234567891002345678910002345678910k2-40 -35 -30 -25 -20 -15 -10 -5 0 5 10
SPL Horizontal-60°-50°-40°-30°-20°-10°ON10°20°30°40°50°60°SPL Horizontal for Polk Audio XT15 measured by ErinsAudioCornerFrequency (Hz)SPL (dB)