Technical Highlights

  • 165 mm speaker set, 3 ohm impedance, excellent audio performance.
  • Voice coil diameter 25 mm, effective membrane area 135 cm².
  • Resonance frequency 60.46 Hz, outstanding sound, technical precision.
  • More technical details
Regular price €649.00
Regular price €649.00 selling price €649.00
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ProductZero 165.3 DC

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 €649.00
Regular price €649.00 selling price €649.00

Gladen Zero 165.3 DC is a 6.5 inch (165 mm) Speaker Set. The set includes an 80 mm midrange driver, a 25 mm Tweeter, and a Crossover for mid-high frequencies. The nominal impedance is 3 Ohms and the DC resistance is 2.8 Ohms. The resonance frequency is 60.46 Hz. The voice coil diameter is 25 mm, and the effective diaphragm area is 135 cm². The specified power ratings are 2 x 150 Watts and 2 x 100 Watts. Other parameters include Qms 3.71, Qes 0.58, Qts 0.50, Mms 12.12 g, Rms 1.24 kg/s, Cms 0.57 mm/N, BL 4.7 Tm, Vas 14.63 liters, efficiency 0.53 %, and a sound pressure level of 93.84 dB at 2.83 V/1 m.

Features
  • 6.5 inch (165 mm) Speaker Set
  • 3 Ohm impedance
  • 80 mm midrange driver
  • 25 mm Tweeter
  • Crossover (for mid-high frequencies)
  • 2 x 150 Watts
  • 2 x 100 Watts
Technical Specifications
  • Name HG-165Z
  • DC resistance Rdc 2.8 Ohms
  • Resonance frequency fs 60.46 Hz
  • Voice coil diameter 25 mm
  • Mechanical Q factor Qms 3.71
  • Electrical Q factor Qes 0.58
  • Total Q factor Qts 0.50
  • Moving mass Mms 12.12 g
  • Effective diaphragm area Sd 135 cm²
  • Mechanical resistance Rms 1.24 kg/s
  • Compliance Cms 0.57 mm/N
  • Force factor BL 4.7 Tm
  • Equivalent volume Vas 14.63 liters
  • Efficiency 0.53 %
  • Sound pressure level 2.83 V/1 m 93.84 dB

Frequently Asked Questions about Zero 165.3 DC


What technical specifications characterize the Zero 165.3 DC?

The Zero 165.3 DC from Gladen is a 6.5-inch Speaker Set with a nominal impedance of 3 Ω and a DC resistance of 2.8 Ω. It features a resonance frequency of 60.46 Hz, ideal for detailed sound. The voice coil diameter is 25 mm. With an effective diaphragm area of 135 cm², it delivers excellent sound quality. The mechanical Q factor is 3.71, while the electrical Q factor is specified at 0.58. The total Q factor is 0.50. Additionally, there is a moving mass of 12.12 g and a mechanical resistance of 1.24 kg/s. The efficiency is 0.53 %.

How powerful is the Gladen Zero 165.3 DC Speaker Set?

This Speaker Set offers a power of 150 watts for peak performance and 100 watts for RMS. The combination of midrange and Tweeter ensures a comprehensive frequency response. The optimized Crossover, specifically designed for the mid and high-frequency range, ensures that the sound remains clear and precise, even at high volume. The design of the 165 mm speakers ensures that the 3-Ω impedance provides maximum efficiency, while the high sound pressure level of 93.84 dB at 2.83 V/1m allows you to enjoy every audio phase with impressive volume.

What role does the voice coil diameter play in the Zero 165.3 DC?

A voice coil diameter of 25 mm in the Zero 165.3 DC allows for excellent precision and a high level of control over the sound. A larger diameter can often lead to improved heat dissipation, reducing the likelihood of distortion at higher power. The combination of this specification with a mechanical Q factor of 3.71 promotes technical precision in sound reproduction. This mix of parameters enables a comprehensive, powerful sound that impresses in any environment. Technically, this diameter optimizes the balance between size and mass inertia of the diaphragm.

How does the nominal impedance of 3 Ohms affect the performance of the Zero 165.3 DC?

