Klipsch Model T Shorthorn: The Rare Experimental Horn That Paved the Way

Paul W. Klipsch was an acoustical engineer obsessed with efficiency, dynamics and lifelike sound, and he changed how loudspeakers were designed. His best-known creations are the Klipschorn and the later La Scala. Between them in the experimental lineage sits a rare model, the Klipsch Model T Shorthorn, introduced in 1955 as a break from traditional speaker form and function.

Historical Context and the Birth of the Shorthorn

By the mid-1950s, Paul Klipsch had already made his name with the Klipschorn (launched in 1946), a corner-loaded folded horn speaker known for its extraordinary sensitivity and full-range performance in domestic settings. But it was large, and it had to go in a room corner, which limited where you could put it. Klipsch wanted something more versatile that was just as powerful, so he began experimenting with a shorter, front-firing horn design that could deliver high efficiency without corner loading.

The Model T Shorthorn, introduced in 1955, was the result. It was never meant for mass production - it was a prototype and limited-run testbed for new horn geometries and driver configurations. Built by hand in Klipsch’s workshop in Hope, Arkansas, fewer than 200 pairs are believed to have been produced, which makes it one of the rarest Klipsch models ever made. The “T” is thought to stand for its transitional role, bridging the original Klipschorn and the future La Scala, which would adopt many of the Shorthorn’s innovations.

Availability was limited, but the Shorthorn was demonstrated at audio shows and to select dealers, and it earned praise for its dynamic punch and clarity. The more refined La Scala superseded it in 1959.

Technical Specifications

Sound Quality Characteristics

The Model T Shorthorn was engineered for maximum efficiency and dynamic realism. With a sensitivity of 105 dB, it could produce concert-hall volume levels from just a few watts of tube amplifier power, which suited the low-powered amplifiers of the era.

Sonically, the Shorthorn has a punchy, immediate presentation with exceptional transient response. The 15-inch folded horn woofer produces deep, articulate bass for its era, though it doesn’t quite match the sub-bass extension of the corner-loaded Klipschorn. The upper bass is full and warm, a solid foundation for orchestral and jazz recordings.

The Klipsch 832 compression driver, mated to a Tractrix horn, gives a bright, detailed and highly dynamic treble. Early listeners noted its “lifelike” presence, particularly with vocals and brass instruments. The treble can be forward, though, so it needs careful room placement and amplifier pairing to avoid harshness.

Overall, the Shorthorn’s sound is bold and unapologetic, favoring realism and dynamics over neutrality. It does well with acoustic recordings, big band jazz and vocal performances, which benefit from its high resolution and low distortion.

Notable Features and Innovations

• Front-Firing Folded Horn: Unlike the Klipschorn, the Shorthorn did not require corner placement, offering greater setup flexibility while retaining horn efficiency.
• Tractrix Horn Geometry: The tweeter’s horn uses a mathematically derived Tractrix profile, reducing internal reflections and improving high-frequency dispersion—a hallmark of later Klipsch designs.
• Hand-Built Construction: Each cabinet was crafted from Baltic birch and solid wood, with meticulous attention to internal bracing and sealing.
• High-Efficiency Design: At 105 dB sensitivity, it remains one of the most efficient home speakers ever made.
• 16-Ohm Impedance: Matched to the output transformers of tube amplifiers common in the 1950s.

Market Value and Collectibility

Because of its experimental status and extremely limited production, the Klipsch Model T Shorthorn is a highly sought-after collector’s item. In recent years, original pairs in good condition have sold at auction and through private collectors for $8,000 to $15,000, and fully restored examples bring even higher prices.

Collectibility is driven by:

• Historical significance as a transitional model
• Direct connection to Paul Klipsch’s personal engineering work
• Rarity (fewer than 200 pairs made)
• Growing interest in vintage horn speakers among audiophiles

Originality is key. Speakers with original drivers, horns and cabinetry fetch premium prices. Refinished cabinets or replaced components can significantly reduce value.

Common Issues and Maintenance

Owning a Model T Shorthorn takes careful stewardship. Common issues include:

• Aging Foam Surrounds: The original foam on the 15-inch woofers often disintegrates after 60+ years. Re-foaming or reconing is typically necessary.
• Tweeter Diaphragm Fatigue: The aluminum diaphragm in the 832 driver can develop micro-cracks. Testing with low-level pink noise can reveal distortion.
• Crossover Component Drift: Paper capacitors and older resistors may degrade, affecting tonal balance. Upgrading with modern audiophile-grade parts is common but controversial among purists.
• Cabinet Integrity: Check for warping, veneer lifting, or insect damage, especially in older walnut finishes.
• Horn Cracks: The Tractrix horn’s MDF or plywood construction can develop hairline cracks, affecting sound quality.

Maintenance best practices:

• Store in a climate-controlled environment
• Avoid direct sunlight to prevent veneer fading
• Use a soft cloth for cleaning; never use liquid cleaners on drivers
• Have drivers professionally tested before purchase
• Consider professional restoration for full refurbishment

Comparison to Similar Models

The Shorthorn sits between the Klipschorn’s bass depth and the La Scala’s forward placement. It lacks the Heresy’s mass-market appeal but exceeds it in dynamics and efficiency. Compared to contemporaries like JBL’s professional-grade systems, the Shorthorn offers a more integrated, home-optimized design.

Conclusion

The Klipsch Model T Shorthorn is an experimental model from Paul Klipsch’s golden era of the 1950s. It is rare and demanding in upkeep, and its dynamics, historical importance and connection to Paul Klipsch make it a prize for serious collectors.

A well-restored pair delivers the visceral, emotionally engaging sound of horn loading that few modern speakers can match.

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