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The Blackline H3H+ is a very high performance, all-horn, three-way system in a single, horizontally formatted, wide-bandwidth package. New drivers have been developed for improved performance in all bands. The Hybrid low frequency section comprises a horn-loaded 15" (380mm)/4" (100mm) voice coil driver that is reflex loaded to extend the LF output to below the natural cut-off point of the horn. The new LF driver features a water resistant cone and triple roll surround for increased excursion.
The mid-horn of the H3H+ has a unique 'phase-ball' loading device which maintains the constant directivity characteristics of the horn at the upper end of its range. It is driven by a new 10" (250mm) midrange driver with an aluminum demodulating ring for improved high-mid clarity and reduced distortion when driven hard. The 70 x 40 deg. HF section of the H3H+ features a neodymium 1" (25mm) exit compression driver with a Kapton diaphragm for high sensitivity and extended HF performance. The internal mid/high passive crossover allows this three-way system to be driven in a bi-amp configuration.
The H3H+ is configured in a horizontally formatted, trapezoidal birch ply cabinet and fitted with twelve M10 inserts to facilitate ease of mounting. The enclosure has generous pocket handles on the ends and rear castors are fitted as standard. A Martin Audio M3+ or DX1.5 Electronic Controller is available to provide H3H+ crossover and limiter facilities.