating a smooth and detailed sound image, thus ensuring an optimal listening experience.

Herstellerinformation/verantwortliche Person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

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

Let customers speak for us

from 9059 reviews

Jean François Tedesco

Alpine tube 12 bazooka , Un sacré caisson de basses ,

Un sacré caisson de basses , j'ai eu un 46 cm killer 454 de l'époque année 90 , qui tapait vraiment bien , mais ce tube est bien plus fort et plus ample, toutes les basses passent sans problème, avec une télécommande à réglage multiples taramps eq bass , et un ampli Machete de masori , le couple est parfait, personnellement j'en ai deux tubes et ça donne énormément, avec l'ampli 2 x 530 en 4 ohms . Parfois le plus simple est bien meilleur et plus durable .

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11/29/2025

Bartosz Erber

X-10 v3 d2

Hallo. Sehr freundlicher Kundenservice und schnelle Auftragsabwicklung. Der Lautsprecher ist brandneu und unbenutzt. Ich habe ihn vor einiger Zeit gekauft, aber erst kürzlich das Gehäuse fertiggestellt. Die Parameter entsprechen den Herstellerangaben: 42,5 Liter Nettovolumen, abgestimmt auf 32 Hz und 21 mm starkes Sperrholz. Ich hatte noch nie einen 10-Zoll-Lautsprecher und wusste nicht, was mich erwartet, aber das Ergebnis hat meine kühnsten Erwartungen übertroffen. Der Bass aus einem so kleinen Lautsprecher in einem so kleinen Gehäuse ist einfach unglaublich. Um den X-10 zu kaufen, habe ich meinen DD 712f in einem 70-Liter-Gehäuse verkauft, und der war ein Volltreffer. Der Sundown ist in jeder Hinsicht besser. Ich kann diesen Lautsprecher und den Händler, bei dem ich ihn gekauft habe, wärmstens empfehlen. Beste Grüße.

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11/18/2025

tatazz

Est arrivé à la maison très rapidement

Est arrivé à la maison très rapidement 👌🏽

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Anonym

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Geht echt gut und leicht zum einstellen

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Très satisfaisant.

Bonjour, je reçu le colis bien emballé.
Je recommande vivement, la livraison est gratuite et rapide, je recommanderai sûrement encore chez Masori.

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Bought again

Bought again. Great price, fast delivery, nice !

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Perfect sound, I bough 2 pairs for the door and

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Der Einbau war Plug & Play, alles passt perfekt ohne Anpassungen.
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