NOTE:

REPLACE BIAS RESISTORS (12K 1WATT...WITH 18K   , ADJUST FOR 1amp bias) FOR ABOUT >1AMPS BIAS

ADJUST OFFSET TRIMMER  (INPUT SHORT WITH GND) FOR OUTPUT ABOUT 0VDC ON 8OHM LOAD.

TRANSFORMER FOR A STEREO VERSION  : 300VA  , 18-0-18 VAC CENTER TAP

AN C-R-C FILTER IS GOOD FOR A TOTAL (MIN. FOR ACCETTABLE RIPPLE). 40000uf FOR RAIL

POWER OUT =26,2 WITH 24+24VDC PSU