This circuit uses an amplifier from National Semiconductor, uncommon nowadays. The numbers in parentheses are for the second channel. The circuit is suitable for old tape recorders.
This circuit uses old components, some of which can still be found easily. The circuit is from an...
In short wave receivers or in the recovery of signals from scratched discs this circuit can be...
The operating voltage of this circuit is 18 V, and the source current is 3.5 A. The circuit is...