Found in American documentation from the 1980s, this circuit operates in the frequency range 0.5 to 20 MHz. The power can be between 5 and 15 V.
We found this circuit in an American 1980s documentation. The transistors can be equivalent as BC548...
Figure 1 shows a hal-wave voltage doubler operating with the Power-supply voltage. Output current...
This preamplifier circuit for turntable cartridges was found in the March 1994 issue of...