Designers can convenience an anechoic chamber to ensure the speaker can be measured independently of capacity Wireless Speakers effects, or any of infrequent electronic techniques which can, to some extent, replace such chambers. Some developers eschew anechoic chambers in favor of specific standardized opening setups intended to simulate real-life listening conditions. A few of the issues speaker and driver designers must confront are distortion, lobing, phase effects, off axis response and crossover complications.
The main cone in a whizzer design is manufactured so as to flex besides in the outer diameter than in the center
