Electro-Voice TL550D Quick Start Manual page 5

FIGURE 3—TL550D One-Third-
Octave Beamwidth vs Frequency
(anechoic environment)
FIGURE 5—TL550D Harmonic
Distortion, 0.1 Rated Power Input
(120 watts), 10 Feet on Axis
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TL550D Low-Frequency Speaker System
FREQUENCY IN HERTZ
FIGURE 4—TL550D One-Third-
Octave Directivity vs Frequency
(anechoic environment)
FIGURE 6—TL550D Harmonic
Distortion, 0.01 Rated Power Input
(12 watts), 10 Feet on Axis