3. Motorcycle speakers for bike sound upgrades
  5. Masterstroke MSS-Set

Masterstroke MSS-Set

30 Watt

Masterstroke MSS-Set

Technical Highlights

  • 165mm, power 200W RMS, impedance 4Ohm, neodymium magnet, 6.5" diaphragm.
  • 100mm, power 70W RMS, impedance 4Ohm, neodymium magnet, 4" membrane.
  • 25mm tweeter, power 30W RMS, impedance 4Ohm, fabric/graphene.
  • More technical details
€1,400.00
€1,400.00 €1,400.00
2% discount with credit card

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ProductMasterstroke MSS-Set

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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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datasheet
MorelVirtus Nano Carbon 63
The Morel Virtus Nano Carbon 63 3-way component speaker set with black mesh covers and carbon fiber woofers is shown on a white background.
Ground Zero-Uranium GZUC 165.3SQ-ACT-6.5" (16,5cm) Lautsprecherset-masori-kaufen
Ground ZeroUranium GZUC 165.3SQ-ACT
Steg-Masterstroke MSS-Set-6.5" (16,5cm) Lautsprecherset-masori-kaufen
€1,400.00
€1,400.00 €1,400.00

The Masterstroke MSS set from Steg elevates your audio experience to a new level. It is a high-quality 3-way 165 mm speaker system. Included are two 25mm MSS1 fabric tweeters and two MSS3 100mm (4 inch) midrange speakers. Additionally, the set includes two MSS6 165mm (6.5 inch) woofers. All components impress with high power, robust construction, and excellent acoustic properties, resulting in impressive sound quality.

Features

  • High-end 3-way 165 mm speaker system consisting of
    • 2 pcs. 25mm MSS1 fabric tweeters
      • 25mm tweeter with fabric/graphene diaphragm
      • Power 30W RMS
      • Neodymium magnet
      • Impedance 4Ohm
      • Includes hexagonal grille (glued)
    • 2 pcs. MSS3 100mm (4 inch) midrange speakers
      • 4 inch midrange speaker with carbon fiber diaphragm
      • Power 70W RMS
      • Aluminum die-cast basket
      • Pole core drilled
      • Neodymium magnet
      • fs=97Hz
      • Qms=6.08
      • Qts=0.65
      • VAS=2.04L
      • Impedance 4Ohm
      • SD=50cm²
      • Outer Diameter: 110mm
      • ET: 44mm
      • Installation Diameter: 92.2mm
      • LK: 105mm
      • Includes hexagonal grille (glued)
    • 2 pcs. MSS6 165mm (6.5 inch) woofers
      • 6.5 inch midrange speaker with carbon fiber diaphragm
      • Power 200W RMS
      • Aluminum die-cast basket
      • Pole core drilled
      • Neodymium magnet
      • fs=68Hz
      • Qts=0.81
      • VAS=14.5L
      • Impedance 4Ohm
      • SD=138.9cm²
      • Outer Diameter: 168mm
      • ET: 62.3mm
      • Installation Diameter: 141mm
      • LK: 6 x 158mm

datasheet

Open data sheet

Frequently Asked Questions about Masterstroke MSS-Set

What components are included in the Masterstroke MSS set from Steg?

The Masterstroke MSS set includes a 3-way speaker system with two 25mm MSS1 fabric Tweeters, two 100mm (4") MSS3 midrange drivers, and two 165mm (6.5") MSS6 woofers. The Tweeters feature a fabric/graphene diaphragm with a power rating of 30 Watts RMS and use a neodymium magnet. The midrange drivers have a carbon fiber diaphragm, deliver 70 Watts RMS, and are equipped with an aluminum die-cast basket. The woofers also offer a carbon fiber diaphragm with a power rating of 200 Watts RMS, also in an aluminum die-cast basket. Packaged in hexagonal grids, the Masterstroke MSS set from Steg provides a robust and powerful sound experience.

What technical performance do the 25mm MSS1 Tweeters in the Masterstroke MSS set deliver?

The 25mm MSS1 Tweeters of the Masterstroke MSS set from Steg are characterized by their fabric/graphene diaphragm, which ensures excellent acoustic properties. These Tweeters have a power rating of 30 Watts RMS and utilize neodymium magnets, allowing for a compact design with high magnetic performance. They have an impedance of 4 Ohm, ensuring compatibility with common amplifiers. The high-frequency reproduction of these speakers is remarkable, ideal for complex and dynamic music styles. Additionally, they feature a hexagonal grid that contributes to protection and is aesthetically pleasing.

How does the use of carbon fiber affect the MSS3 midrange drivers?

