Klipsch Jubilee
Paul W. Klipsch's final project combining heritage horn-loading with modern DSP technology, offering exceptional 105dB sensitivity with external active DSP crossover for large-scale audio reproduction.
Overview
The Klipsch Jubilee represents founder Paul W. Klipsch’s final project - a fully horn-loaded two-way loudspeaker incorporating patented horn-loaded vented low frequency enclosure and external active DSP crossover network. Standing 69 inches tall and weighing 408 pounds each, these massive speakers deliver 105dB sensitivity with 18Hz-20kHz frequency response. Built in Hope, Arkansas using book-matched wood veneers, the Jubilee combines heritage horn-loading technology with contemporary DSP implementation for phase and time delay correction, targeting audiophiles seeking ultimate efficiency and output capability.
Scientific Validity
\[\Large \text{0.5}\]The Jubilee’s frequency response of 18Hz-20kHz (+1.75dB/-3dB) meets standard criteria for speakers (±3dB within usage band), with the positive deviation (+1.75dB) within acceptable tolerance. Exceptional 105dB sensitivity enables high SPL with minimal amplifier power, and 125dB maximum SPL capability exceeds typical requirements. However, critical measurement data including THD, S/N ratio, and dynamic range are not publicly available from manufacturer specifications. Without credible third-party measurements, conservative evaluation applying 0.1 reduction toward 0.5 is required per policy. Scientific Validity scored at 0.5 due to limited manufacturer-only data preventing comprehensive performance evaluation.
Technology Level
\[\Large \text{0.8}\]The Jubilee demonstrates strong proprietary technology implementation with patented horn-loaded vented enclosure and axiperiodic titanium diaphragm design. Fully in-house Klipsch development represents Paul W. Klipsch’s accumulated horn design expertise since 1946. The integration of traditional horn loading with modern external DSP crossover for phase and time correction shows appropriate technology combination. While horn loading principles are mature, the specific implementation with DSP integration and patent protection provides competitive differentiation. The design leverages high accumulation of horn acoustics know-how that other manufacturers desire to adopt.
Cost-Performance
\[\Large \text{1.0}\]Per strict policy application, all comparison targets must be equal-or-better on the performance axes used. The review target lists frequency response 18Hz–20kHz with asymmetric deviation (+1.75/−3dB) and maximum SPL 125dB [1]. After broad market research using only functional/performance criteria (ignoring internal construction), no finished product or minimum‑accessory bundle with confirmed published/third‑party data meeting or exceeding both the 18Hz low‑end extension and the tighter +1.75dB positive deviation across 20kHz, while also reaching ≥125dB SPL, was identified at a lower price. Therefore, the review target is treated as the cheapest equivalent and CP is set to 1.0.
Reliability & Support
\[\Large \text{0.9}\]Klipsch provides exceptional 10-year warranty on Heritage products, significantly exceeding industry standard 2-year coverage. The horn-loaded acoustic design features simple construction with few moving parts, providing inherent resistance to degradation and failure. Robust MDF/plywood construction enhances long-term durability. Global Klipsch support infrastructure offers dedicated Heritage series support with established track record. The Heritage series demonstrates high reliability since 1946 with proven horn loading technology. Support includes manufacturer warranty coverage with repair/replacement at no charge for defective materials or workmanship, backed by comprehensive global service network.
Rationality of Design Philosophy
\[\Large \text{0.9}\]The design philosophy demonstrates high rationality by combining scientifically proven horn loading efficiency with modern DSP technology for measurable performance benefits. Horn loading provides documented efficiency advantages enabling high SPL with minimal amplifier power. External DSP crossover enables precise phase and time alignment contributing directly to measurement performance improvement. The approach represents advancement over previous Klipsch models through DSP integration while maintaining proven acoustic principles. Advanced functional integration justifies existence as dedicated high-efficiency system rather than general-purpose equipment. Innovation attitude combines traditional horn loading heritage with contemporary technology adoption for objective performance gains rather than subjective enhancements.
Advice
The Klipsch Jubilee suits audiophiles requiring ultimate efficiency and SPL capability in large spaces, particularly those using low-power amplifiers including SET designs. The 105dB sensitivity enables concert-level sound with minimal amplification power. However, the massive 69-inch height and 408-pound weight per speaker require substantial room space and floor reinforcement. The 17,500 USD per speaker (35,000 USD per pair) price represents unique positioning as the only horn-loaded speaker with external DSP crossover technology currently available. Consider room acoustics carefully as horn loading can be sensitive to placement. The external DSP crossover adds setup complexity but enables precise phase and time optimization unavailable with passive designs. For those seeking maximum efficiency without the size constraints, consider smaller Klipsch Heritage models, though none offer equivalent DSP integration and full-range capability.
References
[1] Klipsch - Jubilee Floorstanding Speaker, https://www.klipsch.com/products/jubilee-floorstanding-speaker, accessed 2025-09-18
(2025.9.19)