ALL NEW 1151 Mono Power Amplifier Boulder, October 26, 2024

Boulder has the rare combination of technical and creative skills required to design this visually stunning and high-performance power amplifier.

Loudspeakers demand high-powered amplifiers to play at realistic levels. Even at low volumes, absolute control of the speaker is what makes you stop and listen.

Boulder has been providing this experience for over 40 years. Our history includes amplifiers that were used when capturing some of the greatest recordings ever made, so we know a thing or two about flawless audio reproduction. We also know that giving the 1151 Mono Amplifiers enough power to rein in the most challenging loudspeakers in a manageable package is the best way to bring these recordings to life in your home.

The heritage of Boulder’s 40 years of experience in amplifier design is evident in every aspect of the Boulder 1151 Mono Power Amplifier. Don’t take our word for it, we encourage you to hear it for yourself.

Features

  • 350W peak power per channel into 8 ohms, 600W peak power into 4 ohms, 750W peak power into 2 ohms
  • Space saving design is the same footprint (width and depth) as the 1110 Preamplifier and 1161 Stereo Amplifier and allows the use of a standard power cord
  • Truly balanced input connections and output stage as with other 1100 Series products
  • Newly developed protection circuitry safely and immediately shuts down the output section in case of shorted speaker cables or faults in the system and allows for greater peak power output
  • Smaller carton packaging means easier transportation, unpacking, and installation
  • Revised and redesigned automatic biasing circuit accurately stabilizes bias to eliminate the need for manual calibration
  • Output stage uses 40 output transistors and 12 supply capacitors per chassis to ensure stable, high-power output into any load while maintaining detail and clarity.
  • The 1151 provides high amounts of current, making even the most difficult speaker perform to its fullest potential.
  • Dual speaker connections via easy to connect, high-current speaker terminals to accommodate bi-wired loudspeakers

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https://boulderamp.com/
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