:

 R6  R7 -2,  -0.125.  L1    R7  0.6  5-8 .

:

1  ,      ;

2  ;

4, 5, 6 - ,    5, 6        0,47uF.

3, 7, 8 -       50V  LM1875  25V  TDA2050, TDA2030 (..    ).  7, 8     1000uF        .

  LM1875  ,    , TDA2050, TDA2030.

    :

-           ,     ;

-          .

      :

-         LM1875    25V;

-         TDA2050 18V;

-         TDA2030 14V.

 20W (LM1875), 24W (TDA2050), 12W (TDA2030)      ,             .