2 V1=l1jOL,+ 10-M 1:a L +jaL? =JOL, 0M Z+JOL L 0+L,L JoL Zte L jOLIZL-OLL2+O'l,Lr jOLZL ZL+jaL L tya J If the amplifier internal impedance is If a100 4000Q2 and the speaker impedance is 8 Q2, L Z=20k then we desire that 8 4000 →a =22.4 2242 2 2 1 1 1 1 Z j L I M V I j L L    + = + • • • 2 2 2 1 1 1 Z j L M j L I V Z L i n    + = = + • • 2 1 2 2 1 2 2 1 Z j L j L Z L L L L L L     + − + = 2 1 2 1 2 1 a Z L L j L Z Z Z j L j L Z L L L L L = + = + =    1 • I − + • V 1 2 a ZL If a=100 ZL=20k Zin=2 If the amplifier internal impedance is 4000Ω and the speaker impedance is 8 Ω, then we desire that 22.4 8 1 4000 2 2 = = → a = a a ZL 22.4 2 1 = N N 2 1 2 2 1 Z j L L L j L L    + = +