RCF HF101 One-Inch Throat Constant Directivity Horn

The HF101 is a cast aluminium constant-directivity horn for 1-inch exit compression drivers. It holds a 90 by 70 degree pattern and loads down to a 1000 Hz cut-off, which sets the lowest crossover point you can use with it without the pattern falling apart.

The mouth measures 180 mm square and 106 mm deep, the baffle cut-out is 150 by 150 mm, and it bolts on through four 8 mm holes on a 76 mm interaxis. At 0.35 lbs it adds nothing meaningful to a cabinet. Use it when you are building or reconing a two-way box and need a horn whose coverage is specified rather than assumed.