A modern take on a time-honored design

Since that day long ago, Klipsch has tweaked and fine-tuned their classic design to create the Heresy III. A more powerful woofer, large-magnet titanium diaphragm tweeter, and new titanium diaphragm midrange compression driver all work together to give this speaker a thoroughly up-to-date sound. Klipsch also added dual speaker inputs to allow bi-wiring or bi-amping for even greater performance levels. And they increased the Heresey's already high-efficiency design by 3 dB to an impressive 99 dB — making them an excellent choice for low- and medium-powered tube amps. 


Just about the only thing that hasn't changed is the quality. Klipsch still makes the Heresy one at a time by hand in Hope, Arkansas. Each speaker is available in a beautiful Cherry, Walnut, or Black Ash lacquered wood veneer finish, and includes an angled riser base for floor placement that can be removed for custom installations.

Klipsch Heresy III

SKU: 0155
    • handmade in Hope, Arkansas
    • three-way design with acoustic suspension (sealed) enclosure
    • frequency response: 58-20,000 Hz (±3dB)
    • power handling: 100 watts max continuous (400W peak)
    • sensitivity: 99 dB (1 watt/1 meter)
    • maximum acoustic output: 116dB SPL
    • nominal impedance: 8 ohms
    • tweeter: 1" titanium-diaphragm compression driver with Tractrix® horn
    • midrange: 1-3/4" titanium-diaphragm compression driver with exponential horn
    • woofer: 12" fiber-composite cone
    • real wood veneer finish
    • dual gold-plated speaker binding posts (bi-wire capable)
    • 15-1/2"W x 23-7/8"H x 13-7/16"D
    • weight: 44 lbs.

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