BTL,actually not that "B"???

[Leolabs]

Usually BTL consists of 2 amplifiers with equal closed-loop gain but opposite phase,ie a non-inverting and an inverting.By studying the circuits,notice that the open-loop gain of both are not the same.Does it mean anything???

 

[CBS240]

Huh ..... To what amp or topology are you referring to??😕

 

[longthrow]

a thread on bridge amp comparison..the other channel is not the exact opposite..

http://www.diyaudio.com/forums/showthread.php?postid=1298721#post1298721