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Product Description

Klipsch Heresy IV Loudspeaker (each)

Must be purchased in pairs.

First introduced in 1957, the Heresy, a three-way design, started out as a compact center channel speaker to accompany the Klipschorn® in three-speaker stereo arrays. The Heresy IV offers unparalleled sound quality from a relatively small speaker.

Features

All-new K-702 midrange compression driver, featuring a polyimide diaphragm, for exceptional detail
K-702 midrange is mated to the K-704 Tractrix® horn for a wide coverage pattern
K-107-TI titanium diaphragm high-frequency driver with an all-new wide dispersion phase plug for providing exceptionally even high-frequency dispersion
All-new high fidelity network for truer to life sound, best-in-class efficiency, and power handling
For the first time, the Heresy IV features a rear port for the most efficient, fastest air transfer in their class, which reduces port noise for punchier low frequencies
Klipsch Tractrix ports have custom designed inner flares that help reduce air turbulence entering the port. Less turbulent air helps reduce port noise for cleaner, more powerful bass
Available in a high-quality Black Ash, Natural Cherry, Distressed Oak, or American Walnut wood veneer finish
Designed and assembled in the USA
Comes with a 10-year warranty

Upgrades from Heresy III

Wide dispersion HF phase plug versus the old standard one
K-702 polyimide diaphragm compression driver offers better clarity and dynamics, and is larger than the outgoing K-53 titanium driver
Modified Tractrix horn with Mumps technology for a smoother response, and better coverage over the K-701 horn
Steep-slope network with internal AudioQuest wiring
Now with a port. The Tractrix port offers tighter and faster low frequencies
Cosmetic upgrades include a scripted logo badge, brushed aluminum input panel, salt-and-pepper grille cloth, and improved finishes

Specifications

Frequency Response (+/- 4 dB): 48-20,000 Hz

Sensitivity: 99 dB

Nominal Impedance: 8 ohm

Crossover Frequencies: 4,500 Hz, 850 Hz

HF Driver: K-107-TI 1” titanium diaphragm compression

MF Driver: K-702 1.75” polyimide diaphragm compression

LF Driver: K-28-E 12” fiber-composite cone woofer

Enclosure Material: MDF

Inputs: Dual binding posts / bi-wire / bi-amp

Dimensions (WHD): 15.5" x 24.81" x 13.25"

Weight: 45 lb

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