This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with modern equivalents. Output transistors may be BD135 and 136 with heatsinks.
May 6, 2015 - Mouser Electronics, Inc., the global authorized distributor with the newest...
This circuit is from a National Semiconductor manual, appearing elsewhere on this site. The...
August 2016 - It can be obtained from Mouser Electronics the new operational amplifiers series...