Electro-Voice SX Series SX500PI+ Brochure & Specs page 5

Figure 1a—SX500PI+ Axial Frequency
Response, (anechoic environment, 4
volts/3.05 meters (10 feet), normalized to
1 watt/1 meter) (open ports)
Figure 1b—Sx500PI+ Axial Frequency
Response, (anechoic environment, 4
volts/3.05 meters (10 feet), normalized to
1 watt/1 meter) (closed ports)
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