Martin Audio MLD, Large-format, numerically-optimized multi celled downfill element for MLA.

Martin Audio MLD, Large-format, numerically-optimized multi-celled downfill element for MLA.

The Martin Audio MLD Downfill is an important MLA System component. Using just one – or at most - two Downfills to cover the first few rows maximizes the projection and efficiency of the entire array. Line array systems project, or throw better when the inter-cabinet angles are small. Unfortunately, real-world requirements often dictate that the flown array must cover right up to the stage barrier. Arrays designed in this manner take on the familiar, highly-curved, banana shape. This is wasteful of array elements as almost half the array ends up being used to cover the first thirty meters/one hundred feet - leaving fewer boxes to reach the back seats. The solution is to add a cabinet with a wider vertical dispersion. In Downfill’s case, this is 20°. Using only one - or at the most two - Downfills at the bottom of an array results in a lower curvature more directional array that projects much further and covers right up to the stage barrier. The Downfill’s benefits are not confined to the vertical plane. With an extremely wide horizontal dispersion of 120°, the Downfill reaches to front-row-central as well as the ends of the front rows. Our HiBlade™ patent-pending technology ensures ultra-high frequencies propagate right out to the edges of the dispersion pattern. Conventional 120° horns without this device tend to lose high-frequency sparkle rapidly, as the listener moves off-axis.

Martin Audio MLD Main Key Features

• Downfill for MLA system
• Three-way all-horn design delivers
• LF/MF/HF peak SPL’s of 139/139/140dB
• 120°H x 20°V coverage
• 52Hz-18kHz ± 3dB full-bandwidth frequency response