3. Car Amplifier
  5. Masterstroke MSK 1500

Masterstroke MSK 1500

400 Watt

Masterstroke MSK 1500

Technical Highlights

  • High performance Class A/B technology, power up to 1500W (2Ω).
  • Very low noise FET input stage, triple Darlington stage.
  • Protection systems, variable 12dB paragraph booster, 2 fans.
  • More technical details
€3,000.00
€3,000.00 €3,000.00
2% discount with credit card

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ProductMasterstroke MSK 1500

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datasheet
ARC AudioPSC
ARC Audio-PSC-DSP-Zubehör-masori-kaufen
Steg-Masterstroke MSK Class A-2-Kanal Verstärker-masori-kaufen
StegMasterstroke MSK Class A
Steg-Masterstroke MSK 1500-2-Kanal Verstärker-masori-kaufen
€3,000.00
€3,000.00 €3,000.00

More power than Masterstroke MSK 1500 here!

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Discover the Masterstroke MSK 1500, the impressive 2-channel amplifier from the provider Steg. This masterpiece is characterized by an unparalleled synthesis of decades of audiophile research. You will be impressed by the power and solidity of this amplifier, which exceeds all expectations regarding high-fidelity audio for cars. With a high-performance Class-A/B amplifier, a very powerful preamplifier, and a low-noise FET input stage, the Masterstroke MSK 1500 offers exceptional sound quality. Every construction detail speaks to the precision and care that went into the development of this 2-channel amplifier.

core features

  • High-performance Class A/B amplifier
  • Very high-performance preamplifier with integrated circuits (OPA2134, NE5532)
  • Very low-noise FET input stage (Toshiba 2SK389 / 2SJ109)
  • Triple Darlington stage with SANKEN, SANYO, and Hitachi output transistors
  • Stabilized PWM (up to 11V) with "regeneration of inductive energy."
  • Gold-plated copper PCB / transfer rails / RCA and power connectors
  • 56 selectable frequencies (22-8500 Hz / AQXM2 modules)
  • Noise protection circuit G.R.I.P.S. - Improved path system with GRound filter reaction selectable between Butterworth and Tchebychev types, 12 dB/oct. configurable X-Over filter with HP/LP/BP and full range.
  • Linear adjustable 12dB parametric booster (40-120Hz)
  • P.R.H.E.E.S.S. - Primary regulated high-efficiency supply system, protection against: short circuit, continuous current at the speaker, heatsink temperature, and starting transistors.
  • High-efficiency heat sink with ventilation tunnel and 2 fans
Data
  • 2-channel amplifier
  • Class-A/B
  • 2x 200W (4Ω)
  • 2x 400W (2Ω)
  • 1x 800W (4Ω Bridged)
  • 1x 1500W (2Ω Bridged)
  • Input sensitivity: 0.4 V - 5.5 V
  • Dimensions 420 x 60 x 255 mm
  • Weight: 7.4 kg

datasheet

Open data sheet

Frequently Asked Questions about Masterstroke MSK 1500

Welche Leistung bietet der Masterstroke MSK 1500 Verstärker?

The Masterstroke MSK 1500 from Steg offers impressive performance data: The 2-channel amplifier delivers 2x 200W at 4 ohms and 2x 400W at 2 ohms, with bridged operation achieving up to 1x 800W at 4 ohms or 1x 1500W at 2 ohms. Especially when you want to use demanding speakers, the high wattage will allow you to generate an enormous sound volume. This power enables the drive of a wide range of speakers, even at high sound pressure and dynamic music sequences, without compromising sound quality.

Welche Art von Verstärker ist der Masterstroke MSK 1500?

The Masterstroke MSK 1500 is a Class A/B 2-channel amplifier that combines the advantages of Class A and Class B amplifiers in one device. With Class A/B technology, you get a better efficiency than with a pure Class A amplifier, while also achieving improved distortion-free sound reproduction compared to Class B amplifiers. This design minimizes distortions in the low power range and efficiently outputs high power levels with low distortion, resulting in clear and dynamic audio enjoyment.

Welche besonderen technischen Merkmale hat der Masterstroke MSK 1500?

