Classic ESL 9

Product Overview

The Classic ESL 9 is a floorstanding hybrid electrostatic loudspeaker designed to deliver a truly transformative listening experience. Built around a 44-inch XStat™ CLS™ electrostatic panel and dual aluminum-cone woofers, it combines electrostatic transparency with dynamic low-frequency authority. Engineered as a reference-level front speaker, the Classic ESL 9 offers precision, scale, and emotional impact that redefine what is possible in a home listening environment.

Specifications

Driver & Acoustic Design

System Format: Hybrid electrostatic floorstanding loudspeaker

High-Frequency Transducer:
44" × 9.2" XStat™ CLS™ Electrostatic Panel

Low-Frequency Drivers:
2 × 8" (203 mm) aluminum-cone woofers

Enclosure Type: Hybrid electrostatic with enclosed bass section

Performance

Frequency Response: 34 Hz – 23,000 Hz (±3 dB)

Connectivity

Signal Inputs: Custom 5-way tool-less bi-wire binding posts

Build & Fit

Speaker Type: Floorstanding front

Pricing: Sold as pair