Vandersteen M5-HPA high-pass mono block amplifiers (pair)

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  • Channels1
  • Amplifier Power150 W (8 Ω)
    300 W (4 Ω)


M5-HPA is a scaled-down version of the M7-HPA. This product shares the sonic excellence of its larger sibling, while offering variable high pass settings and a smaller size. Due to the adjustable high pass, this product is compatible with every Vandersteen speaker.

Vandersteen Audio's liquid-cooled M7-HPA (High-Pass Amplifier) is the inspiration for this all-solid-state version in a smaller package. The dramatic reduction in distortion realized by Vandersteen’s patented Perfect-Piston™ drivers (US patent #8320604) made it clear to Richard Vandersteen that the next frontier of speaker performance would only be achieved by designing a radical new state-of-the-art amplifier from the ground up, and this is the result for owners of Quatros, KĒNTO Carbons, or Model 7's which are not played loudly or are in large spaces.

Vandersteen for years has employed amplifiers custom-tailored to each design in Vandersteen’s subwoofers and the equalized bass sections in its powered-bass loudspeakers in conjunction with passive 100 Hz. high-pass filters for ultimate performance. When paired with a Vandersteen-powered subwoofer and/or a powered-bass Vandersteen speaker, the M5-HPA mono-block creates a completely powered loudspeaker system in which the amplification over the entire frequency range is driven by perfectly tailored amplification.

Richard Vandersteen is responsible for the M5-HPA’s overall design and architecture; the amplifier was developed and built in a partnership between Vandersteen Audio and Dean Klinefelter, a talented designer and engineer.

M5-HPA Design and Performance Features:

  • 300-Watts Into 4 Ohms
  • Zero-Feedback Design With Dual Single-Ended Circuits Connected By The Speaker Load
  • All Signal Transistors NPN Bipolars
  • Minimal Circuit Path (only 5 parts in the signal path) with Buffered Outputs
  • 10 Separate Power Supplies
  • All Analog Circuit Logic – NO DIGITAL PROCESSING OF ANY KIND]
  • Integral 200 Hz,100Hz, 80 Hz, 40 Hz, 20 Hz adjustable High-Pass Filter
  • Aluminum Chassis with Noise Isolation Feet from HRS
  • No Emmiter Resistors in the Output Stage
  • DBS - Dielectric-Bias-System
  • Includes Silver and Copper BiWire 30" HPA Interface Cable
  • Made in the USA

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