3. QK3

QK3

30 Watt

QK3

Technical Highlights

  • Power max. 80 watts, impedance 4 ohms, resonance frequency 130Hz.
  • Neodymium magnet, paper membrane, cast aluminum basket, drilled pole core.
  • Installation diameter 74mm, installation depth 43mm, diameter 93mm.
  • More technical details
€360.00
€360.00 €360.00
2% discount with credit card

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ProductQK3

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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.

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Steg-QK3-3" (8cm) Mitteltöner-masori-kaufen
€360.00
€360.00 €360.00

The QK3 3-inch midrange drivers from Steg are high-quality technology for audiophile connoisseurs. With their powerful neodymium magnet, they set the super lightweight paper diaphragm in motion and deliver a unique sound. They are not only technically up to date – their features, including a ventilated aluminum die-cast basket and a drilled pole core, set standards. Due to their handy 3" size and the included aluminum rings and grille, they are also easy to install. With an impedance of 4 Ohm and a maximum power of 80 watts, the QK3 from Steg meets the highest demands for sound performance.

Features

  • 3" midrange driver with damped paper diaphragm
  • Impedance: 4 Ohm
  • RMS power 30 watts
  • Max power 80 watts
  • Resonance frequency Fs: 130Hz
  • Total quality Qts 0.696
  • Equivalent volume Vas: 0.623L
  • Diaphragm mass Mms: 3.317g
  • Ventilated aluminum die-cast basket, drilled pole core, neodymium magnet
  • Outer diameter: 93 mm
  • Installation diameter: 74 mm
  • Installation depth: 43 mm
  • Hole circle LK: 4x 86 mm
  • Includes black aluminum ring (diameter 100mm) and grille

Frequently Asked Questions about QK3

Was sind die technischen Hauptmerkmale der QK3 Mitteltöner von Steg?

The QK3 midrange drivers from Steg feature a 3" damped paper diaphragm that ensures a particularly balanced sound. They have an impedance of 4 ohms and a maximum power of 80 watts. Technologically advanced, the ventilated aluminum die-cast basket and the drilled pole core set standards in sound reproduction. The powerful neodymium magnet drives the diaphragm with impressive efficiency. With a resonance frequency of 130 Hz and a total quality factor Qts of 0.696, audiophile requirements are definitely met.

Welche Abmessungen haben die QK3 Mitteltöner und wie beeinflussen sie den Einbau?

The QK3 midrange drivers have an outer diameter of 93 mm and a mounting diameter of 74 mm, with a mounting depth of 43 mm. These compact dimensions, along with a bolt circle of 86 mm, allow for easy integration into existing systems. Due to their size, the QK3s are perfect for vehicles with limited installation space. The included aluminum rings with a diameter of 100 mm and the grille simplify installation and complement the aesthetic aspects of the installation environment.

Wie wirkt sich der Neodymmagnet auf die Performance der QK3 Mitteltöner aus?

The neodymium magnet of the QK3 midrange driver from Steg is known for its high field strength at low mass, resulting in a strong and precise driving force for the paper diaphragm. This positively influences the dynamics and detail fidelity of the reproduced sound. Compared to conventional magnets, the neodymium magnet allows for a more compact design, making installation in tighter spaces easier. The efficiency and clarity it provides to this midrange driver are particularly advantageous at high volume.

Welche Parameter definieren die Klangeigenschaften der QK3 Mitteltöner?

The sound characteristics of the QK3 midrange drivers are primarily determined by the resonance frequency of 130 Hz and the total quality factor Qts of 0.696, which together enable precise bass reproduction. Additionally, the equivalent volume Vas of 0.623L influences the flexibility in tuning for different enclosure types. The diaphragm mass Mms is 3.317g, which affects the response speed of the diaphragm and contributes to clear sound reproduction. These parameters define the foundation for the superior audio performance of the QK3.

Welche Materialien werden in den QK3 Mitteltönern verwendet und warum?

The QK3 midrange drivers from Steg use a paper-damped diaphragm, chosen for its light weight and good damping properties. The aluminum die-cast basket provides strength and torsional rigidity, while its ventilation openings support heat dissipation. The drilled pole core helps reduce air compression effects and ensures linear diaphragm movement. Overall, these material choices reflect the need for a lightweight yet stable construction that delivers a natural and accurate sound image.

Welche Leistungsanforderungen stellen die QK3 Mitteltöner an ein Audiosystem?

For optimal performance, the QK3 midrange drivers require an amplification that can deliver their RMS power of 30 watts per channel, ideally with an impedance of 4 ohms. The maximum power stores peak signals up to 80 watts, which is useful for dynamic music. Therefore, an amplifier should be configured for a power output within these parameters to avoid overload and ensure sound quality. Make sure that the amplifier covers the full bandwidth to maximize the performance of the QK3 midrange drivers.

Wie vereinfachen die mitgelieferten Aluringe die Installation der QK3?

The included aluminum rings with a diameter of 100 mm facilitate the adjustment and secure mounting of the QK3 midrange drivers in various vehicles and enclosures. They provide more flexibility during installation by allowing slight adjustments to already existing openings. This increases compatibility without compromising the structural integrity of the installation site. The rings act as stabilizers and protect the speakers from vibrations that can occur in vehicles due to the nature of road surfaces. This optimizes the audio experience.

Welche akustischen Vorteile bietet der belüftete Alu-Gusskorb in den QK3 Lautsprechern?

The ventilated aluminum die-cast basket of the QK3 speaker helps to ensure the stability of sound reproduction through heat dissipation, even during prolonged operation. This structure reduces thermal compression effects that could impair sound dynamics. The aluminum casting additionally provides structural strength, preventing the speaker from deforming under load, which extends the lifespan of the speaker. Furthermore, the ventilation offers controlled airflow around the voice coil, supporting cool performance.

Welche spezifischen Tipps gibt es für den Einbau der QK3 in ein autoaudiosystem?

When installing the QK3 in a car audio system, attention should first be paid to the adaptation to the installation diameter of 74 mm and the installation depth of 43 mm. These features, combined with the bolt circle of 4x 86 mm, determine compatibility with the existing infrastructure in the vehicle. Note that the included aluminum rings can help make adjustments if the vehicle cutouts have a slightly different measurement configuration. These adjustments optimize acoustic performance as they minimize vibrations and maximize speaker efficiency.

Welche Rolle spielt der gebohrte Polkern im Design der QK3 Lautsprecher?

The drilled pole core in the QK3 speakers plays an essential role in improving ventilation and heat dissipation across the voice coil. The drilling reduces a significant portion of the heat generated during operation, contributing to an increase in thermal resilience. This property minimizes distortions that could occur under thermal overload and ensures the performance of the speakers even at sustained high levels.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de

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