The 3-ohm nominal impedance of the Zero 165.3 DC allows more current to flow through the speakers, resulting in a more powerful audio playback. Unlike typical 4-ohm systems, a lower impedance improves the sensitivity and efficiency of the speaker, often leading to a more intense sound reproduction. This feature, combined with a BL factor of 4.7 Tm and a mechanical resistance of 1.24 kg/s, ensures that the speaker can optimally reproduce dynamic and detailed audio signals while avoiding overload.

What makes the resonance frequency of 60.46 Hz in the Zero 165.3 DC Speaker Set special?

A resonance frequency of 60.46 Hz means that the Gladen Zero 165.3 DC Speaker Set is particularly well-tuned to reproduce low frequencies with great clarity. This characteristic is crucial for expressive bass reproduction. Additionally, the resonance frequency interacts effectively with the net volume (Vas) of 14.63 dm³ and the compliance Cms of 0.57 mm/N, ensuring impressively clean and precise low-frequency performance. Combined with the high sound pressure level, this speaker is ideal for music lovers who desire rich bass with enhanced detail.

How does the Crossover improve the sound of the Zero 165.3 DC Speaker Set?

The Crossover in the Zero 165.3 DC is crucial for separating audio signals into different frequency ranges, ensuring that both the 80 mm midrange driver and the 25 mm tweeter receive the appropriate frequencies. This precise distribution significantly improves sound clarity, as distortions are minimized and each speaker operates in the optimal tonal range. The electrical Q factor of 0.58 underscores the technical tuning and adaptation to this crossover, which overall enables a harmonious sound image that stands out positively in any room.

How does the effective diaphragm area Sd of 135 cm² affect the sound?

The effective diaphragm area of 135 cm² in the Zero 165.3 DC is crucial for the ability to move air efficiently, significantly contributing to volume and sound richness. A larger diaphragm area allows the speaker to produce fuller and deeper tones. Considering the mechanical resistance of 1.24 kg/s, the full potential of the diaphragm unfolds to make bass audible powerfully and without loss. Combined with a sound pressure level of 93.84 dB, this is perfect for rich, dynamic sounds at all volume levels.

What tips are there for installing the Zero 165.3 DC in a car?

When installing the Zero 165.3 DC Speaker Set in vehicles, the available space should be taken into account. The 165 mm speaker size is compatible with many vehicle types. It is important to adjust the installation depth and diameter to the installation location before installation. Using a sturdy mount can help reduce vibrations, ensuring consistent sound quality. When wiring, using high-quality cables should be a top priority to ensure the best possible connection. Poor or loose connections could negatively affect sound quality and undermine the technical effort.

What features does the Gladen Zero 165.3 DC Speaker Set have?

The outstanding features of the Zero 165.3 DC include its Crossover for mid and high frequencies, which guarantees precise separation and sound tuning. The combination of an 80 mm midrange driver and 25 mm tweeters, along with a voice coil diameter of 25 mm, significantly optimizes sound quality. The moving mass of 12.12 g and the high mechanical Q factor together deliver remarkable playback quality. It is important to note the resistance, which, with a nominal impedance of 3 Ω, maintains efficiency and allows for playback at high volumes without loss of sound fidelity.

What performance does the Zero 165.3 DC Speaker Set deliver at different frequencies?

The Zero 165.3 DC offers precise frequency coverage with a mechanical Q factor of 3.71, which excellently reproduces low frequencies, while the electrical Q factor of 0.58 ensures clarity in the high-frequency range. The resonance frequency at 60.46 Hz highlights its ability to deliver deep bass, which is powerful thanks to the maximum pressure of 93.84 dB. The electro-mechanical total Q factor (Qts) of 0.50 ensures balanced sound output. These features help give the Speaker Set superior performance that will satisfy both musicians and audio enthusiasts.

Manufacturer information/responsible person

Gladen Europe GmbH
Alexandra Gladen

Postal address:
Bertha-Benz-Str. 97
2141 Walddorfhäslach
Germany

Contact: info@gladen.com

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