ESB Audio 2.6K3U — Duemila 2000 Series 3-Way Speaker System (2.165 + 2.UMA) | HF Audio Labs

A Three-Way System Built Around ESB's UMA Technology at an Accessible Entry Point

The ESB 2000 Series 2.6K3U is a three-way component speaker system designed around ESB's UMA integrated mid-high driver technology.

The system pairs the ESB 2.UMA — a combined assembly housing a midrange driver and tweeter — with the 2.165 II mid-woofer. The result is a complete three-way front stage designed to bring ESB's integrated mid-high approach to enthusiasts at the most accessible price point in the ESB lineup.

Why UMA Technology Matters

The relationship between the midrange and tweeter is one of the most critical factors in a three-way installation. Placement, crossover behavior, and how these two drivers interact all affect the final result.

ESB's UMA approach addresses this by housing the midrange and tweeter in a single integrated assembly. This controls their physical relationship before the installation begins, reducing the variables that can complicate a three-way build.

The 2.UMA Mid-High Driver

The 2.UMA combines a midrange driver and tweeter in one unit. The tweeter uses a silk-impregnated fabric dome diaphragm selected for its low moving mass and natural damping characteristics. The midrange uses a pressed paper cone with waterproof treatment. Both drivers share a common voice coil design that keeps moving mass low and power handling consistent.

Combined frequency response: 130 Hz to 25 kHz.

2.165 II Mid-Woofer

The 2.165 II provides the low-frequency foundation of the system. The basket was designed for torsional rigidity, keeping the cone aligned during sustained operation. A pressed paper cone with waterproof treatment and a Y-35 ferrite magnet motor support consistent, controlled performance.

Specifications: 4 ohm nominal impedance, 120W nominal power handling, 240W transient, 65 Hz to 9 kHz frequency response, 91.5 dB sensitivity at 2.83V/1m.

Designed for Real-World Installation

The 2.6K3U suits enthusiasts stepping into a three-way front stage for the first time, or building a three-way system where the budget is a practical consideration. The 2.UMA works well in A-pillar locations, sail panels, and upper door positions. The 2.165 II handles midbass from the door.

The system supports passive integration with compatible crossover networks and active integration for DSP-based installations.

HF Audio Perspective

The 2000 Series represents ESB's commitment to bringing their design philosophy to the most accessible price point in the lineup. The fundamentals are sound — the UMA integration approach, the driver materials, and the construction goals are consistent with what ESB builds throughout the range.

A properly installed 2.6K3U, supported by appropriate door treatment, amplification, and tuning, can produce a front stage that significantly outperforms what its price might suggest. For enthusiasts beginning their system-building journey with ESB, this is a strong and confident starting point.