In this case, a single winding is again used, but it is center tapped (and this is the ground connection), and tapped at 4 ot 8 or 16 ohms away from the center tap.

• 在这种情况下，可以使用单一绕组，但需要有中央抽头（做地），然后从地抽头开始抽头出4/8/16欧姆抽头。