The Masterstroke MSK 1500 is equipped with high-performance technology, including a very powerful preamplifier with OPA2134 and NE5532 integrated circuits. The very low-noise FET input stage uses Toshiba 2SK389 and 2SJ109 for minimal distortion and optimal sound fidelity. The triple Darlington configuration with Sanken, Sanyo, and Hitachi output transistors enhances the amplification quality. This is complemented by a stabilized PWM power supply, gold-plated copper PCBs, transfer rails, and RCA as well as power connectors for the best signal transmission and reliability.

Wie wirken sich die verbauten Filter im Masterstroke MSK 1500 auf den Klang aus?

The Masterstroke MSK 1500 features a configurable 12 dB/oct. X-Over filter that can be switched between high-pass, low-pass, and band-pass. With 56 selectable frequencies ranging from 22 to 8500 Hz in the AQXM2 module, this amplifier offers enormous flexibility in sound tuning. The filter types can be chosen between Butterworth and Chebyshev. This allows for precise interventions in the sound image to minimize distortion and adjust the sound pressure according to individual listening preferences, especially when tuning complex speaker setups, resulting in an impressive sound sculpture.

Was ist das besondere an der Rauscharmut der FET-Eingangsstufe beim Masterstroke MSK 1500?

The very low-noise FET input stages of the Masterstroke MSK 1500 use high-quality Toshiba 2SK389 and 2SJ109 transistors. These FETs are known for their excellent low noise and linearity, ensuring very low signal degradation. The advantage of this technology lies in its ability to amplify the input signal without noise or distortion, preserving the nature of the audio source. Especially in critical audio playback situations, such as during quiet music passages, the clean and clear sound image without audible noise is particularly appreciated.

Wie wichtig ist die Kühlung des Masterstroke MSK 1500 im Betrieb?

Cooling is an essential aspect of the Masterstroke MSK 1500 to ensure reliable and stable performance. The highly efficient heat sink is equipped with a ventilation tunnel and two fans that serve to dissipate heat from the power components. The thermal management system prevents the components from overheating, which extends the lifespan of the electronic parts and maintains sound quality even under heavy load. Especially at high power output, such as when operating in bridged mode at 2 ohms, the system ensures optimal operating temperatures.

Welche Frequenzen können mit dem Masterstroke MSK 1500 eingestellt werden?

The Masterstroke MSK 1500 allows the adjustment of 56 different frequencies in the range of 22 to 8500 Hz thanks to the AQXM2 modules. This flexibility enables precise customization of the sound profile to your preferences. This is particularly useful when tuning different speaker systems, for example, to optimize the transition from mid to high frequencies or to adjust the bass range for powerful reproduction of low frequencies. This control helps to optimally adapt the audio output to the room acoustics and your personal listening preferences.

Welche Schutzmechanismen sind im Masterstroke MSK 1500 integriert?

The Masterstroke MSK 1500 is equipped with several protective mechanisms to ensure the safety of the electronics and connected systems. These include systems against short circuits to prevent electrical damage, protection against continuous direct current at the speaker that could damage the speaker membranes, as well as a protection mechanism for monitoring the heatsink temperature. Additionally, there is a reduction in the startup electronics to slowly supply power to the amplifier circuits, thereby minimizing on-off noise, which is particularly advantageous in high-load applications.

Wie installiere ich den Masterstroke MSK 1500 im Auto?

When installing the Masterstroke MSK 1500, the dimensions of 420 x 60 x 255 mm and the weight of 7.4 kg must be taken into account. Ensure a suitable location that provides enough space for ventilation to enable optimal cooling conditions. The dimensions should be considered in the designated installation spaces of the vehicle, as the amplifier will be permanently installed and connected to the existing power supply and speaker systems. A robust mounting to prevent vibration damage is recommended, especially in intense driving situations or when the amplifier is placed near subwoofers.

Ist der Masterstroke MSK 1500 mit meinem Auto kompatibel?

The compatibility of the Masterstroke MSK 1500 with your vehicle depends on the installation options and available space in the car. With dimensions of 420 x 60 x 255 mm, the amplifier can be accommodated in many standard locations intended for car audio components. As long as the available space meets the specified dimensions and the need for adequate ventilation, installation should be feasible. Since no specific car brand is mentioned in the product description, installation should generally be pursued in most vehicle models where the space and connection options fit.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de

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