This transistor class B 5 W amplifier was found in a 1969 Mullard documentation. The transistors are from that time, and modern equivalents may eventually be used.
August 2017 - STMicroelectronics' BlueCoin development environment is available at Mouser...
This amplifier was obtained from the CA3140 datasheet, an operational amplifier with JFET at the...
September 2017 - Vishay Siliconix SQ MOSFETs for automotive use are in stock for immediate...