Zwaag, The Netherlands (December 2, 2008)–Alcons has introduced its LR7 Micro pro-ribbon line-array speaker, weighing 17.7 lbs. and measuring 1.5 CD high and three CDs wide.
The LR7 is a passive 2-way line-source loudspeaker system. It is to be used as a vertical array, either in stacked or flown configuration, for both portable and permanent installations. The frequency response of 74 Hz (-3 dB) to beyond 20 kHz reportedly enables a full-range deployment without the immediate necessity of additional bass systems. In applications where extended bass response is required, the LR7 can be combined with a pressure-bass or deep-sub system.
Loaded with the RBN401 pro-ribbon driver on a “Morpher” lens (up to 94 percent frontal radiation), the system features a 90- or 120-degree dispersion of choice with seamless coverage, due to the ribbon’s all-natural cylindrical (Isophasic) wavefront. Its transient response and peak power handling (800W/200mS) aims for intelligibility and throw.
The “Morpher” is mounted in the ALrad waveguide, which utilizes the stiffness and heat transfer capabilities of aluminum. Mounted on the RBN, the ALrad extends the cooling surface for even further reducing power-compression for increased SPL over time.
The Signal Integrity Sensing pre-wiring helps with complete cable/connector compensation between the LR7 and ALC. Typical (short- to medium-throw) applications for the LR7 include as a compact main system for theater, AV or corporate events where minimal sightline obstruction is required.
For full system performance, the LR7 is to be used in combination with an ALC amplifier/controller. Driven by the ALC, the 16-Ohm impedance enables up to eight cabinets per controller amplifier channel.