Vintage Altec Lansing 811B Sectoral Horn Midrange Or High Frequency Horn For 2-3 Way Speakers

Here we have an Altec Lansing 811B midrange or high frequency horn for use in 2 or 3 way speaker systems. The lowest recommended frequency crossover is 800HZ. The distribution pattern is 90° H x 40° V. It is made of lightweight aluminum (just about 9lbs), and features a front mounting flange for easy installation. The dimensions are: 8 5/8" H, 18 3/4" W, 13.5" D.