 There is also continuing debate about the proper use of negative feedback in amplifier design . Controversies There is substantial controversy on   the subject of audiophile components;
<meaning-changed>  There is also continuing debate about the proper use of negative feedback in amplifier design . Controversies There is substantial controversy on   the subject of audiophile components;
 There is also continuing debate about the proper use of negative feedback in amplifier design . Controversies There is substantial controversy on The drivers that produce the sound are referred to as tweeters, midranges, and woofers. Driver designs include dynamic, electrostatic, plasma, ribbon, planar, ionic, and servo-actuated. Drivers are made from a variety of materials including paper pulp, polypropylene, kevlar, aluminum, magnesium, beryllium, and vapor-deposited diamond. the subject of audiophile components;