)
Suggested by Philips in a 1968 documentation this circuit has very high 10 ohm on-load voltage gain with 20 mA current. The transistors are of the time and a married pair should be worn at the entrance.
)
Suggested by Philips in a 1968 documentation this circuit has very high 10 ohm on-load voltage gain with 20 mA current. The transistors are of the time and a married pair should be worn at the entrance.