KLH Model 6 (1960)

A three-way floorstanding speaker that set a benchmark for accurate, affordable hi-fi sound

Overview

The KLH Model Six, introduced in 1960, is a floorstanding loudspeaker system developed during the Henry Kloss era of KLH (1957–1977). It followed the success of the Model One and quickly became one of the most iconic speakers in the brand’s history. Designed as a three-way acoustic suspension system, the Model Six delivered remarkably flat frequency response and transparent sound reproduction, earning its reputation as a benchmark for performance and value. It was widely used in university listening labs and homes across America, prized for its scientific accuracy, neutral tonality, and accessibility.

Specifications

Design type	three-way, floorstanding acoustic suspension design
Frequency response	45 Hz–20 kHz
Sensitivity	108 dB

Design

Context

Introduced in 1960, the Model Six became a cornerstone of KLH’s early product lineup and is considered arguably the most iconic speaker in the brand’s history. It followed the pioneering Model One and helped establish KLH as a leader in high-fidelity audio. The speaker’s combination of accuracy, neutrality, and affordability made it a favorite among audiophiles and academic institutions alike, setting a standard for transparent sound reproduction in its era.

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