ProAc K6 Floorstanding Speakers

Frequency Response: 25Hz–30kHz. Sensitivity: 90dB. Recommended Power: 10–250 Watts. Impedance: 4 Ohms. The ProAc K6 is an engineering masterclass featuring dual 6.5-inch Kevlar-coned bass drivers handcrafted for extreme rigidity and speed. It utilizes a 2-inch dome midrange housed in a CNC-machined aluminum horn, paired with a ribbon tweeter as light as a human hair. The cabinet uses high-density fiberboard heavily damped with bitumen to eliminate resonances. A downward-firing port ensures deep, authoritative bass that remains fast and controlled, allowing for flexible placement without sacrificing clarity.

Critics frequently laud the K6 for its stunningly accurate soundstage, often comparing its transparency to high-end electrostatic panels. Reviewers emphasize the seamless integration between drivers, noting a sweet and airy high-frequency response that avoids fatigue. The midrange is consistently described as holographic, providing an intimate connection to vocals and acoustic instruments. Experts note that while the speaker remains technically precise and flat, it maintains a musical character that brings a fresh sense of realism to every recording.

This system offers a rare blend of technical transparency and emotional depth, making it a definitive choice for those who want to stop analyzing gear and start experiencing music. Its high sensitivity allows it to be driven effectively by a wide variety of amplifiers, from modest tube designs to high-powered solid-state units. Given the labor-intensive construction and use of premium materials like Kevlar and Alnico, this is a refined instrument designed to deliver a grand, pin-sharp imaging experience that remains rewarding for a lifetime of listening.

Brand	ProAc
Type	Floorstanding Speakers
MSRP	$32,395.00
Serial #	368, 369
Cosmetic Rating	8 - Very good condition with minimal visible cosmetic wear including some wear and scratches to the edges of the speaker cabinets, and some chips on the rear of the bases. These blemishes are not visible from a listening position.
Functional Notes	Operational condition of this item is excellent, fully tested and no issues found.
Age	3 years
Owners	2
Service History	None