The ES 1.0 is a 3-way high output, active-driven, compact mid/high/mid-bass speaker module. It is designed as part of a sound reinforcement speaker system that includes the EPAK™ 2500 control and amplification system plus a variety of bass modules.
The ES 1.0 speaker system benefits from being designed to operate exclusively above 100 Hz. By optimizing the ideal operating band pass of each system component, the ES 1.0 can achieve extremely high output levels consistently and safely.

• High-output, compact, lightweight Mid/High Module.
• 131 dB sustained output.
• Wide dispersion, rotatable, integrated Mid/High horn design provides optimized transducer loading and controlled dispersion.
• New Patent-Pending 1.75” (44mm) diaphragm titanium compression driver with complex geometry phase plug for higher output and lower distortion performance and neodymium.
• Six-inch midrange driver with 1.75” (44mm) neodymium magnetic motor structure for increased control and output and decreased distortion and weight.
• Proprietary midrange heat dissipation system controls voice coil temperature, ensures high dynamics and extends transducer lifespan.
• Horn-loaded, twelve-inch mid-bass driver with 3.00” (76mm) voice coil assembly and neodymium magnetic motor structure.
• Professional, exterior-grade Baltic birch construction with wear-resistant polymer coating.
• Proprietary corner and side handle designs for simplified handling and carrying.
• Acetal copolymer high impact, low friction feet are asymmetrically located on three sides allowing vertical or horizontal system set up, lock-in and easy cabinet movement.
• Four internal corner braces tied to eight M10 suspension points. A total of 24 suspension points are available for custom installation applications.

Active-driven by the EPAK™ 2500.
Power, electronic crossovers, phase alignment, equalization, time correction and speaker protection are by the EPAK 2500. This “one plug in, one-plug-out” system ensures fast, easy set up and complete control. It gives you the benefits of active sound reinforcement technology, yet locates the electronics in an easy-access “stand alone” module. Together, the ES 1.0 and EPAK 2500 deliver the highest dynamic range of any system currently available, providing new levels of clarity, depth and resolution.

Advanced compression driver.
KV2 Audio’s transducer partner, 18 Sound in Cavriago, Italy, manufactures all ES 1.0 components. The compression driver is a new, patent pending 1.75-inch titanium diaphragm design, featuring a complex geometry phase plug that dramatically lowers distortion, eliminates ring modes and provides clearer, ripple free performance.

Exclusive KV2 rotatable horn design for maximum flexibility.
The ES 1.0 features a mid/high integrated horn design with a number of unique features. First, the horn can be rotated 90°, allowing for complete flexibility in selection of vertical, horizontal and left / right system set up. The horn design is based on constant-directivity geometry with an emphasis on maintaining low transducer compression ratios, high output and wide dispersion (90 x 40). The midrange speaker is fixed to a large aluminum heat sink which is attached to a precisely designed midrange “chamber”. The combination provides optimal cone loading and heat dissipation. Further loading and dispersion is controlled through a 2.28” (58mm) precision phase plug.

Heat-resistant midrange.
Frequencies between 500 Hz and 2.5 kHz are reproduced by a new six-inch midrange speaker that provides 107 dB of sensitivity (1watt / 1 meter) when coupled with the integrated horn. The magnetic motor assembly features a high temperature 1.75” (44mm) diameter voice coil assembly and extensive use of neodymium. Because of the limited linear movement of most midrange transducers — usually 2-3mm — ventilation of the voice coil assembly and magnetic structure is poor and failure rate from heat fatigue is high. The ES 1.0 midrange dissipates heat passively through the use of a massive aluminum heat sink. When combined with the EPAK 2500 control electronics, the system provides high output levels safely and consistently over infinite periods of time and dramatically reducing heat associated transducer problems such as power compression and decreased dynamics.

Neodymium mid-bass transducer.
The ES 1.0 features a twelve-inch neodymium mid-bass speaker mounted on a slot-loaded horn design. It is important to note that neodymium is not a transducer panacea, as it cannot safely operate at the same typical operating temperatures ferrite does. Using neodymium requires a profound understanding of material science and finite element analysis to properly design a stable, high force magnetic structure that functions correctly. 18 Sound and KV2 engineering jointly designed the twelve-inch mid bass driver for the ES 1.0
The ES 1.0 mid-bass transducer reproduces frequencies from 100 Hz to 500 Hz. The horn mouth is designed for optimal coupling with the mid/high horn assembly in either the vertical or horizontal position. The horn design is responsible for the mid-bass speaker’s resulting high sensitivity and output. The high efficiency neodymium motor provides an extraordinary amount of force that delivers complete control of the cone mass and a high overall weight loss.

Easy to move and set up.
The ES 1.0 is a very compact enclosure featuring a number of ergonomically designed components that make it a light, small, and easy speaker to set up and use. KV2 designed and tooled two new cabinet handles for use in their products. First is a extremely compact “corner handle” that fits snugly into any 90 degree corner. This provides critical pick-up and handle locations previously unavailable. The two corner handles make it easy to pick up and move the ES 1.0 in a natural, instinctive manner. Additionally, there are two compact handles placed top and bottom allowing flexibility in how the cabinet is picked up and moved.
There are four industrial grade, internal braces placed at each corner. Each brace is held in place by four M6 and two M10 bolts providing a wide range of installation and suspension flexibility