Gradient Gradient Revolution Floorstanding Speakers

Gradient Revolution

  • Frequency Response: 50-20000Hz +/-2dB, -6dB@30Hz
  • Impedance: 6 Ohms, minimum 5 Ohms
  • Sensitivity: 87dB/2.83V/1m

User Reviews (1)

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DKim   AudioPhile [Dec 26, 2012]

Sound of the these speakers is effortlessly transparent and airy. It projects an amazing holographic 3-D sound of an electrostat, but has the bass, slam, and speed of a cone speakers. There is no box resonance or coloration to speak of. It also does not have the narrow listening sweet spot like electrostats, it produces a room-filliing sound that sounds great everywhere in the room. Low points are that due to very low sensitivity, it requires powerful amplification to make the sound come alive. My Mcintosh MA6900 integrated amp pumps out a healty 200 watts per channel but it's barely enough for this power hungry speakers. It's fine at moderate volumes but at higher volumes and complex musical passages it does't seem nearly enough, I would recommed at least 400 watts per channel in to 4 ohms of high-quality solid state amplificationl. For tubes I would recommend at least around 150 watts per channel, not too many tube amp produces that much power. However it is not a difficult speaker to drive in terms of impedance - mostly at around 6 ohms and dips to around 4 in the lower bass region but never gets close 3 or below.

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