The carbon fiber diaphragm of the MSS3 midrange drivers in the Masterstroke MSS set from Steg provides an excellent balance between stiffness and weight, resulting in remarkable sound quality. With a power rating of 70 Watts RMS and a drilled pole core in the aluminum die-cast basket, they offer excellent heat management properties. Carbon fiber allows for low distortion and fast response, ideal for mid-frequency ranges. The midrange drivers have Thiele/Small parameters such as fs=97Hz, Qms=6.08, Qts=0.65, with VAS=2.04L and SD=50cm² being important values. This design choice enhances precision and clarity in the midrange sound.

What role does the aluminum die-cast basket play in the MSS6 woofers?

The aluminum die-cast basket of the MSS6 165mm mid-bass driver in the Masterstroke MSS set by Steg features a stable and resonance-free structural design. The use of aluminum ensures excellent heat dissipation, reducing distortion caused by heat. These 6.5-inch woofers provide 200 Watts RMS power and utilize carbon fiber membranes, which, in conjunction with the aluminum die-cast basket, produce clear and powerful bass reproduction without unwanted self-resonances. Technical parameters such as fs=68Hz and Qts=0.81 as well as VAS=14.5L and SD=138.9cm² characterize the precision and performance of this design.

What are the installation dimensions of the mid-range drivers in the Masterstroke MSS set?

The 100mm (4") MSS3 mid-range drivers in the Masterstroke MSS set by Steg have been designed with specific installation dimensions to ensure maximum compatibility when installed in various vehicles. The outer diameter is 110mm, while the installation depth is 44mm. The cutout diameter is set at 92.2mm, and the screw hole spacing is 105mm. These dimensions allow for relatively flexible adaptation to the intended vehicle structure. For optimal performance and sound quality, installation should occur in acoustically suitable enclosures or locations that support resonance-free sound reproduction.

What specific function does the fabric/graphene membrane of the tweeters serve?

The fabric/graphene membrane of the 25mm tweeters in the Masterstroke MSS set by Steg is specifically optimized for outstanding sound reproduction. The fabric provides a fine structure that enables detailed high frequencies, while graphene reinforces the membrane and increases its stiffness without adding extra weight. This combination results in precise sound images and minimal distortion at high frequencies, which is important for clear and detailed sound. The structure also allows for uniform vibration, aiding in the creation of a clean and precise sound landscape, ideal for music lovers with high demands on audio performance.

How are the neodymium magnets used in the speakers of the Masterstroke MSS set?

In the Masterstroke MSS set by Steg, neodymium magnets are used in all types of speakers to ensure high magnetic strength while maintaining a compact design. This ensures efficient drive of the membranes, which is essential for high sound quality and performance. Neodymium is particularly popular due to its strong magnetic properties and small size, as it minimizes the overall mass of the speaker system without sacrificing performance. This allows for easier integration into compact mounting frames and helps improve the overall acoustics of the system through faster and more accurate membrane movement.

What should be considered when installing the mid-bass drivers in the Masterstroke MSS set?

When installing the 165mm (6.5") MSS6 mid-bass drivers in the Masterstroke MSS set from Steg, it is crucial to adhere to the specified installation parameters. With an outer diameter of 168mm and a mounting depth of 62.3mm, these speakers should be placed in acoustically suitable surfaces to avoid resonances. The mounting opening is designed for 141mm, and the hole circle size is specified as 6 x 158mm. Careful planning during placement can significantly improve sound quality by avoiding unwanted cabinet vibrations, thus ensuring clean bass reproduction.

Why is the impedance of 4 Ohm important for the Masterstroke MSS set?

The impedance of 4 Ohm in the speakers of the Masterstroke MSS set from Steg is crucial for compatibility with a variety of audio amplifiers. A lower impedance means that the speaker can be driven more easily by an amplifier, which, however, also depends on the amplifier's performance. At 4 Ohm, the set operates efficiently with most common car audio systems, as these are typically designed for this impedance. This maximizes volume and sound quality with minimal power loss, which is particularly useful for powerful and detailed music playback in a mobile audio environment.

How do the Thiele Small parameters contribute to the characteristics of the midrange drivers?

The Thiele Small parameters of the 100mm (4") MSS3 midrange driver in the Masterstroke MSS set from Steg, such as fs=97Hz, Qms=6.08, Qts=0.65, and VAS=2.04L, are essential technical features that describe the electromechanical properties of the speaker. They help in understanding how the speaker sounds in both closed and open enclosures, influencing resonance behavior, bass reproduction, and overall dynamics. A correct understanding and application of these parameters allows for optimal use of the midrange drivers in various acoustic environments, achieving the perfect balance between precision and volume, thus contributing to the outstanding sound quality of the system.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de

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