This circuit of a few watts of output is from a publication of 1971. We can assemble it with modern transistors such as BC548 for the BC558 preamplifier for drivers and the pair BD135 and BD136 for output transistors. The speaker is 8 ohms.
This circuit of a few watts of output is from a publication of 1971. We can assemble it with modern transistors such as BC548 for the BC558 preamplifier for drivers and the pair BD135 and BD136 for output transistors. The speaker is 8 ohms.