Apogee APL-220 Manual 

25, (3) Speaker Placement and Polarity when the APL-220, -500, and -800 are used with Subwoofers The optimum polarity for a subwoofer used with the APL-220, -500, and -800 is a function of its placement in relation to the full-range speaker that it is used with. That is the phase relationshi…

3, Table of Contents Precautions & Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 The Concept of Integration. . . . . . . . . . . . . . . . . . . . . . . . . . . 7 AC Power Re…

43, LIMITED WARRANTY Apogee Sound International's self-amplified speaker products are warranted to be free from defects in materials and workmanship, under normal use and service, when installed and operated in accordance with product specifications, from the date of original purchase…

17, (2) Ambient Temperature The APL-220, -500, and -800 are designed to be used in ambient tempera- tures ranging from 32°F - 113°F (0°C - 45°C). Higher or lower temperatures could cause system shutdown or result in early component failure. When used outdoors on a hot day, take precautions to …

33, Apogee APL-220 33 force that would otherwise be placed on the driver as the fasteners are loos- ened, if the enclosure were upright. To remove the driver after the eight Allen-drive fasteners have been taken out, use a small, flat bladed screwdriv- er to pry the driver upwards from the special access slot locate…

18, Signal Processing Here’s a hypothetical example of what to look out for. An APL-500 might be set up outdoors in 85°F (29°C) temperature with sunlight shining partially on the rear panel. Let’s assume it is tested during a 30-minute sound check and all is well. Later that day,…